🌌 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: 79.7

Radius: 9

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.56 AU - 0.56 AU

Year: 279 Days

Day: 10.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,405,698 km

• M1: 112,647 km (0.109 R)
• M2: 527,332 km (0.052 R)
• M3: 936,483 km (0.089 R)
• M4: 1,344,586 km (0.087 R)
• M5: 1,646,325 km (0.071 R)
• M6: 2,106,338 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.4

Radius: 13.5

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.7 AU - 0.8 AU

Year: 433 Days

Day: 12.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 111.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,405,698 km

• M1: 167,998 km (0.082 R)
• M2: 618,438 km (0.11 R)
• M3: 1,051,374 km (0.053 R)
• M4: 1,672,055 km (0.107 R)
• M5: 2,112,172 km (0.106 R)
• M6: 2,540,022 km (0.061 R)
• M7: 2,975,950 km (0.115 R)
• M8: 3,507,172 km (0.109 R)
• M9: 4,076,542 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.6

Radius: 12.5

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.88 AU - 1.4 AU

Year: 812 Days

Day: 13 Hours

Environment

Temp: -191 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,405,698 km

• M1: 156,031 km (0.098 R)
• M2: 591,211 km (0.117 R)
• M3: 1,084,585 km (0.1 R)
• M4: 2,123,991 km (0.104 R)
• M5: 2,692,762 km (0.095 R)
• M6: 3,385,250 km (0.055 R)
• M7: 3,780,937 km (0.106 R)
• M8: 4,235,265 km (0.084 R)
• M9: 5,997,379 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.6

Radius: 13.5

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.28 AU - 1.5 AU

Year: 1093 Days

Day: 14.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,405,698 km

• M1: 167,998 km (0.069 R)
• M2: 863,030 km (0.037 R)
• M3: 1,541,008 km (0.108 R)
• M4: 2,489,757 km (0.066 R)
• M5: 3,443,145 km (0.11 R)
• M6: 4,107,658 km (0.077 R)
• M7: 5,190,597 km (0.117 R)
• M8: 5,941,130 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.2

Radius: 8.6

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.17 AU - 1.95 AU

Year: 1299 Days

Day: 11.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,405,698 km

• M1: 106,962 km (0.115 R)
• M2: 540,348 km (0.106 R)
• M3: 1,515,726 km (0.094 R)
• M4: 1,851,872 km (0.086 R)
• M5: 3,368,944 km (0.062 R)
• M6: 3,914,827 km (0.054 R)
• M7: 5,280,206 km (0.072 R)
• M8: 5,599,747 km (0.114 R)
• M9: 5,932,154 km (0.091 R)
• M10: 6,938,349 km (0.114 R)
• M11: 7,569,203 km (0.094 R)
• M12: 8,317,492 km (0.119 R)
• M13: 9,692,745 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.1

Radius: 8.2

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.41 AU - 1.89 AU

Year: 1413 Days

Day: 13.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,405,698 km

• M1: 102,026 km (0.104 R)
• M2: 436,826 km (0.12 R)
• M3: 697,126 km (0.095 R)
• M4: 1,242,560 km (0.084 R)
• M5: 1,631,514 km (0.107 R)
• M6: 1,947,615 km (0.05 R)
• M7: 2,440,839 km (0.113 R)
• M8: 2,961,739 km (0.115 R)
• M9: 3,406,643 km (0.11 R)
• M10: 3,816,092 km (0.062 R)
• M11: 4,123,665 km (0.104 R)
• M12: 5,070,321 km (0.118 R)
• M13: 5,564,143 km (0.107 R)
• M14: 6,133,214 km (0.1 R)
• M15: 6,951,514 km (0.055 R)
• M16: 7,239,789 km (0.106 R)
• M17: 7,586,258 km (0.092 R)
• M18: 8,610,405 km (0.114 R)
• M19: 9,084,480 km (0.116 R)
• M20: 9,342,537 km (0.118 R)
• M21: 10,549,043 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.9

Radius: 11.6

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.63 AU - 4.21 AU

Year: 4218 Days

Day: 6.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,405,698 km

• M1: 144,960 km (0.099 R)
• M2: 689,945 km (0.11 R)
• M3: 1,176,737 km (0.114 R)
• M4: 1,850,825 km (0.108 R)
• M5: 2,530,747 km (0.105 R)
• M6: 2,911,324 km (0.109 R)
• M7: 4,967,846 km (0.095 R)
• M8: 6,282,213 km (0.081 R)
• M9: 7,256,544 km (0.098 R)
• M10: 8,106,260 km (0.03 R)
• M11: 11,376,469 km (0.113 R)
• M12: 12,180,707 km (0.108 R)
• M13: 13,431,794 km (0.062 R)
• M14: 14,492,892 km (0.096 R)
• M15: 15,609,042 km (0.117 R)
• M16: 17,389,556 km (0.054 R)
• M17: 21,068,915 km (0.064 R)
• M18: 22,208,851 km (0.112 R)
• M19: 25,955,380 km (0.078 R)
• M20: 28,105,251 km (0.104 R)

Asteroid Belt

Center: 4.4 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.1

Radius: 13.5

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.88 AU - 5.86 AU

Year: 8298 Days

Day: 9.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,405,698 km

• M1: 167,849 km (0.045 R)
• M2: 723,455 km (0.085 R)
• M3: 1,203,066 km (0.106 R)
• M4: 1,831,826 km (0.087 R)
• M5: 2,656,709 km (0.1 R)
• M6: 3,145,744 km (0.112 R)
• M7: 3,739,648 km (0.062 R)
• M8: 4,184,701 km (0.041 R)
• M9: 5,042,795 km (0.081 R)
• M10: 5,677,838 km (0.104 R)
• M11: 7,004,172 km (0.075 R)
• M12: 7,429,180 km (0.088 R)
• M13: 8,768,380 km (0.118 R)
• M14: 10,581,207 km (0.074 R)
• M15: 11,237,642 km (0.081 R)
• M16: 13,972,441 km (0.04 R)
• M17: 15,823,565 km (0.105 R)
• M18: 16,310,805 km (0.087 R)
• M19: 16,871,049 km (0.038 R)
• M20: 19,035,731 km (0.03 R)
• M21: 20,650,191 km (0.086 R)
• M22: 21,676,582 km (0.098 R)
• M23: 23,990,113 km (0.057 R)
• M24: 24,471,968 km (0.078 R)
• M25: 28,116,172 km (0.069 R)
• M26: 29,012,861 km (0.073 R)
• M27: 32,791,255 km (0.104 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.9

Radius: 11.4

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.94 AU - 6.42 AU

Year: 9027 Days

Day: 9.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,405,698 km

• M1: 141,819 km (0.119 R)
• M2: 839,842 km (0.063 R)
• M3: 1,275,771 km (0.061 R)
• M4: 2,338,215 km (0.107 R)
• M5: 2,726,122 km (0.102 R)
• M6: 3,437,609 km (0.104 R)
• M7: 5,070,470 km (0.084 R)
• M8: 6,971,859 km (0.108 R)
• M9: 8,039,838 km (0.118 R)
• M10: 9,597,003 km (0.095 R)
• M11: 10,395,706 km (0.096 R)
• M12: 12,703,253 km (0.044 R)
• M13: 13,665,915 km (0.117 R)
• M14: 15,200,490 km (0.117 R)
• M15: 17,204,354 km (0.063 R)
• M16: 17,713,285 km (0.088 R)
• M17: 18,382,287 km (0.048 R)
• M18: 18,914,257 km (0.084 R)
• M19: 21,145,659 km (0.077 R)
• M20: 25,651,547 km (0.114 R)
• M21: 30,021,450 km (0.059 R)
• M22: 32,053,289 km (0.063 R)
• M23: 33,607,760 km (0.077 R)
• M24: 35,445,420 km (0.053 R)
• M25: 36,151,373 km (0.094 R)
• M26: 37,591,701 km (0.088 R)
• M27: 40,203,530 km (0.036 R)
• M28: 43,467,905 km (0.09 R)
• M29: 44,958,648 km (0.099 R)
• M30: 46,763,995 km (0.109 R)
• M31: 47,187,507 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.3

Radius: 3.2

Gravity: 40.65 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.51 AU - 8.99 AU

Year: 13018 Days

Day: 23.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 48,405,698 km

• M1: 39,793 km (0.042 R)
• M2: 146,008 km (0.061 R)
• M3: 326,572 km (0.098 R)
• M4: 635,941 km (0.112 R)
• M5: 1,101,489 km (0.12 R)
• M6: 1,551,480 km (0.108 R)
• M7: 1,890,917 km (0.107 R)
• M8: 2,008,651 km (0.107 R)
• M9: 3,546,816 km (0.101 R)
• M10: 3,966,288 km (0.109 R)
• M11: 5,870,520 km (0.088 R)
• M12: 6,121,844 km (0.096 R)
• M13: 6,840,363 km (0.029 R)
• M14: 7,281,228 km (0.063 R)
• M15: 8,219,057 km (0.059 R)
• M16: 8,488,183 km (0.11 R)
• M17: 9,091,511 km (0.038 R)
• M18: 9,476,576 km (0.044 R)
• M19: 12,133,584 km (0.102 R)
• M20: 15,653,772 km (0.073 R)
• M21: 15,859,469 km (0.108 R)
• M22: 16,136,524 km (0.086 R)
• M23: 19,718,346 km (0.112 R)
• M24: 22,815,770 km (0.068 R)
• M25: 24,341,668 km (0.07 R)
• M26: 25,082,776 km (0.085 R)
• M27: 27,694,755 km (0.114 R)
• M28: 28,400,408 km (0.053 R)
• M29: 39,955,796 km (0.115 R)
• M30: 41,769,969 km (0.109 R)
• M31: 43,233,336 km (0.11 R)
• M32: 43,638,148 km (0.052 R)
• M33: 45,561,378 km (0.114 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 10,864 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit