🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.58 AU - 0.64 AU

Year: 177 Days

Day: 23.2 Hours

Environment

Temp: 191 °C

Axial Tilt: 4.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 45,902,174 km

• M1: 430,692 km (0.04 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.65 AU - 0.85 AU

Year: 241 Days

Day: 39.9 Hours

Environment

Temp: 90 °C

Axial Tilt: 26.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 45,902,174 km

• M1: 61,485 km (0.067 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.07 AU - 1.11 AU

Year: 422 Days

Day: 17.1 Hours

Environment

Temp: 12 °C

Axial Tilt: 5.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.02 AU - 1.58 AU

Year: 550 Days

Day: 35.2 Hours

Environment

Temp: -1 °C

Axial Tilt: 45.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 45,902,174 km

• M1: 479,162 km (0.039 R)
• M2: 723,156 km (0.077 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.53 AU - 3.61 AU

Year: 1995 Days

Day: 13.6 Hours

Environment

Temp: -112 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,902,174 km

• M1: 69,114 km (0.089 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.62 AU - 3.96 AU

Year: 2736 Days

Day: 19 Hours

Environment

Temp: -125 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,902,174 km

• M1: 224,397 km (0.079 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.16 AU - 4.96 AU

Year: 3034 Days

Day: 30.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,902,174 km

• M1: 494,271 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.2

Radius: 8.5

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 11.87 AU - 11.95 AU

Year: 15243 Days

Day: 14.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 45,902,174 km

• M1: 128,505 km (0.053 R)
• M2: 190,737 km (0.118 R)
• M3: 511,326 km (0.112 R)
• M4: 584,928 km (0.073 R)
• M5: 702,811 km (0.106 R)
• M6: 807,380 km (0.05 R)
• M7: 1,128,566 km (0.103 R)
• M8: 1,303,745 km (0.115 R)
• M9: 1,407,866 km (0.096 R)
• M10: 1,680,582 km (0.082 R)
• M11: 1,737,130 km (0.105 R)
• M12: 2,213,001 km (0.12 R)
• M13: 2,761,277 km (0.101 R)
• M14: 3,068,103 km (0.067 R)
• M15: 3,350,095 km (0.052 R)
• M16: 4,881,977 km (0.108 R)
• M17: 5,633,257 km (0.119 R)
• M18: 6,066,044 km (0.045 R)
• M19: 6,826,450 km (0.104 R)
• M20: 7,055,784 km (0.117 R)
• M21: 7,334,335 km (0.088 R)
• M22: 8,484,593 km (0.09 R)
• M23: 8,830,613 km (0.05 R)
• M24: 9,999,720 km (0.069 R)
• M25: 10,470,505 km (0.091 R)
• M26: 11,705,884 km (0.091 R)
• M27: 13,100,435 km (0.087 R)
• M28: 13,788,286 km (0.088 R)
• M29: 16,164,798 km (0.077 R)
• M30: 16,593,545 km (0.104 R)
• M31: 17,088,266 km (0.038 R)
• M32: 18,345,785 km (0.106 R)
• M33: 18,664,878 km (0.056 R)
• M34: 18,728,905 km (0.038 R)
• M35: 20,090,545 km (0.116 R)
• M36: 20,353,538 km (0.082 R)
• M37: 20,419,361 km (0.111 R)
• M38: 20,617,579 km (0.114 R)
• M39: 21,015,808 km (0.08 R)
• M40: 23,182,584 km (0.108 R)
• M41: 23,666,084 km (0.032 R)
• M42: 24,222,588 km (0.067 R)
• M43: 24,502,486 km (0.053 R)
• M44: 25,561,489 km (0.102 R)
• M45: 25,917,831 km (0.089 R)
• M46: 27,651,222 km (0.071 R)
• M47: 28,016,988 km (0.091 R)
• M48: 28,237,196 km (0.114 R)
• M49: 29,421,712 km (0.039 R)
• M50: 30,095,052 km (0.101 R)
• M51: 30,924,872 km (0.108 R)
• M52: 31,152,410 km (0.081 R)
• M53: 31,609,432 km (0.093 R)
• M54: 31,991,953 km (0.11 R)
• M55: 33,071,003 km (0.087 R)
• M56: 34,083,631 km (0.101 R)
• M57: 34,475,876 km (0.098 R)
• M58: 34,711,942 km (0.102 R)
• M59: 34,790,630 km (0.055 R)
• M60: 35,582,003 km (0.107 R)
• M61: 36,860,317 km (0.088 R)
• M62: 37,021,135 km (0.119 R)
• M63: 38,642,476 km (0.085 R)
• M64: 38,969,497 km (0.059 R)
• M65: 39,708,810 km (0.113 R)
• M66: 40,701,541 km (0.051 R)
• M67: 40,951,071 km (0.036 R)
• M68: 41,201,049 km (0.099 R)
• M69: 41,953,975 km (0.094 R)
• M70: 42,796,061 km (0.063 R)
• M71: 45,011,307 km (0.117 R)
• M72: 46,566,526 km (0.101 R)
• M73: 46,827,574 km (0.11 R)
• M74: 47,700,777 km (0.11 R)
• M75: 49,907,495 km (0.102 R)
• M76: 50,352,848 km (0.113 R)
• M77: 50,620,628 km (0.09 R)
• M78: 52,508,553 km (0.095 R)
• M79: 53,871,240 km (0.071 R)
• M80: 54,236,558 km (0.1 R)
• M81: 58,028,416 km (0.088 R)
• M82: 59,909,010 km (0.09 R)
• M83: 60,761,718 km (0.105 R)
• M84: 61,904,945 km (0.085 R)
• M85: 62,000,538 km (0.099 R)
• M86: 64,697,040 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 135.2

Radius: 4.2

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 12.05 AU - 17.53 AU

Year: 21094 Days

Day: 15.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 45,902,174 km

• M1: 112,498 km (0.108 R)
• M2: 153,787 km (0.068 R)
• M3: 391,797 km (0.082 R)
• M4: 446,849 km (0.079 R)
• M5: 659,876 km (0.056 R)
• M6: 812,017 km (0.112 R)
• M7: 1,656,946 km (0.111 R)
• M8: 1,770,790 km (0.113 R)
• M9: 2,351,828 km (0.062 R)
• M10: 2,479,734 km (0.089 R)
• M11: 2,610,034 km (0.079 R)
• M12: 2,636,363 km (0.098 R)
• M13: 2,662,842 km (0.101 R)
• M14: 2,769,356 km (0.045 R)
• M15: 3,014,247 km (0.079 R)
• M16: 3,466,482 km (0.048 R)
• M17: 3,730,223 km (0.086 R)
• M18: 3,849,452 km (0.117 R)
• M19: 4,061,283 km (0.098 R)
• M20: 4,559,444 km (0.093 R)
• M21: 5,714,788 km (0.106 R)
• M22: 5,749,196 km (0.104 R)
• M23: 6,060,808 km (0.096 R)
• M24: 6,165,826 km (0.112 R)
• M25: 6,772,744 km (0.107 R)
• M26: 6,881,951 km (0.106 R)
• M27: 7,101,860 km (0.09 R)
• M28: 7,623,807 km (0.075 R)
• M29: 7,737,351 km (0.104 R)
• M30: 7,775,349 km (0.103 R)
• M31: 8,942,362 km (0.053 R)
• M32: 9,627,521 km (0.035 R)
• M33: 10,246,108 km (0.114 R)
• M34: 10,497,133 km (0.034 R)
• M35: 10,792,439 km (0.038 R)
• M36: 11,305,261 km (0.052 R)
• M37: 12,487,682 km (0.071 R)
• M38: 12,935,429 km (0.108 R)
• M39: 14,873,020 km (0.115 R)
• M40: 15,442,988 km (0.067 R)
• M41: 15,538,731 km (0.093 R)
• M42: 16,653,235 km (0.069 R)
• M43: 16,898,875 km (0.075 R)
• M44: 17,643,124 km (0.063 R)
• M45: 17,943,965 km (0.113 R)
• M46: 18,398,145 km (0.029 R)
• M47: 19,835,331 km (0.057 R)
• M48: 19,991,362 km (0.113 R)
• M49: 20,830,905 km (0.037 R)
• M50: 21,308,122 km (0.067 R)
• M51: 21,521,449 km (0.078 R)
• M52: 21,842,636 km (0.108 R)
• M53: 24,135,223 km (0.03 R)
• M54: 25,989,488 km (0.107 R)
• M55: 26,160,180 km (0.117 R)
• M56: 26,388,616 km (0.07 R)
• M57: 26,560,354 km (0.07 R)
• M58: 27,656,308 km (0.113 R)
• M59: 27,888,933 km (0.087 R)
• M60: 28,356,127 km (0.118 R)
• M61: 29,239,053 km (0.114 R)
• M62: 31,880,503 km (0.038 R)
• M63: 32,002,425 km (0.103 R)
• M64: 32,859,771 km (0.056 R)
• M65: 33,229,577 km (0.09 R)
• M66: 33,476,862 km (0.054 R)
• M67: 33,786,829 km (0.055 R)
• M68: 33,973,228 km (0.054 R)
• M69: 35,603,246 km (0.08 R)
• M70: 39,264,804 km (0.054 R)
• M71: 39,985,117 km (0.037 R)
• M72: 40,182,287 km (0.117 R)
• M73: 40,313,933 km (0.098 R)
• M74: 40,974,408 km (0.103 R)
• M75: 41,106,952 km (0.092 R)
• M76: 42,708,098 km (0.072 R)
• M77: 43,786,698 km (0.1 R)
• M78: 43,854,466 km (0.077 R)
• M79: 44,057,770 km (0.055 R)
• M80: 45,079,374 km (0.092 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 17,583 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit