🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.78 AU - 0.86 AU

Year: 273 Days

Day: 18.6 Hours

Environment

Temp: 101 °C

Axial Tilt: 12.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 90,255,042 km

• M1: 329,564 km (0.048 R)
• M2: 560,992 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.28 AU - 1.76 AU

Year: 688 Days

Day: 34.9 Hours

Environment

Temp: -38 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,255,042 km

• M1: 1,162,974 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.65 AU - 2.15 AU

Year: 961 Days

Day: 35.9 Hours

Environment

Temp: -71 °C

Axial Tilt: 3.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.3

Radius: 12.2

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 7.43 AU - 10.01 AU

Year: 9453 Days

Day: 12.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 90,255,042 km

• M1: 155,432 km (0.115 R)
• M2: 235,617 km (0.117 R)
• M3: 388,805 km (0.106 R)
• M4: 614,847 km (0.113 R)
• M5: 715,377 km (0.069 R)
• M6: 1,251,536 km (0.108 R)
• M7: 1,561,203 km (0.07 R)
• M8: 1,895,255 km (0.042 R)
• M9: 3,447,932 km (0.108 R)
• M10: 3,582,420 km (0.068 R)
• M11: 3,829,107 km (0.117 R)
• M12: 3,968,532 km (0.102 R)
• M13: 4,081,329 km (0.108 R)
• M14: 4,750,780 km (0.072 R)
• M15: 4,931,195 km (0.106 R)
• M16: 5,113,854 km (0.086 R)
• M17: 5,548,735 km (0.078 R)
• M18: 5,963,420 km (0.102 R)
• M19: 6,721,582 km (0.106 R)
• M20: 6,856,669 km (0.099 R)
• M21: 7,897,720 km (0.079 R)
• M22: 8,839,738 km (0.076 R)
• M23: 9,361,685 km (0.071 R)
• M24: 9,931,952 km (0.052 R)
• M25: 10,008,995 km (0.088 R)
• M26: 10,318,513 km (0.119 R)
• M27: 10,710,011 km (0.027 R)
• M28: 11,791,454 km (0.055 R)
• M29: 12,407,199 km (0.071 R)
• M30: 12,531,664 km (0.113 R)
• M31: 13,202,311 km (0.106 R)
• M32: 14,709,659 km (0.098 R)
• M33: 15,685,038 km (0.07 R)
• M34: 15,774,647 km (0.076 R)
• M35: 16,407,446 km (0.118 R)
• M36: 17,325,677 km (0.086 R)
• M37: 17,697,578 km (0.056 R)
• M38: 17,837,751 km (0.082 R)
• M39: 17,978,373 km (0.1 R)
• M40: 18,119,294 km (0.092 R)
• M41: 18,260,514 km (0.11 R)
• M42: 18,924,729 km (0.049 R)
• M43: 20,228,026 km (0.115 R)
• M44: 20,668,891 km (0.032 R)
• M45: 20,767,326 km (0.084 R)
• M46: 21,410,746 km (0.103 R)
• M47: 22,514,629 km (0.04 R)
• M48: 23,073,377 km (0.104 R)
• M49: 23,946,131 km (0.102 R)
• M50: 25,196,470 km (0.037 R)
• M51: 25,301,637 km (0.043 R)
• M52: 25,406,954 km (0.054 R)
• M53: 25,776,611 km (0.071 R)
• M54: 26,041,848 km (0.073 R)
• M55: 26,148,062 km (0.09 R)
• M56: 27,057,767 km (0.088 R)
• M57: 27,868,887 km (0.115 R)
• M58: 28,141,155 km (0.114 R)
• M59: 29,459,860 km (0.076 R)
• M60: 29,626,063 km (0.113 R)
• M61: 31,023,756 km (0.057 R)
• M62: 31,815,727 km (0.056 R)
• M63: 32,385,545 km (0.068 R)
• M64: 32,671,876 km (0.083 R)
• M65: 33,189,036 km (0.065 R)
• M66: 33,651,143 km (0.112 R)
• M67: 34,698,478 km (0.062 R)
• M68: 35,461,577 km (0.059 R)
• M69: 35,815,675 km (0.089 R)
• M70: 38,872,558 km (0.038 R)
• M71: 40,093,875 km (0.101 R)
• M72: 40,278,180 km (0.107 R)
• M73: 40,401,299 km (0.037 R)
• M74: 40,832,888 km (0.103 R)
• M75: 41,514,157 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.7

Radius: 5.9

Gravity: 18.75 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 11.95 AU - 18.57 AU

Year: 21883 Days

Day: 20.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 90,255,042 km

• M1: 110,254 km (0.088 R)
• M2: 332,556 km (0.079 R)
• M3: 961,466 km (0.044 R)
• M4: 1,270,086 km (0.053 R)
• M5: 1,389,615 km (0.084 R)
• M6: 2,510,103 km (0.044 R)
• M7: 2,737,342 km (0.096 R)
• M8: 2,931,669 km (0.115 R)
• M9: 3,211,417 km (0.109 R)
• M10: 5,838,356 km (0.047 R)
• M11: 6,291,338 km (0.097 R)
• M12: 6,755,690 km (0.084 R)
• M13: 7,177,706 km (0.074 R)
• M14: 7,230,963 km (0.092 R)
• M15: 7,445,785 km (0.1 R)
• M16: 7,499,790 km (0.095 R)
• M17: 8,269,471 km (0.12 R)
• M18: 8,607,113 km (0.094 R)
• M19: 8,891,798 km (0.117 R)
• M20: 10,542,910 km (0.083 R)
• M21: 10,664,383 km (0.097 R)
• M22: 11,216,848 km (0.104 R)
• M23: 11,465,480 km (0.092 R)
• M24: 11,527,862 km (0.111 R)
• M25: 11,590,394 km (0.073 R)
• M26: 11,904,699 km (0.107 R)
• M27: 12,285,725 km (0.117 R)
• M28: 12,799,893 km (0.03 R)
• M29: 13,255,568 km (0.1 R)
• M30: 13,518,262 km (0.095 R)
• M31: 15,889,837 km (0.12 R)
• M32: 16,520,093 km (0.073 R)
• M33: 17,301,443 km (0.096 R)
• M34: 17,949,800 km (0.098 R)
• M35: 18,605,936 km (0.098 R)
• M36: 18,826,443 km (0.06 R)
• M37: 19,567,551 km (0.085 R)
• M38: 20,242,836 km (0.112 R)
• M39: 21,231,528 km (0.094 R)
• M40: 21,385,016 km (0.079 R)
• M41: 23,651,872 km (0.098 R)
• M42: 24,050,401 km (0.094 R)
• M43: 24,130,436 km (0.052 R)
• M44: 24,210,471 km (0.099 R)
• M45: 24,773,258 km (0.034 R)
• M46: 27,067,491 km (0.109 R)
• M47: 31,155,253 km (0.111 R)
• M48: 31,767,257 km (0.11 R)
• M49: 32,295,039 km (0.119 R)
• M50: 35,795,180 km (0.1 R)
• M51: 36,252,650 km (0.104 R)
• M52: 36,988,373 km (0.101 R)
• M53: 37,636,281 km (0.035 R)
• M54: 37,822,082 km (0.108 R)
• M55: 38,381,279 km (0.066 R)
• M56: 39,791,388 km (0.076 R)
• M57: 39,980,629 km (0.065 R)
• M58: 42,275,311 km (0.081 R)
• M59: 43,535,972 km (0.074 R)
• M60: 43,828,586 km (0.103 R)
• M61: 44,612,329 km (0.101 R)
• M62: 46,094,096 km (0.064 R)
• M63: 46,990,935 km (0.117 R)
• M64: 47,291,178 km (0.103 R)
• M65: 49,207,228 km (0.113 R)
• M66: 49,919,613 km (0.103 R)
• M67: 50,328,164 km (0.112 R)
• M68: 53,427,683 km (0.041 R)
• M69: 53,532,102 km (0.117 R)
• M70: 55,422,421 km (0.079 R)
• M71: 55,633,803 km (0.064 R)
• M72: 56,801,264 km (0.067 R)
• M73: 57,548,356 km (0.108 R)
• M74: 59,268,283 km (0.094 R)
• M75: 60,134,454 km (0.107 R)
• M76: 60,678,093 km (0.053 R)
• M77: 60,895,908 km (0.079 R)
• M78: 63,088,863 km (0.085 R)
• M79: 63,420,073 km (0.053 R)
• M80: 63,641,178 km (0.101 R)
• M81: 64,639,295 km (0.108 R)
• M82: 65,419,298 km (0.112 R)
• M83: 66,090,245 km (0.058 R)
• M84: 66,763,435 km (0.096 R)
• M85: 68,116,847 km (0.093 R)
• M86: 69,137,703 km (0.11 R)
• M87: 69,593,079 km (0.075 R)
• M88: 72,000,109 km (0.074 R)
• M89: 72,115,449 km (0.101 R)
• M90: 74,784,125 km (0.085 R)
• M91: 76,071,864 km (0.032 R)
• M92: 76,189,298 km (0.118 R)
• M93: 78,669,331 km (0.078 R)
• M94: 79,501,844 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.2

Radius: 6.4

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 15.37 AU - 15.61 AU

Year: 22379 Days

Day: 18.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 90,255,042 km

• M1: 365,468 km (0.115 R)
• M2: 507,137 km (0.045 R)
• M3: 564,882 km (0.097 R)
• M4: 708,944 km (0.066 R)
• M5: 888,163 km (0.114 R)
• M6: 983,307 km (0.032 R)
• M7: 1,157,888 km (0.106 R)
• M8: 1,209,648 km (0.097 R)
• M9: 1,890,169 km (0.055 R)
• M10: 1,982,471 km (0.081 R)
• M11: 2,203,726 km (0.117 R)
• M12: 2,949,771 km (0.111 R)
• M13: 3,057,182 km (0.108 R)
• M14: 3,499,693 km (0.06 R)
• M15: 4,080,880 km (0.042 R)
• M16: 5,029,032 km (0.042 R)
• M17: 5,200,770 km (0.086 R)
• M18: 5,505,800 km (0.096 R)
• M19: 5,682,625 km (0.106 R)
• M20: 6,501,972 km (0.111 R)
• M21: 7,848,054 km (0.037 R)
• M22: 8,654,835 km (0.105 R)
• M23: 9,277,013 km (0.114 R)
• M24: 9,382,180 km (0.05 R)
• M25: 10,183,127 km (0.093 R)
• M26: 10,400,343 km (0.118 R)
• M27: 10,784,361 km (0.075 R)
• M28: 11,117,067 km (0.082 R)
• M29: 11,284,766 km (0.115 R)
• M30: 11,906,644 km (0.106 R)
• M31: 12,192,974 km (0.085 R)
• M32: 12,772,517 km (0.06 R)
• M33: 13,598,895 km (0.098 R)
• M34: 16,688,241 km (0.107 R)
• M35: 16,880,175 km (0.06 R)
• M36: 17,331,063 km (0.059 R)
• M37: 17,590,466 km (0.103 R)
• M38: 17,720,616 km (0.071 R)
• M39: 19,779,232 km (0.116 R)
• M40: 20,459,304 km (0.114 R)
• M41: 21,077,891 km (0.052 R)
• M42: 21,216,120 km (0.115 R)
• M43: 22,899,096 km (0.12 R)
• M44: 23,041,214 km (0.118 R)
• M45: 24,189,228 km (0.059 R)
• M46: 24,334,038 km (0.112 R)
• M47: 25,135,584 km (0.064 R)
• M48: 26,316,809 km (0.068 R)
• M49: 26,689,756 km (0.109 R)
• M50: 27,214,695 km (0.106 R)
• M51: 27,440,737 km (0.102 R)
• M52: 28,274,746 km (0.047 R)
• M53: 28,503,630 km (0.107 R)
• M54: 30,904,975 km (0.075 R)
• M55: 32,568,204 km (0.099 R)
• M56: 32,648,090 km (0.05 R)
• M57: 33,289,865 km (0.079 R)
• M58: 34,667,212 km (0.052 R)
• M59: 36,063,259 km (0.115 R)
• M60: 37,477,558 km (0.094 R)
• M61: 39,675,450 km (0.106 R)
• M62: 40,876,122 km (0.115 R)
• M63: 42,699,421 km (0.074 R)
• M64: 42,874,451 km (0.12 R)
• M65: 43,049,779 km (0.092 R)
• M66: 44,371,776 km (0.096 R)
• M67: 45,796,695 km (0.048 R)
• M68: 46,604,823 km (0.077 R)
• M69: 47,598,751 km (0.106 R)
• M70: 47,961,975 km (0.074 R)
• M71: 49,607,851 km (0.049 R)
• M72: 49,699,704 km (0.099 R)
• M73: 50,160,465 km (0.09 R)
• M74: 51,458,077 km (0.111 R)
• M75: 51,737,526 km (0.066 R)
• M76: 51,830,725 km (0.091 R)
• M77: 54,180,758 km (0.028 R)
• M78: 55,225,700 km (0.07 R)
• M79: 55,702,917 km (0.039 R)
• M80: 58,012,409 km (0.084 R)
• M81: 61,238,487 km (0.077 R)
• M82: 61,337,221 km (0.096 R)
• M83: 61,633,575 km (0.084 R)
• M84: 63,421,419 km (0.119 R)
• M85: 63,921,076 km (0.081 R)
• M86: 64,221,618 km (0.071 R)
• M87: 64,321,848 km (0.105 R)
• M88: 64,723,369 km (0.068 R)
• M89: 64,823,899 km (0.11 R)
• M90: 66,236,402 km (0.102 R)
• M91: 67,659,078 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677.5

Radius: 6.3

Gravity: 17.07 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 15.14 AU - 19.08 AU

Year: 25981 Days

Day: 25 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 90,255,042 km

• M1: 155,283 km (0.113 R)
• M2: 260,899 km (0.095 R)
• M3: 2,005,060 km (0.052 R)
• M4: 2,080,607 km (0.031 R)
• M5: 2,513,095 km (0.099 R)
• M6: 2,718,792 km (0.111 R)
• M7: 3,368,196 km (0.068 R)
• M8: 3,780,189 km (0.061 R)
• M9: 3,826,863 km (0.072 R)
• M10: 3,968,383 km (0.096 R)
• M11: 4,305,128 km (0.111 R)
• M12: 4,501,699 km (0.05 R)
• M13: 4,651,147 km (0.11 R)
• M14: 4,852,805 km (0.119 R)
• M15: 5,741,716 km (0.057 R)
• M16: 6,012,787 km (0.069 R)
• M17: 6,399,049 km (0.074 R)
• M18: 6,679,994 km (0.082 R)
• M19: 6,964,978 km (0.062 R)
• M20: 7,022,423 km (0.054 R)
• M21: 7,312,045 km (0.119 R)
• M22: 9,131,005 km (0.097 R)
• M23: 10,351,275 km (0.112 R)
• M24: 10,416,949 km (0.107 R)
• M25: 11,282,821 km (0.06 R)
• M26: 11,485,975 km (0.105 R)
• M27: 11,622,109 km (0.048 R)
• M28: 11,964,539 km (0.056 R)
• M29: 12,519,547 km (0.064 R)
• M30: 12,659,570 km (0.05 R)
• M31: 13,082,783 km (0.081 R)
• M32: 14,161,234 km (0.037 R)
• M33: 14,821,858 km (0.107 R)
• M34: 16,632,142 km (0.081 R)
• M35: 17,095,596 km (0.064 R)
• M36: 17,251,028 km (0.115 R)
• M37: 17,406,909 km (0.099 R)
• M38: 18,035,070 km (0.116 R)
• M39: 20,456,013 km (0.082 R)
• M40: 20,703,747 km (0.099 R)
• M41: 21,956,928 km (0.113 R)
• M42: 23,838,869 km (0.06 R)
• M43: 25,151,441 km (0.106 R)
• M44: 26,128,914 km (0.106 R)
• M45: 27,028,146 km (0.039 R)
• M46: 28,212,363 km (0.115 R)
• M47: 28,764,529 km (0.063 R)
• M48: 29,134,634 km (0.12 R)
• M49: 29,413,335 km (0.119 R)
• M50: 30,725,308 km (0.074 R)
• M51: 34,185,657 km (0.102 R)
• M52: 34,381,480 km (0.07 R)
• M53: 35,267,249 km (0.11 R)
• M54: 39,294,274 km (0.105 R)
• M55: 39,704,920 km (0.113 R)
• M56: 39,910,767 km (0.065 R)
• M57: 42,303,435 km (0.058 R)
• M58: 45,063,666 km (0.118 R)
• M59: 46,790,923 km (0.105 R)
• M60: 48,429,917 km (0.066 R)
• M61: 48,649,826 km (0.119 R)
• M62: 49,090,691 km (0.09 R)
• M63: 54,027,121 km (0.107 R)
• M64: 54,369,401 km (0.077 R)
• M65: 56,901,495 km (0.088 R)
• M66: 57,482,383 km (0.106 R)
• M67: 57,831,694 km (0.085 R)
• M68: 58,298,739 km (0.086 R)
• M69: 59,707,203 km (0.058 R)
• M70: 63,277,356 km (0.08 R)
• M71: 65,817,229 km (0.104 R)
• M72: 70,123,703 km (0.082 R)
• M73: 70,995,858 km (0.084 R)
• M74: 71,370,751 km (0.049 R)
• M75: 71,621,028 km (0.111 R)
• M76: 72,876,902 km (0.096 R)
• M77: 73,128,974 km (0.028 R)
• M78: 75,665,257 km (0.048 R)
• M79: 77,586,392 km (0.105 R)
• M80: 78,617,571 km (0.099 R)
• M81: 79,912,789 km (0.107 R)
• M82: 81,476,536 km (0.064 R)
• M83: 81,607,284 km (0.112 R)
• M84: 83,840,930 km (0.03 R)
• M85: 85,296,816 km (0.041 R)
• M86: 85,429,659 km (0.103 R)
• M87: 85,961,330 km (0.12 R)
• M88: 86,360,906 km (0.088 R)
• M89: 86,627,639 km (0.07 R)
• M90: 89,040,353 km (0.099 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 13,695 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit