🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173

Radius: 14

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.26 AU - 1.3 AU

Year: 935 Days

Day: 14.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,440,767 km

• M1: 174,132 km (0.088 R)
• M2: 623,674 km (0.08 R)
• M3: 1,156,392 km (0.092 R)
• M4: 1,863,541 km (0.087 R)
• M5: 2,563,808 km (0.105 R)
• M6: 4,538,650 km (0.073 R)
• M7: 6,061,556 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.8

Radius: 12

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.76 AU - 3.82 AU

Year: 3853 Days

Day: 7.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,440,767 km

• M1: 149,299 km (0.078 R)
• M2: 652,995 km (0.117 R)
• M3: 1,538,165 km (0.118 R)
• M4: 2,218,387 km (0.08 R)
• M5: 2,737,491 km (0.058 R)
• M6: 3,435,066 km (0.109 R)
• M7: 4,022,238 km (0.12 R)
• M8: 4,650,998 km (0.107 R)
• M9: 6,314,377 km (0.054 R)
• M10: 6,841,709 km (0.098 R)
• M11: 7,739,595 km (0.118 R)
• M12: 8,235,213 km (0.112 R)
• M13: 9,290,327 km (0.051 R)
• M14: 11,305,709 km (0.114 R)
• M15: 15,453,011 km (0.112 R)
• M16: 16,297,940 km (0.113 R)
• M17: 17,411,846 km (0.053 R)
• M18: 20,119,717 km (0.081 R)
• M19: 22,664,825 km (0.086 R)
• M20: 25,417,426 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.3

Radius: 10.4

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.93 AU - 5.69 AU

Year: 6811 Days

Day: 12.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,440,767 km

• M1: 129,402 km (0.031 R)
• M2: 541,843 km (0.077 R)
• M3: 1,505,254 km (0.078 R)
• M4: 2,410,022 km (0.117 R)
• M5: 2,956,503 km (0.057 R)
• M6: 3,334,237 km (0.1 R)
• M7: 4,761,102 km (0.071 R)
• M8: 5,104,579 km (0.03 R)
• M9: 5,491,139 km (0.075 R)
• M10: 6,265,308 km (0.11 R)
• M11: 6,618,659 km (0.111 R)
• M12: 7,692,771 km (0.037 R)
• M13: 8,341,727 km (0.066 R)
• M14: 9,555,265 km (0.096 R)
• M15: 10,509,101 km (0.102 R)
• M16: 11,568,852 km (0.102 R)
• M17: 14,199,531 km (0.091 R)
• M18: 14,914,758 km (0.064 R)
• M19: 15,440,295 km (0.106 R)
• M20: 19,658,357 km (0.081 R)
• M21: 22,199,726 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.5

Radius: 10.6

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.7 AU - 4.98 AU

Year: 6875 Days

Day: 5.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,440,767 km

• M1: 135,835 km (0.027 R)
• M2: 1,163,123 km (0.094 R)
• M3: 1,632,113 km (0.118 R)
• M4: 2,489,608 km (0.119 R)
• M5: 3,169,231 km (0.079 R)
• M6: 3,506,424 km (0.074 R)
• M7: 4,280,444 km (0.077 R)
• M8: 5,411,703 km (0.092 R)
• M9: 5,764,305 km (0.116 R)
• M10: 6,480,430 km (0.084 R)
• M11: 7,804,371 km (0.093 R)
• M12: 8,466,342 km (0.086 R)
• M13: 10,188,961 km (0.081 R)
• M14: 10,678,595 km (0.105 R)
• M15: 11,287,010 km (0.087 R)
• M16: 12,965,797 km (0.09 R)
• M17: 14,558,416 km (0.104 R)
• M18: 19,887,840 km (0.096 R)
• M19: 20,344,862 km (0.112 R)
• M20: 22,818,911 km (0.098 R)
• M21: 27,502,521 km (0.025 R)
• M22: 32,789,908 km (0.046 R)
• M23: 34,292,021 km (0.055 R)
• M24: 34,839,399 km (0.09 R)
• M25: 36,290,050 km (0.058 R)
• M26: 38,013,417 km (0.091 R)
• M27: 39,430,857 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.7

Radius: 8.4

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.03 AU - 6.25 AU

Year: 8648 Days

Day: 11.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,440,767 km

• M1: 105,018 km (0.108 R)
• M2: 421,417 km (0.062 R)
• M3: 2,233,945 km (0.059 R)
• M4: 2,732,704 km (0.055 R)
• M5: 3,180,002 km (0.104 R)
• M6: 5,008,088 km (0.1 R)
• M7: 6,840,662 km (0.095 R)
• M8: 7,108,891 km (0.117 R)
• M9: 8,286,376 km (0.103 R)
• M10: 11,727,725 km (0.106 R)
• M11: 13,597,250 km (0.03 R)
• M12: 15,811,747 km (0.053 R)
• M13: 16,281,933 km (0.096 R)
• M14: 19,478,989 km (0.04 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.7

Radius: 4

Gravity: 42.67 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 7.94 AU - 11.64 AU

Year: 19778 Days

Day: 22.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,440,767 km

• M1: 50,714 km (0.094 R)
• M2: 176,825 km (0.097 R)
• M3: 575,054 km (0.117 R)
• M4: 768,035 km (0.066 R)
• M5: 2,710,115 km (0.114 R)
• M6: 3,282,177 km (0.031 R)
• M7: 3,479,946 km (0.076 R)
• M8: 5,837,159 km (0.073 R)
• M9: 6,384,688 km (0.072 R)
• M10: 7,058,028 km (0.106 R)
• M11: 9,249,188 km (0.11 R)
• M12: 11,147,136 km (0.061 R)
• M13: 11,724,284 km (0.117 R)
• M14: 12,053,549 km (0.034 R)
• M15: 17,930,801 km (0.062 R)
• M16: 22,320,900 km (0.113 R)
• M17: 22,928,267 km (0.067 R)
• M18: 34,468,247 km (0.109 R)
• M19: 54,462,002 km (0.076 R)
• M20: 60,495,584 km (0.083 R)
• M21: 61,476,946 km (0.115 R)
• M22: 74,764,229 km (0.107 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 11,298 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit