🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.49 AU - 0.71 AU

Year: 175 Days

Day: 44.6 Hours

Environment

Temp: 137 °C

Axial Tilt: 2.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.77 AU - 1.29 AU

Year: 394 Days

Day: 44.3 Hours

Environment

Temp: -0 °C

Axial Tilt: 24.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 30,373,678 km

• M1: 339,138 km (0.083 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.08 AU - 1.5 AU

Year: 552 Days

Day: 39.8 Hours

Environment

Temp: -36 °C

Axial Tilt: 7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.35 AU - 2.87 AU

Year: 1588 Days

Day: 13.7 Hours

Environment

Temp: -95 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.8

Radius: 9

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.13 AU - 5.19 AU

Year: 4416 Days

Day: 10.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 30,373,678 km

• M1: 289,921 km (0.041 R)
• M2: 478,115 km (0.101 R)
• M3: 582,385 km (0.096 R)
• M4: 730,486 km (0.066 R)
• M5: 1,050,476 km (0.107 R)
• M6: 1,147,715 km (0.104 R)
• M7: 1,204,712 km (0.045 R)
• M8: 1,262,756 km (0.106 R)
• M9: 1,489,097 km (0.089 R)
• M10: 1,647,222 km (0.047 R)
• M11: 1,712,148 km (0.12 R)
• M12: 2,226,166 km (0.101 R)
• M13: 2,747,215 km (0.11 R)
• M14: 2,863,752 km (0.077 R)
• M15: 3,367,149 km (0.062 R)
• M16: 3,471,119 km (0.076 R)
• M17: 3,618,473 km (0.1 R)
• M18: 3,854,389 km (0.106 R)
• M19: 4,707,546 km (0.107 R)
• M20: 5,083,784 km (0.098 R)
• M21: 5,348,124 km (0.087 R)
• M22: 6,092,074 km (0.055 R)
• M23: 6,193,651 km (0.075 R)
• M24: 6,270,245 km (0.094 R)
• M25: 6,450,211 km (0.076 R)
• M26: 6,553,883 km (0.114 R)
• M27: 6,631,973 km (0.092 R)
• M28: 7,267,764 km (0.113 R)
• M29: 7,565,763 km (0.041 R)
• M30: 8,257,802 km (0.074 R)
• M31: 8,314,051 km (0.05 R)
• M32: 8,483,546 km (0.056 R)
• M33: 8,597,240 km (0.085 R)
• M34: 10,210,503 km (0.112 R)
• M35: 10,974,201 km (0.108 R)
• M36: 11,098,068 km (0.091 R)
• M37: 11,566,907 km (0.102 R)
• M38: 11,693,018 km (0.116 R)
• M39: 12,426,946 km (0.08 R)
• M40: 13,077,397 km (0.062 R)
• M41: 13,672,049 km (0.078 R)
• M42: 14,039,910 km (0.097 R)
• M43: 14,140,888 km (0.033 R)
• M44: 14,546,747 km (0.099 R)
• M45: 14,648,923 km (0.091 R)
• M46: 14,819,614 km (0.117 R)
• M47: 14,922,388 km (0.107 R)
• M48: 15,025,311 km (0.062 R)
• M49: 15,682,943 km (0.097 R)
• M50: 17,026,182 km (0.106 R)
• M51: 17,711,640 km (0.044 R)
• M52: 18,149,214 km (0.098 R)
• M53: 18,332,621 km (0.081 R)
• M54: 18,923,532 km (0.119 R)
• M55: 19,034,983 km (0.057 R)
• M56: 19,146,732 km (0.095 R)
• M57: 19,558,126 km (0.062 R)
• M58: 19,821,568 km (0.089 R)
• M59: 19,972,513 km (0.081 R)
• M60: 20,048,209 km (0.065 R)
• M61: 20,313,745 km (0.112 R)
• M62: 20,733,517 km (0.104 R)
• M63: 20,810,111 km (0.098 R)
• M64: 21,853,556 km (0.103 R)
• M65: 22,479,922 km (0.115 R)
• M66: 22,676,943 km (0.042 R)
• M67: 23,630,330 km (0.097 R)
• M68: 24,394,326 km (0.088 R)
• M69: 24,840,278 km (0.08 R)
• M70: 24,962,499 km (0.066 R)
• M71: 25,330,061 km (0.097 R)
• M72: 25,452,881 km (0.097 R)
• M73: 25,740,558 km (0.118 R)
• M74: 25,822,836 km (0.096 R)
• M75: 26,029,132 km (0.088 R)
• M76: 26,277,464 km (0.107 R)
• M77: 26,818,111 km (0.111 R)
• M78: 26,943,325 km (0.065 R)
• M79: 27,026,950 km (0.118 R)
• M80: 28,079,670 km (0.111 R)
• M81: 28,504,528 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.6

Radius: 9.5

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.35 AU - 7.93 AU

Year: 6446 Days

Day: 6.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 30,373,678 km

• M1: 121,623 km (0.092 R)
• M2: 244,892 km (0.087 R)
• M3: 330,312 km (0.067 R)
• M4: 417,378 km (0.076 R)
• M5: 660,923 km (0.025 R)
• M6: 1,013,974 km (0.114 R)
• M7: 1,256,024 km (0.057 R)
• M8: 1,440,328 km (0.114 R)
• M9: 1,713,344 km (0.085 R)
• M10: 2,088,685 km (0.087 R)
• M11: 2,241,724 km (0.106 R)
• M12: 2,398,353 km (0.108 R)
• M13: 2,722,681 km (0.028 R)
• M14: 2,914,466 km (0.113 R)
• M15: 3,012,004 km (0.08 R)
• M16: 3,085,905 km (0.088 R)
• M17: 3,185,387 km (0.053 R)
• M18: 3,336,631 km (0.103 R)
• M19: 3,542,029 km (0.108 R)
• M20: 3,857,830 km (0.066 R)
• M21: 3,965,241 km (0.114 R)
• M22: 4,376,785 km (0.095 R)
• M23: 4,488,834 km (0.112 R)
• M24: 5,004,946 km (0.057 R)
• M25: 5,299,804 km (0.076 R)
• M26: 5,419,482 km (0.087 R)
• M27: 5,968,656 km (0.077 R)
• M28: 6,249,900 km (0.092 R)
• M29: 6,663,987 km (0.114 R)
• M30: 6,728,463 km (0.067 R)
• M31: 6,890,628 km (0.091 R)
• M32: 7,585,659 km (0.115 R)
• M33: 7,856,431 km (0.112 R)
• M34: 9,113,652 km (0.092 R)
• M35: 10,023,057 km (0.12 R)
• M36: 10,695,799 km (0.079 R)
• M37: 10,847,192 km (0.067 R)
• M38: 11,152,222 km (0.052 R)
• M39: 11,888,244 km (0.089 R)
• M40: 12,920,469 km (0.097 R)
• M41: 13,406,662 km (0.085 R)
• M42: 13,570,023 km (0.105 R)
• M43: 14,230,198 km (0.063 R)
• M44: 14,396,850 km (0.115 R)
• M45: 14,480,475 km (0.072 R)
• M46: 15,581,665 km (0.104 R)
• M47: 16,272,808 km (0.091 R)
• M48: 16,403,407 km (0.118 R)
• M49: 16,797,597 km (0.11 R)
• M50: 17,062,086 km (0.111 R)
• M51: 17,150,648 km (0.09 R)
• M52: 17,239,210 km (0.088 R)
• M53: 17,328,071 km (0.119 R)
• M54: 17,684,712 km (0.089 R)
• M55: 17,908,810 km (0.111 R)
• M56: 19,550,497 km (0.112 R)
• M57: 19,643,098 km (0.04 R)
• M58: 20,860,226 km (0.072 R)
• M59: 22,343,190 km (0.052 R)
• M60: 22,439,980 km (0.1 R)
• M61: 22,926,322 km (0.106 R)
• M62: 24,256,696 km (0.112 R)
• M63: 24,555,742 km (0.116 R)
• M64: 25,006,481 km (0.103 R)
• M65: 25,359,083 km (0.119 R)
• M66: 25,460,062 km (0.055 R)
• M67: 26,069,075 km (0.114 R)
• M68: 26,273,126 km (0.054 R)
• M69: 28,081,316 km (0.112 R)
• M70: 28,185,884 km (0.052 R)
• M71: 28,342,962 km (0.11 R)
• M72: 30,571,970 km (0.079 R)
• M73: 30,733,387 km (0.102 R)
• M74: 30,841,097 km (0.064 R)
• M75: 30,948,957 km (0.081 R)
• M76: 32,307,755 km (0.103 R)
• M77: 33,022,084 km (0.099 R)
• M78: 33,298,242 km (0.107 R)
• M79: 34,522,252 km (0.107 R)
• M80: 36,214,952 km (0.059 R)
• M81: 37,819,090 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.2

Radius: 13.4

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.88 AU - 7.84 AU

Year: 6769 Days

Day: 12.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 30,373,678 km

• M1: 291,566 km (0.092 R)
• M2: 401,521 km (0.069 R)
• M3: 494,870 km (0.119 R)
• M4: 1,292,974 km (0.083 R)
• M5: 1,406,220 km (0.118 R)
• M6: 1,684,023 km (0.118 R)
• M7: 1,787,695 km (0.095 R)
• M8: 2,156,753 km (0.111 R)
• M9: 2,479,136 km (0.118 R)
• M10: 3,067,953 km (0.067 R)
• M11: 3,273,949 km (0.038 R)
• M12: 3,484,583 km (0.081 R)
• M13: 3,672,628 km (0.094 R)
• M14: 4,662,966 km (0.06 R)
• M15: 5,481,116 km (0.102 R)
• M16: 5,606,180 km (0.105 R)
• M17: 5,732,142 km (0.113 R)
• M18: 5,923,028 km (0.107 R)
• M19: 6,740,730 km (0.109 R)
• M20: 7,010,007 km (0.065 R)
• M21: 7,248,466 km (0.095 R)
• M22: 7,698,606 km (0.072 R)
• M23: 7,944,694 km (0.029 R)
• M24: 8,336,940 km (0.089 R)
• M25: 8,662,465 km (0.084 R)
• M26: 9,251,731 km (0.059 R)
• M27: 9,551,076 km (0.099 R)
• M28: 10,006,452 km (0.075 R)
• M29: 10,275,279 km (0.101 R)
• M30: 10,429,964 km (0.089 R)
• M31: 10,741,726 km (0.106 R)
• M32: 10,859,459 km (0.057 R)
• M33: 11,056,629 km (0.049 R)
• M34: 12,019,591 km (0.027 R)
• M35: 13,092,955 km (0.116 R)
• M36: 14,110,969 km (0.066 R)
• M37: 15,022,618 km (0.116 R)
• M38: 15,774,497 km (0.107 R)
• M39: 15,953,267 km (0.054 R)
• M40: 16,177,514 km (0.083 R)
• M41: 16,267,572 km (0.061 R)
• M42: 16,720,255 km (0.116 R)
• M43: 18,149,812 km (0.111 R)
• M44: 19,426,779 km (0.111 R)
• M45: 19,858,818 km (0.068 R)
• M46: 20,586,013 km (0.068 R)
• M47: 20,830,456 km (0.107 R)
• M48: 21,322,035 km (0.079 R)
• M49: 22,567,736 km (0.056 R)
• M50: 22,870,223 km (0.08 R)
• M51: 23,174,057 km (0.08 R)
• M52: 23,530,249 km (0.108 R)
• M53: 23,734,600 km (0.106 R)
• M54: 23,990,861 km (0.101 R)
• M55: 24,454,465 km (0.076 R)
• M56: 25,285,930 km (0.026 R)
• M57: 25,390,499 km (0.098 R)
• M58: 25,495,217 km (0.117 R)
• M59: 25,600,085 km (0.119 R)
• M60: 26,126,670 km (0.119 R)
• M61: 26,709,952 km (0.044 R)
• M62: 27,137,054 km (0.11 R)
• M63: 27,458,689 km (0.085 R)
• M64: 27,727,816 km (0.107 R)
• M65: 28,540,282 km (0.08 R)
• M66: 29,250,722 km (0.101 R)
• M67: 31,529,397 km (0.04 R)
• M68: 31,641,894 km (0.07 R)
• M69: 31,924,036 km (0.079 R)
• M70: 33,003,684 km (0.078 R)
• M71: 33,347,161 km (0.092 R)
• M72: 33,461,902 km (0.045 R)
• M73: 33,922,215 km (0.06 R)
• M74: 34,153,194 km (0.107 R)
• M75: 34,384,622 km (0.091 R)
• M76: 34,558,604 km (0.036 R)
• M77: 35,374,212 km (0.107 R)
• M78: 36,137,161 km (0.104 R)
• M79: 37,560,136 km (0.061 R)
• M80: 39,546,347 km (0.086 R)
• M81: 40,033,138 km (0.06 R)
• M82: 40,766,766 km (0.1 R)
• M83: 40,950,921 km (0.12 R)
• M84: 41,196,860 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.5

Radius: 10.1

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 8.3 AU - 11.2 AU

Year: 11469 Days

Day: 14.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 30,373,678 km

• M1: 204,799 km (0.084 R)
• M2: 443,707 km (0.112 R)
• M3: 697,874 km (0.043 R)
• M4: 983,456 km (0.09 R)
• M5: 1,067,830 km (0.052 R)
• M6: 1,336,208 km (0.109 R)
• M7: 1,543,401 km (0.063 R)
• M8: 1,778,419 km (0.107 R)
• M9: 1,865,336 km (0.086 R)
• M10: 1,953,599 km (0.078 R)
• M11: 2,189,963 km (0.06 R)
• M12: 2,474,199 km (0.076 R)
• M13: 2,591,334 km (0.114 R)
• M14: 2,871,830 km (0.115 R)
• M15: 3,078,126 km (0.095 R)
• M16: 3,141,106 km (0.044 R)
• M17: 3,225,629 km (0.101 R)
• M18: 3,353,835 km (0.104 R)
• M19: 3,505,677 km (0.075 R)
• M20: 3,593,490 km (0.114 R)
• M21: 3,771,362 km (0.07 R)
• M22: 4,089,557 km (0.102 R)
• M23: 4,298,695 km (0.106 R)
• M24: 4,583,230 km (0.099 R)
• M25: 4,824,980 km (0.116 R)
• M26: 4,996,868 km (0.108 R)
• M27: 5,859,749 km (0.087 R)
• M28: 6,496,587 km (0.116 R)
• M29: 6,604,746 km (0.114 R)
• M30: 6,850,685 km (0.108 R)
• M31: 6,988,614 km (0.08 R)
• M32: 7,407,787 km (0.063 R)
• M33: 7,864,061 km (0.106 R)
• M34: 8,241,496 km (0.089 R)
• M35: 8,388,252 km (0.08 R)
• M36: 8,535,905 km (0.096 R)
• M37: 8,833,754 km (0.117 R)
• M38: 9,716,830 km (0.116 R)
• M39: 9,809,880 km (0.105 R)
• M40: 10,405,579 km (0.09 R)
• M41: 11,239,737 km (0.057 R)
• M42: 11,435,261 km (0.043 R)
• M43: 12,195,368 km (0.106 R)
• M44: 12,666,003 km (0.109 R)
• M45: 13,142,622 km (0.045 R)
• M46: 13,383,026 km (0.112 R)
• M47: 13,659,782 km (0.086 R)
• M48: 13,973,339 km (0.092 R)
• M49: 14,928,072 km (0.119 R)
• M50: 15,685,337 km (0.073 R)
• M51: 16,381,116 km (0.096 R)
• M52: 17,954,736 km (0.094 R)
• M53: 18,107,177 km (0.098 R)
• M54: 18,451,551 km (0.084 R)
• M55: 18,836,915 km (0.087 R)
• M56: 19,185,927 km (0.117 R)
• M57: 19,380,703 km (0.113 R)
• M58: 19,654,617 km (0.034 R)
• M59: 20,048,059 km (0.12 R)
• M60: 20,206,184 km (0.115 R)
• M61: 20,444,045 km (0.1 R)
• M62: 21,445,453 km (0.097 R)
• M63: 21,769,333 km (0.078 R)
• M64: 21,972,636 km (0.109 R)
• M65: 22,054,017 km (0.045 R)
• M66: 22,462,868 km (0.055 R)
• M67: 22,750,545 km (0.094 R)
• M68: 22,874,262 km (0.097 R)
• M69: 24,165,292 km (0.058 R)
• M70: 24,333,590 km (0.098 R)
• M71: 24,713,718 km (0.118 R)
• M72: 24,968,184 km (0.112 R)
• M73: 25,308,968 km (0.1 R)
• M74: 26,600,147 km (0.092 R)
• M75: 28,443,791 km (0.114 R)
• M76: 28,577,083 km (0.04 R)
• M77: 29,022,735 km (0.101 R)
• M78: 29,201,654 km (0.107 R)
• M79: 29,336,142 km (0.029 R)
• M80: 29,425,901 km (0.047 R)
• M81: 29,515,660 km (0.048 R)
• M82: 29,740,655 km (0.107 R)
• M83: 29,875,892 km (0.082 R)
• M84: 30,328,276 km (0.101 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 17,023 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit