🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.2

Radius: 13.5

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.5 AU - 0.62 AU

Year: 284 Days

Day: 6.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 95,623,788 km

• M1: 168,148 km (0.07 R)
• M2: 651,648 km (0.085 R)
• M3: 1,281,455 km (0.096 R)
• M4: 1,755,232 km (0.119 R)
• M5: 2,677,503 km (0.102 R)
• M6: 3,132,879 km (0.087 R)
• M7: 3,605,309 km (0.107 R)
• M8: 4,050,063 km (0.057 R)
• M9: 4,531,619 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.6

Radius: 14.6

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.6 AU - 0.62 AU

Year: 323 Days

Day: 7.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 95,623,788 km

• M1: 181,612 km (0.08 R)
• M2: 657,632 km (0.082 R)
• M3: 1,116,150 km (0.074 R)
• M4: 1,597,256 km (0.116 R)
• M5: 2,133,116 km (0.049 R)
• M6: 3,125,548 km (0.065 R)
• M7: 3,869,499 km (0.086 R)
• M8: 4,473,126 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.6

Radius: 8.3

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.6 AU - 2.18 AU

Year: 1762 Days

Day: 7.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 95,623,788 km

• M1: 105,317 km (0.108 R)
• M2: 415,134 km (0.064 R)
• M3: 709,842 km (0.102 R)
• M4: 1,042,398 km (0.047 R)
• M5: 1,830,330 km (0.106 R)
• M6: 2,179,192 km (0.1 R)
• M7: 2,731,358 km (0.112 R)
• M8: 3,484,434 km (0.113 R)
• M9: 3,798,140 km (0.049 R)
• M10: 4,130,696 km (0.092 R)
• M11: 4,463,552 km (0.107 R)
• M12: 4,976,074 km (0.105 R)
• M13: 6,165,676 km (0.119 R)
• M14: 6,478,336 km (0.118 R)
• M15: 7,561,724 km (0.1 R)
• M16: 8,942,512 km (0.115 R)
• M17: 9,660,582 km (0.084 R)
• M18: 10,248,950 km (0.083 R)
• M19: 11,605,354 km (0.104 R)
• M20: 12,383,413 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.3

Radius: 9.8

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.04 AU - 4.74 AU

Year: 5204 Days

Day: 7.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 95,623,788 km

• M1: 121,922 km (0.083 R)
• M2: 663,317 km (0.084 R)
• M3: 1,045,988 km (0.065 R)
• M4: 1,554,771 km (0.064 R)
• M5: 2,222,576 km (0.113 R)
• M6: 3,994,712 km (0.045 R)
• M7: 4,544,035 km (0.062 R)
• M8: 5,019,158 km (0.066 R)
• M9: 5,500,863 km (0.064 R)
• M10: 5,875,456 km (0.115 R)
• M11: 6,469,210 km (0.071 R)
• M12: 7,809,757 km (0.105 R)
• M13: 8,180,610 km (0.112 R)
• M14: 9,067,277 km (0.087 R)
• M15: 11,327,252 km (0.07 R)
• M16: 11,672,075 km (0.072 R)
• M17: 13,168,951 km (0.107 R)
• M18: 15,046,554 km (0.029 R)
• M19: 16,760,945 km (0.031 R)
• M20: 19,756,344 km (0.053 R)
• M21: 22,007,492 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.9

Radius: 14.9

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.69 AU - 5.29 AU

Year: 7560 Days

Day: 6.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 95,623,788 km

• M1: 185,801 km (0.102 R)
• M2: 720,613 km (0.114 R)
• M3: 1,286,242 km (0.055 R)
• M4: 1,949,709 km (0.116 R)
• M5: 2,837,423 km (0.055 R)
• M6: 4,220,156 km (0.092 R)
• M7: 5,740,070 km (0.094 R)
• M8: 7,527,765 km (0.094 R)
• M9: 11,438,852 km (0.072 R)
• M10: 16,292,255 km (0.109 R)
• M11: 19,617,517 km (0.119 R)
• M12: 21,475,971 km (0.079 R)
• M13: 26,293,471 km (0.067 R)
• M14: 31,310,984 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.6

Radius: 7.9

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 8.36 AU - 11.96 AU

Year: 21965 Days

Day: 20.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 95,623,788 km

• M1: 104,719 km (0.118 R)
• M2: 465,997 km (0.087 R)
• M3: 714,629 km (0.103 R)
• M4: 1,160,580 km (0.1 R)
• M5: 1,656,348 km (0.065 R)
• M6: 1,953,449 km (0.05 R)
• M7: 3,203,190 km (0.1 R)
• M8: 3,518,243 km (0.108 R)
• M9: 4,696,924 km (0.102 R)
• M10: 10,639,999 km (0.065 R)
• M11: 11,084,604 km (0.098 R)
• M12: 11,942,847 km (0.069 R)
• M13: 12,987,339 km (0.119 R)
• M14: 18,861,000 km (0.116 R)
• M15: 21,056,798 km (0.079 R)
• M16: 21,859,091 km (0.096 R)
• M17: 22,785,551 km (0.07 R)
• M18: 23,205,771 km (0.087 R)
• M19: 33,133,236 km (0.116 R)
• M20: 37,177,016 km (0.06 R)
• M21: 40,149,825 km (0.073 R)
• M22: 42,798,305 km (0.117 R)
• M23: 48,095,715 km (0.073 R)
• M24: 50,722,654 km (0.117 R)
• M25: 51,980,772 km (0.08 R)
• M26: 56,260,767 km (0.11 R)
• M27: 67,005,933 km (0.104 R)
• M28: 73,883,995 km (0.084 R)
• M29: 80,003,744 km (0.221 R)

Asteroid Belt

Center: 10.48 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 938.5

Radius: 6.8

Gravity: 20.3 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 8.31 AU - 13.29 AU

Year: 24073 Days

Day: 17.4 Hours

Environment

Temp: -246 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 95,623,788 km

• M1: 85,420 km (0.112 R)
• M2: 346,768 km (0.098 R)
• M3: 614,398 km (0.049 R)
• M4: 994,826 km (0.093 R)
• M5: 1,725,312 km (0.115 R)
• M6: 2,071,482 km (0.025 R)
• M7: 2,612,876 km (0.087 R)
• M8: 3,215,157 km (0.116 R)
• M9: 3,580,775 km (0.115 R)
• M10: 4,215,967 km (0.083 R)
• M11: 6,017,425 km (0.065 R)
• M12: 6,814,781 km (0.108 R)
• M13: 8,334,397 km (0.096 R)
• M14: 8,907,207 km (0.087 R)
• M15: 9,690,501 km (0.098 R)
• M16: 10,194,945 km (0.086 R)
• M17: 12,170,834 km (0.075 R)
• M18: 13,440,770 km (0.117 R)
• M19: 15,465,278 km (0.112 R)
• M20: 18,533,231 km (0.099 R)
• M21: 20,618,027 km (0.12 R)
• M22: 34,134,793 km (0.08 R)
• M23: 36,042,316 km (0.105 R)
• M24: 39,430,558 km (0.115 R)
• M25: 45,248,718 km (0.11 R)
• M26: 47,189,152 km (0.065 R)
• M27: 51,804,097 km (0.036 R)
• M28: 56,711,057 km (0.053 R)
• M29: 58,138,520 km (0.111 R)
• M30: 58,550,811 km (0.116 R)
• M31: 61,491,008 km (0.077 R)
• M32: 64,088,326 km (0.116 R)
• M33: 74,966,036 km (0.09 R)
• M34: 78,680,551 km (0.194 R)
• M35: 80,710,894 km (0.095 R)
• M36: 82,775,943 km (0.095 R)
• M37: 83,821,632 km (0.119 R)
• M38: 88,635,990 km (0.08 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 14,681 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit