🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.8

Radius: 9

Gravity: 12.28 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.49 AU - 0.79 AU

Year: 341 Days

Day: 14.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,101,986 km

• M1: 112,647 km (0.077 R)
• M2: 475,721 km (0.071 R)
• M3: 863,629 km (0.082 R)
• M4: 1,149,211 km (0.106 R)
• M5: 1,600,847 km (0.11 R)
• M6: 2,033,035 km (0.087 R)
• M7: 2,354,072 km (0.099 R)
• M8: 2,780,127 km (0.108 R)
• M9: 3,099,518 km (0.116 R)
• M10: 3,491,166 km (0.103 R)
• M11: 3,876,978 km (0.116 R)
• M12: 4,181,410 km (0.118 R)
• M13: 4,660,722 km (0.092 R)
• M14: 5,082,737 km (0.102 R)
• M15: 5,383,429 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.9

Radius: 15

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.66 AU - 0.8 AU

Year: 416 Days

Day: 13 Hours

Environment

Temp: -150 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 52,101,986 km

• M1: 186,549 km (0.082 R)
• M2: 668,104 km (0.115 R)
• M3: 1,161,627 km (0.065 R)
• M4: 1,701,077 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.4

Radius: 9.4

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.96 AU - 1.14 AU

Year: 717 Days

Day: 10.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,101,986 km

• M1: 116,986 km (0.117 R)
• M2: 532,419 km (0.086 R)
• M3: 840,890 km (0.106 R)
• M4: 1,372,261 km (0.075 R)
• M5: 1,850,825 km (0.046 R)
• M6: 2,330,286 km (0.111 R)
• M7: 2,866,295 km (0.071 R)
• M8: 3,249,864 km (0.12 R)
• M9: 3,624,457 km (0.06 R)
• M10: 4,058,590 km (0.097 R)
• M11: 5,159,032 km (0.101 R)
• M12: 5,515,374 km (0.109 R)
• M13: 5,868,276 km (0.081 R)
• M14: 6,447,070 km (0.063 R)
• M15: 6,839,016 km (0.089 R)
• M16: 7,527,466 km (0.111 R)
• M17: 8,646,009 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.3

Radius: 9.3

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.16 AU - 1.26 AU

Year: 888 Days

Day: 11.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,101,986 km

• M1: 115,639 km (0.085 R)
• M2: 476,020 km (0.091 R)
• M3: 774,319 km (0.074 R)
• M4: 1,084,136 km (0.08 R)
• M5: 1,688,511 km (0.119 R)
• M6: 2,657,606 km (0.091 R)
• M7: 3,133,028 km (0.046 R)
• M8: 3,427,586 km (0.118 R)
• M9: 4,040,339 km (0.11 R)
• M10: 5,037,858 km (0.107 R)
• M11: 6,589,936 km (0.045 R)
• M12: 7,340,768 km (0.12 R)
• M13: 9,582,940 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.2

Radius: 11.9

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.55 AU - 2.09 AU

Year: 1637 Days

Day: 9.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,101,986 km

• M1: 156,479 km (0.054 R)
• M2: 538,403 km (0.079 R)
• M3: 1,059,303 km (0.111 R)
• M4: 1,690,306 km (0.064 R)
• M5: 2,520,425 km (0.071 R)
• M6: 3,402,304 km (0.068 R)
• M7: 4,419,719 km (0.106 R)
• M8: 5,021,253 km (0.116 R)
• M9: 5,513,430 km (0.114 R)
• M10: 6,062,304 km (0.085 R)
• M11: 6,967,521 km (0.079 R)
• M12: 7,466,879 km (0.106 R)
• M13: 7,930,931 km (0.06 R)
• M14: 10,156,499 km (0.113 R)
• M15: 13,520,207 km (0.049 R)
• M16: 14,654,607 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.2

Radius: 13.6

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.47 AU - 2.33 AU

Year: 1746 Days

Day: 12.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,101,986 km

• M1: 170,093 km (0.036 R)
• M2: 673,340 km (0.109 R)
• M3: 1,323,193 km (0.089 R)
• M4: 2,352,726 km (0.103 R)
• M5: 2,931,669 km (0.079 R)
• M6: 3,716,161 km (0.098 R)
• M7: 4,580,687 km (0.087 R)
• M8: 5,101,138 km (0.103 R)
• M9: 5,575,363 km (0.069 R)
• M10: 7,254,898 km (0.101 R)
• M11: 9,615,702 km (0.117 R)
• M12: 10,571,334 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.1

Radius: 8.7

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.94 AU - 2.94 AU

Year: 2542 Days

Day: 7.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,101,986 km

• M1: 108,159 km (0.078 R)
• M2: 397,631 km (0.107 R)
• M3: 2,532,991 km (0.086 R)
• M4: 4,254,563 km (0.072 R)
• M5: 5,008,088 km (0.081 R)
• M6: 5,534,224 km (0.117 R)
• M7: 6,327,092 km (0.119 R)
• M8: 12,093,342 km (0.084 R)
• M9: 13,640,184 km (0.119 R)
• M10: 13,991,290 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.6

Radius: 14.6

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.37 AU - 5.33 AU

Year: 7123 Days

Day: 5.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,101,986 km

• M1: 181,612 km (0.079 R)
• M2: 787,184 km (0.084 R)
• M3: 1,395,599 km (0.11 R)
• M4: 2,330,884 km (0.04 R)
• M5: 2,894,868 km (0.114 R)
• M6: 3,760,591 km (0.099 R)
• M7: 4,349,708 km (0.077 R)
• M8: 4,973,980 km (0.103 R)
• M9: 5,801,705 km (0.08 R)
• M10: 6,623,745 km (0.085 R)
• M11: 8,883,870 km (0.109 R)
• M12: 10,447,616 km (0.104 R)
• M13: 12,285,127 km (0.048 R)
• M14: 14,062,349 km (0.074 R)
• M15: 17,132,696 km (0.055 R)
• M16: 17,871,410 km (0.087 R)
• M17: 18,631,218 km (0.115 R)
• M18: 21,180,366 km (0.106 R)
• M19: 24,722,544 km (0.113 R)
• M20: 26,471,044 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.2

Radius: 7.5

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.48 AU - 8.1 AU

Year: 13126 Days

Day: 22.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 52,101,986 km

• M1: 93,798 km (0.11 R)
• M2: 341,382 km (0.118 R)
• M3: 720,763 km (0.072 R)
• M4: 965,205 km (0.026 R)
• M5: 1,229,545 km (0.055 R)
• M6: 1,658,592 km (0.086 R)
• M7: 1,925,025 km (0.087 R)
• M8: 2,626,340 km (0.074 R)
• M9: 2,968,471 km (0.065 R)
• M10: 3,901,363 km (0.106 R)
• M11: 4,494,219 km (0.107 R)
• M12: 5,210,643 km (0.076 R)
• M13: 6,444,078 km (0.111 R)
• M14: 7,068,350 km (0.076 R)
• M15: 7,904,452 km (0.09 R)
• M16: 8,256,755 km (0.057 R)
• M17: 10,385,234 km (0.073 R)
• M18: 11,352,833 km (0.116 R)
• M19: 12,556,348 km (0.084 R)
• M20: 14,484,814 km (0.095 R)
• M21: 17,847,774 km (0.077 R)
• M22: 19,390,876 km (0.094 R)
• M23: 20,687,740 km (0.104 R)
• M24: 21,020,894 km (0.061 R)
• M25: 21,442,162 km (0.084 R)
• M26: 21,869,114 km (0.116 R)
• M27: 28,766,025 km (0.059 R)
• M28: 35,656,652 km (0.036 R)
• M29: 43,163,773 km (0.033 R)
• M30: 43,707,860 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.5

Radius: 6.6

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.76 AU - 9.8 AU

Year: 15888 Days

Day: 20 Hours

Environment

Temp: -242 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,101,986 km

• M1: 82,129 km (0.098 R)
• M2: 337,642 km (0.092 R)
• M3: 698,622 km (0.113 R)
• M4: 985,850 km (0.034 R)
• M5: 2,090,780 km (0.112 R)
• M6: 2,409,423 km (0.094 R)
• M7: 3,336,930 km (0.118 R)
• M8: 3,641,212 km (0.116 R)
• M9: 4,160,616 km (0.103 R)
• M10: 4,604,622 km (0.111 R)
• M11: 6,468,163 km (0.11 R)
• M12: 7,695,913 km (0.059 R)
• M13: 8,092,646 km (0.033 R)
• M14: 9,120,085 km (0.094 R)
• M15: 9,614,805 km (0.056 R)
• M16: 10,765,811 km (0.085 R)
• M17: 11,318,425 km (0.058 R)
• M18: 15,037,578 km (0.083 R)
• M19: 15,518,535 km (0.115 R)
• M20: 15,727,673 km (0.076 R)
• M21: 16,151,783 km (0.056 R)
• M22: 19,417,654 km (0.084 R)
• M23: 24,109,492 km (0.04 R)
• M24: 29,080,180 km (0.08 R)
• M25: 30,694,790 km (0.118 R)
• M26: 32,824,615 km (0.082 R)
• M27: 34,692,943 km (0.102 R)
• M28: 37,752,369 km (0.08 R)
• M29: 39,153,652 km (0.094 R)
• M30: 41,521,039 km (0.079 R)
• M31: 43,427,065 km (0.058 R)
• M32: 47,266,195 km (0.08 R)
• M33: 49,796,045 km (0.074 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 13,312 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit