🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.1

Radius: 10.1

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.49 AU - 0.73 AU

Year: 335 Days

Day: 14 Hours

Environment

Temp: -160 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,781,157 km

• M1: 125,812 km (0.079 R)
• M2: 439,967 km (0.097 R)
• M3: 838,197 km (0.114 R)
• M4: 1,230,442 km (0.112 R)
• M5: 1,810,284 km (0.113 R)
• M6: 2,312,783 km (0.077 R)
• M7: 2,744,523 km (0.073 R)
• M8: 3,229,818 km (0.099 R)
• M9: 3,641,362 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.2

Radius: 10.9

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.41 AU - 1.61 AU

Year: 1304 Days

Day: 8.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,781,157 km

• M1: 138,677 km (0.079 R)
• M2: 519,105 km (0.104 R)
• M3: 1,134,550 km (0.087 R)
• M4: 1,597,705 km (0.057 R)
• M5: 2,061,758 km (0.067 R)
• M6: 2,436,650 km (0.048 R)
• M7: 2,857,170 km (0.085 R)
• M8: 3,795,148 km (0.03 R)
• M9: 4,947,351 km (0.074 R)
• M10: 5,806,043 km (0.054 R)
• M11: 6,152,661 km (0.113 R)
• M12: 6,537,577 km (0.07 R)
• M13: 7,303,069 km (0.076 R)
• M14: 7,735,108 km (0.051 R)
• M15: 8,415,329 km (0.09 R)
• M16: 9,165,712 km (0.108 R)
• M17: 9,830,076 km (0.077 R)
• M18: 11,469,220 km (0.117 R)
• M19: 13,007,684 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.1

Radius: 10.8

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.46 AU - 2.18 AU

Year: 1726 Days

Day: 6.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,781,157 km

• M1: 137,630 km (0.093 R)
• M2: 521,199 km (0.109 R)
• M3: 939,624 km (0.04 R)
• M4: 1,368,821 km (0.111 R)
• M5: 1,805,347 km (0.071 R)
• M6: 2,636,214 km (0.108 R)
• M7: 3,805,620 km (0.111 R)
• M8: 6,454,101 km (0.046 R)
• M9: 7,532,402 km (0.095 R)
• M10: 7,973,417 km (0.115 R)
• M11: 9,590,570 km (0.09 R)
• M12: 10,142,287 km (0.101 R)
• M13: 12,601,526 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.8

Radius: 10.9

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.57 AU - 2.23 AU

Year: 1841 Days

Day: 5.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,781,157 km

• M1: 135,536 km (0.085 R)
• M2: 506,838 km (0.108 R)
• M3: 1,232,836 km (0.109 R)
• M4: 1,733,540 km (0.099 R)
• M5: 2,785,512 km (0.097 R)
• M6: 3,134,973 km (0.077 R)
• M7: 4,043,780 km (0.085 R)
• M8: 7,219,294 km (0.116 R)
• M9: 7,748,422 km (0.095 R)
• M10: 9,276,414 km (0.077 R)
• M11: 10,225,613 km (0.044 R)
• M12: 11,950,028 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17

Radius: 8.7

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.7 AU - 4.12 AU

Year: 4426 Days

Day: 13.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,781,157 km

• M1: 109,805 km (0.091 R)
• M2: 388,356 km (0.11 R)
• M3: 723,306 km (0.062 R)
• M4: 1,247,796 km (0.056 R)
• M5: 2,238,283 km (0.046 R)
• M6: 2,605,397 km (0.116 R)
• M7: 4,607,166 km (0.097 R)
• M8: 6,126,033 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.5

Radius: 10.8

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.62 AU - 6.14 AU

Year: 8772 Days

Day: 7.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,781,157 km

• M1: 134,937 km (0.1 R)
• M2: 1,728,155 km (0.103 R)
• M3: 2,827,101 km (0.095 R)
• M4: 3,618,025 km (0.106 R)
• M5: 4,041,237 km (0.038 R)
• M6: 5,159,182 km (0.107 R)
• M7: 7,316,233 km (0.112 R)
• M8: 7,689,031 km (0.063 R)
• M9: 10,664,683 km (0.113 R)
• M10: 12,725,094 km (0.072 R)
• M11: 15,826,557 km (0.118 R)
• M12: 20,261,087 km (0.095 R)
• M13: 22,840,453 km (0.053 R)
• M14: 28,733,861 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510.8

Radius: 7.4

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.91 AU - 8.51 AU

Year: 16536 Days

Day: 19.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,781,157 km

• M1: 93,648 km (0.076 R)
• M2: 417,228 km (0.094 R)
• M3: 756,068 km (0.104 R)
• M4: 1,017,714 km (0.066 R)
• M5: 1,467,555 km (0.066 R)
• M6: 1,935,198 km (0.094 R)
• M7: 2,414,809 km (0.115 R)
• M8: 4,005,333 km (0.099 R)
• M9: 4,816,902 km (0.057 R)
• M10: 5,808,736 km (0.103 R)
• M11: 6,312,881 km (0.074 R)
• M12: 7,908,043 km (0.074 R)
• M13: 9,648,315 km (0.079 R)
• M14: 11,569,451 km (0.084 R)
• M15: 12,242,043 km (0.119 R)
• M16: 15,123,148 km (0.052 R)
• M17: 15,412,171 km (0.096 R)
• M18: 17,619,338 km (0.107 R)
• M19: 20,730,525 km (0.075 R)
• M20: 21,357,639 km (0.114 R)
• M21: 21,721,611 km (0.099 R)
• M22: 22,462,120 km (0.086 R)
• M23: 30,356,250 km (0.079 R)
• M24: 30,816,563 km (0.076 R)
• M25: 38,559,150 km (0.12 R)
• M26: 38,828,576 km (0.104 R)
• M27: 40,056,027 km (0.108 R)
• M28: 43,893,511 km (0.094 R)
• M29: 44,629,982 km (0.12 R)
• M30: 49,699,405 km (0.085 R)
• M31: 54,459,908 km (0.06 R)
• M32: 55,824,689 km (0.085 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: 174 - 16,968 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit