🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.4

Radius: 11.6

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.68 AU - 0.86 AU

Year: 443 Days

Day: 6.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,756,624 km

• M1: 145,708 km (0.12 R)
• M2: 530,624 km (0.101 R)
• M3: 1,305,541 km (0.039 R)
• M4: 2,077,765 km (0.066 R)
• M5: 2,577,272 km (0.119 R)
• M6: 3,845,862 km (0.119 R)
• M7: 4,589,663 km (0.091 R)
• M8: 5,011,678 km (0.11 R)
• M9: 5,626,226 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.9

Radius: 8.6

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.45 AU - 2.09 AU

Year: 1545 Days

Day: 9.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 54,756,624 km

• M1: 110,553 km (0.086 R)
• M2: 439,369 km (0.119 R)
• M3: 1,064,688 km (0.117 R)
• M4: 1,875,209 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.2

Radius: 13.3

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.11 AU - 2.15 AU

Year: 2039 Days

Day: 8.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 150.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,756,624 km

• M1: 165,455 km (0.03 R)
• M2: 714,330 km (0.069 R)
• M3: 1,276,967 km (0.102 R)
• M4: 2,074,623 km (0.077 R)
• M5: 2,626,639 km (0.076 R)
• M6: 3,069,150 km (0.116 R)
• M7: 3,533,801 km (0.059 R)
• M8: 4,343,873 km (0.044 R)
• M9: 5,748,448 km (0.078 R)
• M10: 6,870,432 km (0.056 R)
• M11: 7,791,805 km (0.12 R)
• M12: 8,408,597 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.4

Radius: 13.8

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.81 AU - 3.31 AU

Year: 3511 Days

Day: 8.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,756,624 km

• M1: 172,337 km (0.092 R)
• M2: 617,540 km (0.062 R)
• M3: 1,098,647 km (0.084 R)
• M4: 1,766,152 km (0.098 R)
• M5: 2,231,103 km (0.116 R)
• M6: 3,243,282 km (0.087 R)
• M7: 3,951,029 km (0.075 R)
• M8: 4,565,877 km (0.109 R)
• M9: 5,217,824 km (0.119 R)
• M10: 6,134,111 km (0.086 R)
• M11: 6,865,944 km (0.075 R)
• M12: 7,519,687 km (0.099 R)
• M13: 8,358,631 km (0.102 R)
• M14: 10,989,908 km (0.062 R)
• M15: 12,024,527 km (0.118 R)
• M16: 12,976,119 km (0.112 R)
• M17: 13,420,425 km (0.108 R)
• M18: 15,137,509 km (0.098 R)
• M19: 17,055,354 km (0.064 R)
• M20: 17,951,146 km (0.088 R)
• M21: 19,257,734 km (0.106 R)
• M22: 23,777,385 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.9

Radius: 8.6

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.95 AU - 4.13 AU

Year: 4369 Days

Day: 6.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,756,624 km

• M1: 106,962 km (0.092 R)
• M2: 425,756 km (0.027 R)
• M3: 726,597 km (0.116 R)
• M4: 1,012,179 km (0.081 R)
• M5: 1,456,634 km (0.088 R)
• M6: 2,247,858 km (0.056 R)
• M7: 2,673,763 km (0.114 R)
• M8: 3,356,228 km (0.101 R)
• M9: 3,748,923 km (0.096 R)
• M10: 4,128,303 km (0.119 R)
• M11: 4,579,789 km (0.075 R)
• M12: 5,114,003 km (0.081 R)
• M13: 6,662,192 km (0.059 R)
• M14: 8,359,080 km (0.102 R)
• M15: 8,897,932 km (0.072 R)
• M16: 9,345,379 km (0.038 R)
• M17: 9,613,309 km (0.068 R)
• M18: 11,158,804 km (0.12 R)
• M19: 13,777,365 km (0.114 R)
• M20: 15,255,392 km (0.092 R)
• M21: 15,951,172 km (0.075 R)
• M22: 21,559,297 km (0.105 R)
• M23: 22,230,992 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.8

Radius: 9

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.99 AU - 4.39 AU

Year: 4650 Days

Day: 7.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,756,624 km

• M1: 115,340 km (0.097 R)
• M2: 629,807 km (0.092 R)
• M3: 1,429,108 km (0.041 R)
• M4: 1,831,976 km (0.073 R)
• M5: 3,826,414 km (0.119 R)
• M6: 4,354,046 km (0.114 R)
• M7: 4,714,427 km (0.116 R)
• M8: 6,327,990 km (0.108 R)
• M9: 6,656,806 km (0.093 R)
• M10: 7,206,728 km (0.098 R)
• M11: 8,241,646 km (0.103 R)
• M12: 8,674,283 km (0.112 R)
• M13: 10,421,736 km (0.107 R)
• M14: 13,817,757 km (0.044 R)
• M15: 14,204,617 km (0.078 R)
• M16: 16,432,129 km (0.104 R)
• M17: 17,308,474 km (0.067 R)
• M18: 19,154,212 km (0.116 R)
• M19: 19,566,055 km (0.091 R)
• M20: 19,984,032 km (0.105 R)
• M21: 20,265,874 km (0.05 R)
• M22: 24,576,686 km (0.102 R)
• M23: 24,981,648 km (0.109 R)
• M24: 26,561,551 km (0.076 R)
• M25: 27,332,728 km (0.11 R)
• M26: 29,099,778 km (0.103 R)
• M27: 30,381,233 km (0.112 R)
• M28: 32,373,278 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.4

Radius: 12.7

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.61 AU - 5.27 AU

Year: 7203 Days

Day: 12.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 113.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,756,624 km

• M1: 158,723 km (0.085 R)
• M2: 677,978 km (0.081 R)
• M3: 1,134,251 km (0.12 R)
• M4: 1,913,207 km (0.119 R)
• M5: 3,224,283 km (0.048 R)
• M6: 4,864,773 km (0.119 R)
• M7: 6,570,338 km (0.1 R)
• M8: 9,712,941 km (0.103 R)
• M9: 10,569,987 km (0.039 R)
• M10: 11,168,827 km (0.077 R)
• M11: 17,211,385 km (0.034 R)
• M12: 19,973,560 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775

Radius: 6.9

Gravity: 16.28 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.4 AU - 7.08 AU

Year: 11479 Days

Day: 24.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,756,624 km

• M1: 85,869 km (0.062 R)
• M2: 621,579 km (0.091 R)
• M3: 929,900 km (0.09 R)
• M4: 1,260,362 km (0.069 R)
• M5: 1,794,576 km (0.103 R)
• M6: 3,157,263 km (0.111 R)
• M7: 3,826,265 km (0.082 R)
• M8: 4,253,067 km (0.068 R)
• M9: 4,711,136 km (0.117 R)
• M10: 5,476,928 km (0.099 R)
• M11: 5,982,120 km (0.118 R)
• M12: 6,361,500 km (0.09 R)
• M13: 6,676,553 km (0.083 R)
• M14: 9,033,617 km (0.083 R)
• M15: 13,561,795 km (0.078 R)
• M16: 14,824,251 km (0.073 R)
• M17: 16,090,897 km (0.102 R)
• M18: 23,150,121 km (0.108 R)
• M19: 23,614,473 km (0.041 R)
• M20: 24,084,958 km (0.104 R)
• M21: 26,734,785 km (0.12 R)
• M22: 30,672,799 km (0.07 R)
• M23: 31,572,331 km (0.097 R)
• M24: 32,489,366 km (0.06 R)
• M25: 33,306,320 km (0.08 R)
• M26: 36,962,642 km (0.118 R)
• M27: 43,777,573 km (0.069 R)
• M28: 52,174,202 km (0.07 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 10,495 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit