🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.88 AU - 1.32 AU

Year: 432 Days

Day: 37.4 Hours

Environment

Temp: 1 °C

Axial Tilt: 13.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.88 AU - 1.44 AU

Year: 468 Days

Day: 12.5 Hours

Environment

Temp: 1 °C

Axial Tilt: 18.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.58 AU - 2.24 AU

Year: 989 Days

Day: 17 Hours

Environment

Temp: -77 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.66 AU - 3.3 AU

Year: 1928 Days

Day: 43.7 Hours

Environment

Temp: -102 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,544,834 km

• M1: 50,564 km (0.079 R)

Asteroid Belt

Center: 4.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.6

Radius: 15

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 6.57 AU - 7.37 AU

Year: 6896 Days

Day: 6.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 53,544,834 km

• M1: 295,755 km (0.053 R)
• M2: 425,307 km (0.059 R)
• M3: 532,868 km (0.051 R)
• M4: 754,272 km (0.098 R)
• M5: 1,184,067 km (0.116 R)
• M6: 1,331,720 km (0.09 R)
• M7: 1,626,278 km (0.111 R)
• M8: 1,729,351 km (0.102 R)
• M9: 2,052,483 km (0.111 R)
• M10: 2,232,898 km (0.084 R)
• M11: 2,466,270 km (0.093 R)
• M12: 2,806,606 km (0.073 R)
• M13: 4,087,163 km (0.117 R)
• M14: 4,818,398 km (0.09 R)
• M15: 5,000,010 km (0.049 R)
• M16: 5,276,766 km (0.087 R)
• M17: 5,621,888 km (0.079 R)
• M18: 5,910,013 km (0.114 R)
• M19: 6,202,926 km (0.1 R)
• M20: 6,400,844 km (0.046 R)
• M21: 6,567,496 km (0.095 R)
• M22: 7,213,759 km (0.093 R)
• M23: 7,422,149 km (0.07 R)
• M24: 7,703,094 km (0.045 R)
• M25: 7,880,517 km (0.034 R)
• M26: 8,059,286 km (0.105 R)
• M27: 9,047,978 km (0.088 R)
• M28: 9,160,326 km (0.116 R)
• M29: 9,766,796 km (0.108 R)
• M30: 9,959,029 km (0.06 R)
• M31: 10,113,863 km (0.072 R)
• M32: 10,269,295 km (0.034 R)
• M33: 10,939,195 km (0.113 R)
• M34: 11,827,058 km (0.102 R)
• M35: 11,950,028 km (0.095 R)
• M36: 13,117,489 km (0.12 R)
• M37: 13,244,797 km (0.068 R)
• M38: 14,627,680 km (0.096 R)
• M39: 15,515,394 km (0.115 R)
• M40: 16,056,339 km (0.074 R)
• M41: 16,329,206 km (0.041 R)
• M42: 16,511,865 km (0.093 R)
• M43: 17,017,955 km (0.089 R)
• M44: 17,342,732 km (0.091 R)
• M45: 17,575,955 km (0.116 R)
• M46: 17,669,453 km (0.07 R)
• M47: 18,901,093 km (0.063 R)
• M48: 19,624,249 km (0.103 R)
• M49: 20,701,204 km (0.061 R)
• M50: 20,800,088 km (0.109 R)
• M51: 21,696,927 km (0.095 R)
• M52: 21,847,722 km (0.113 R)
• M53: 22,049,230 km (0.066 R)
• M54: 22,251,337 km (0.09 R)
• M55: 22,555,619 km (0.101 R)
• M56: 22,708,358 km (0.103 R)
• M57: 23,219,834 km (0.115 R)
• M58: 23,838,570 km (0.077 R)
• M59: 25,674,286 km (0.112 R)
• M60: 26,474,934 km (0.118 R)
• M61: 26,959,182 km (0.108 R)
• M62: 27,229,505 km (0.111 R)
• M63: 28,210,269 km (0.091 R)
• M64: 28,319,924 km (0.085 R)
• M65: 29,369,054 km (0.119 R)
• M66: 31,505,162 km (0.077 R)
• M67: 32,419,504 km (0.039 R)
• M68: 33,342,673 km (0.047 R)
• M69: 34,978,825 km (0.049 R)
• M70: 36,103,950 km (0.114 R)
• M71: 36,402,099 km (0.092 R)
• M72: 38,329,069 km (0.096 R)
• M73: 38,938,082 km (0.106 R)
• M74: 40,846,203 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.6

Radius: 13.1

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.81 AU - 9.87 AU

Year: 9026 Days

Day: 11 Hours

Environment

Temp: -169 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 53,544,834 km

• M1: 177,872 km (0.117 R)
• M2: 265,387 km (0.08 R)
• M3: 1,524,552 km (0.093 R)
• M4: 1,647,671 km (0.087 R)
• M5: 1,774,231 km (0.114 R)
• M6: 1,970,503 km (0.119 R)
• M7: 2,128,329 km (0.094 R)
• M8: 2,505,166 km (0.115 R)
• M9: 2,877,814 km (0.03 R)
• M10: 3,375,526 km (0.065 R)
• M11: 3,538,438 km (0.09 R)
• M12: 3,676,068 km (0.087 R)
• M13: 3,759,694 km (0.118 R)
• M14: 4,274,460 km (0.109 R)
• M15: 4,421,365 km (0.034 R)
• M16: 4,872,552 km (0.072 R)
• M17: 5,244,303 km (0.063 R)
• M18: 5,851,820 km (0.065 R)
• M19: 7,063,712 km (0.072 R)
• M20: 7,950,080 km (0.096 R)
• M21: 8,241,197 km (0.036 R)
• M22: 8,684,456 km (0.112 R)
• M23: 9,097,645 km (0.025 R)
• M24: 9,287,634 km (0.114 R)
• M25: 9,440,523 km (0.104 R)
• M26: 10,454,946 km (0.049 R)
• M27: 10,694,004 km (0.106 R)
• M28: 11,136,963 km (0.057 R)
• M29: 12,840,584 km (0.057 R)
• M30: 12,925,705 km (0.119 R)
• M31: 13,700,771 km (0.075 R)
• M32: 13,918,885 km (0.095 R)
• M33: 16,762,890 km (0.087 R)
• M34: 18,514,382 km (0.068 R)
• M35: 18,755,534 km (0.061 R)
• M36: 18,900,644 km (0.071 R)
• M37: 19,240,979 km (0.087 R)
• M38: 21,173,484 km (0.101 R)
• M39: 21,729,689 km (0.099 R)
• M40: 21,882,279 km (0.081 R)
• M41: 22,188,356 km (0.079 R)
• M42: 22,290,681 km (0.085 R)
• M43: 22,753,387 km (0.094 R)
• M44: 22,908,221 km (0.102 R)
• M45: 23,270,996 km (0.057 R)
• M46: 23,897,512 km (0.081 R)
• M47: 24,107,547 km (0.109 R)
• M48: 25,113,593 km (0.093 R)
• M49: 25,327,069 km (0.079 R)
• M50: 25,541,293 km (0.071 R)
• M51: 26,512,483 km (0.112 R)
• M52: 26,893,359 km (0.092 R)
• M53: 27,660,796 km (0.029 R)
• M54: 27,936,505 km (0.08 R)
• M55: 28,937,015 km (0.07 R)
• M56: 30,232,383 km (0.113 R)
• M57: 31,431,709 km (0.073 R)
• M58: 31,719,536 km (0.084 R)
• M59: 32,008,260 km (0.111 R)
• M60: 32,704,787 km (0.071 R)
• M61: 33,113,339 km (0.072 R)
• M62: 33,230,474 km (0.103 R)
• M63: 34,943,071 km (0.094 R)
• M64: 35,900,347 km (0.094 R)
• M65: 36,502,928 km (0.061 R)
• M66: 36,926,888 km (0.096 R)
• M67: 37,108,949 km (0.112 R)
• M68: 37,413,231 km (0.102 R)
• M69: 37,779,446 km (0.066 R)
• M70: 37,901,817 km (0.118 R)
• M71: 38,146,859 km (0.05 R)
• M72: 38,269,529 km (0.049 R)
• M73: 38,700,072 km (0.107 R)
• M74: 39,194,193 km (0.046 R)
• M75: 39,318,060 km (0.08 R)
• M76: 40,188,570 km (0.059 R)
• M77: 40,814,338 km (0.103 R)
• M78: 41,002,682 km (0.086 R)
• M79: 41,191,325 km (0.039 R)
• M80: 41,380,267 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.7

Radius: 7.4

Gravity: 13.49 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 11.94 AU - 13.38 AU

Year: 16880 Days

Day: 24.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 53,544,834 km

• M1: 116,686 km (0.096 R)
• M2: 195,225 km (0.099 R)
• M3: 260,151 km (0.1 R)
• M4: 528,380 km (0.098 R)
• M5: 1,064,090 km (0.066 R)
• M6: 1,326,036 km (0.041 R)
• M7: 1,608,028 km (0.116 R)
• M8: 1,847,235 km (0.104 R)
• M9: 2,665,684 km (0.105 R)
• M10: 2,735,547 km (0.066 R)
• M11: 2,877,216 km (0.049 R)
• M12: 3,467,679 km (0.084 R)
• M13: 3,698,658 km (0.037 R)
• M14: 4,094,643 km (0.081 R)
• M15: 4,175,576 km (0.056 R)
• M16: 4,338,937 km (0.06 R)
• M17: 4,970,090 km (0.116 R)
• M18: 5,318,354 km (0.086 R)
• M19: 5,495,627 km (0.11 R)
• M20: 6,410,269 km (0.112 R)
• M21: 6,693,906 km (0.107 R)
• M22: 7,126,992 km (0.112 R)
• M23: 7,519,537 km (0.1 R)
• M24: 9,212,087 km (0.073 R)
• M25: 9,371,708 km (0.102 R)
• M26: 9,964,415 km (0.113 R)
• M27: 10,624,890 km (0.054 R)
• M28: 11,186,181 km (0.101 R)
• M29: 11,814,492 km (0.105 R)
• M30: 12,103,964 km (0.058 R)
• M31: 13,707,055 km (0.079 R)
• M32: 14,687,968 km (0.079 R)
• M33: 14,812,284 km (0.065 R)
• M34: 14,999,281 km (0.056 R)
• M35: 15,501,631 km (0.087 R)
• M36: 17,434,585 km (0.084 R)
• M37: 17,566,231 km (0.115 R)
• M38: 17,632,054 km (0.117 R)
• M39: 17,962,815 km (0.104 R)
• M40: 18,029,236 km (0.109 R)
• M41: 18,496,281 km (0.114 R)
• M42: 19,852,535 km (0.027 R)
• M43: 20,403,953 km (0.111 R)
• M44: 21,451,437 km (0.107 R)
• M45: 22,516,275 km (0.111 R)
• M46: 23,525,612 km (0.112 R)
• M47: 24,109,043 km (0.118 R)
• M48: 24,844,915 km (0.054 R)
• M49: 25,438,968 km (0.114 R)
• M50: 25,737,865 km (0.062 R)
• M51: 27,172,808 km (0.083 R)
• M52: 27,861,706 km (0.096 R)
• M53: 29,100,376 km (0.062 R)
• M54: 29,647,904 km (0.091 R)
• M55: 30,198,873 km (0.115 R)
• M56: 31,071,478 km (0.055 R)
• M57: 33,085,364 km (0.112 R)
• M58: 33,329,957 km (0.05 R)
• M59: 34,313,862 km (0.062 R)
• M60: 35,058,111 km (0.109 R)
• M61: 37,322,574 km (0.055 R)
• M62: 41,112,786 km (0.063 R)
• M63: 41,200,450 km (0.106 R)
• M64: 41,551,257 km (0.061 R)
• M65: 44,393,617 km (0.117 R)
• M66: 44,843,308 km (0.112 R)
• M67: 45,385,002 km (0.105 R)
• M68: 49,702,696 km (0.064 R)
• M69: 50,450,685 km (0.118 R)
• M70: 51,579,401 km (0.052 R)
• M71: 51,863,039 km (0.096 R)
• M72: 51,957,584 km (0.073 R)
• M73: 53,574,887 km (0.116 R)
• M74: 53,670,480 km (0.074 R)
• M75: 53,766,223 km (0.028 R)
• M76: 55,305,136 km (0.07 R)
• M77: 56,761,172 km (0.092 R)
• M78: 56,858,560 km (0.087 R)
• M79: 58,327,911 km (0.095 R)
• M80: 59,710,494 km (0.117 R)
• M81: 60,207,009 km (0.103 R)
• M82: 60,704,722 km (0.097 R)
• M83: 61,904,945 km (0.031 R)
• M84: 62,306,765 km (0.109 R)
• M85: 62,911,141 km (0.063 R)
• M86: 66,269,613 km (0.085 R)
• M87: 67,608,663 km (0.071 R)
• M88: 68,644,629 km (0.078 R)
• M89: 68,852,570 km (0.073 R)
• M90: 69,060,511 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122

Radius: 5

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 16.83 AU - 18.63 AU

Year: 27976 Days

Day: 16.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 53,544,834 km

• M1: 81,082 km (0.117 R)
• M2: 170,392 km (0.101 R)
• M3: 202,256 km (0.084 R)
• M4: 382,821 km (0.119 R)
• M5: 522,545 km (0.107 R)
• M6: 642,224 km (0.111 R)
• M7: 696,378 km (0.045 R)
• M8: 770,878 km (0.092 R)
• M9: 848,220 km (0.073 R)
• M10: 887,863 km (0.114 R)
• M11: 1,249,741 km (0.117 R)
• M12: 1,295,069 km (0.112 R)
• M13: 1,728,155 km (0.109 R)
• M14: 1,804,450 km (0.045 R)
• M15: 1,881,941 km (0.119 R)
• M16: 1,960,480 km (0.117 R)
• M17: 2,230,055 km (0.077 R)
• M18: 3,294,295 km (0.084 R)
• M19: 3,325,860 km (0.104 R)
• M20: 3,679,360 km (0.114 R)
• M21: 3,943,998 km (0.078 R)
• M22: 4,249,028 km (0.098 R)
• M23: 4,317,843 km (0.096 R)
• M24: 4,561,688 km (0.105 R)
• M25: 5,135,695 km (0.101 R)
• M26: 5,923,178 km (0.072 R)
• M27: 6,350,430 km (0.115 R)
• M28: 7,070,893 km (0.101 R)
• M29: 7,775,050 km (0.099 R)
• M30: 8,114,039 km (0.103 R)
• M31: 8,501,049 km (0.073 R)
• M32: 8,718,714 km (0.055 R)
• M33: 8,762,546 km (0.043 R)
• M34: 8,982,455 km (0.117 R)
• M35: 9,382,778 km (0.072 R)
• M36: 10,017,073 km (0.109 R)
• M37: 10,758,929 km (0.119 R)
• M38: 11,279,081 km (0.092 R)
• M39: 11,470,267 km (0.072 R)
• M40: 11,759,141 km (0.116 R)
• M41: 11,807,461 km (0.072 R)
• M42: 11,953,019 km (0.095 R)
• M43: 14,154,352 km (0.042 R)
• M44: 15,778,387 km (0.097 R)
• M45: 16,314,695 km (0.078 R)
• M46: 17,075,550 km (0.115 R)
• M47: 17,848,073 km (0.119 R)
• M48: 18,126,624 km (0.103 R)
• M49: 18,971,104 km (0.082 R)
• M50: 19,255,490 km (0.114 R)
• M51: 19,713,409 km (0.081 R)
• M52: 20,059,130 km (0.108 R)
• M53: 20,406,945 km (0.099 R)
• M54: 20,932,332 km (0.112 R)
• M55: 22,175,491 km (0.112 R)
• M56: 22,414,847 km (0.12 R)
• M57: 23,686,280 km (0.103 R)
• M58: 24,176,661 km (0.086 R)
• M59: 24,980,900 km (0.064 R)
• M60: 25,292,512 km (0.095 R)
• M61: 25,730,834 km (0.068 R)
• M62: 25,793,665 km (0.072 R)
• M63: 25,982,457 km (0.09 R)
• M64: 26,045,588 km (0.117 R)
• M65: 26,551,677 km (0.084 R)
• M66: 28,283,871 km (0.074 R)
• M67: 28,543,573 km (0.085 R)
• M68: 29,787,928 km (0.104 R)
• M69: 31,250,846 km (0.118 R)
• M70: 32,126,143 km (0.072 R)
• M71: 32,941,302 km (0.067 R)
• M72: 34,800,205 km (0.05 R)
• M73: 36,410,327 km (0.09 R)
• M74: 37,473,369 km (0.074 R)
• M75: 38,762,603 km (0.111 R)
• M76: 38,978,922 km (0.104 R)
• M77: 40,284,911 km (0.11 R)
• M78: 40,357,915 km (0.114 R)
• M79: 41,900,568 km (0.119 R)
• M80: 43,762,015 km (0.088 R)
• M81: 46,107,560 km (0.082 R)
• M82: 46,336,744 km (0.07 R)
• M83: 48,416,004 km (0.102 R)
• M84: 48,959,942 km (0.097 R)
• M85: 49,193,764 km (0.06 R)
• M86: 50,682,861 km (0.094 R)
• M87: 51,235,326 km (0.118 R)
• M88: 52,345,941 km (0.1 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 14,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit