🌌 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: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.9

Radius: 10.6

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.51 AU - 0.75 AU

Year: 339 Days

Day: 13.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,120,924 km

• M1: 132,394 km (0.089 R)
• M2: 468,092 km (0.111 R)
• M3: 1,017,415 km (0.082 R)
• M4: 1,367,325 km (0.054 R)
• M5: 2,480,333 km (0.114 R)
• M6: 2,813,038 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.3

Radius: 10.7

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.68 AU - 0.78 AU

Year: 423 Days

Day: 6.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 143.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,120,924 km

• M1: 133,740 km (0.11 R)
• M2: 484,099 km (0.12 R)
• M3: 820,844 km (0.095 R)
• M4: 1,466,358 km (0.104 R)
• M5: 2,018,674 km (0.118 R)
• M6: 2,513,095 km (0.116 R)
• M7: 3,567,460 km (0.092 R)
• M8: 5,934,248 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.9

Radius: 15

Gravity: 0.05 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.73 AU - 0.85 AU

Year: 476 Days

Day: 5.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 68,120,924 km

• M1: 192,233 km (0.102 R)
• M2: 708,196 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.3

Radius: 14

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.81 AU - 1.29 AU

Year: 730 Days

Day: 6.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,120,924 km

• M1: 174,132 km (0.119 R)
• M2: 910,901 km (0.103 R)
• M3: 1,438,832 km (0.055 R)
• M4: 1,952,701 km (0.099 R)
• M5: 3,209,473 km (0.067 R)
• M6: 4,059,189 km (0.116 R)
• M7: 4,537,902 km (0.088 R)
• M8: 5,372,209 km (0.079 R)
• M9: 5,816,964 km (0.108 R)
• M10: 6,367,035 km (0.095 R)
• M11: 7,664,049 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.9

Radius: 8.2

Gravity: 11.81 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.43 AU - 1.55 AU

Year: 1234 Days

Day: 12.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,120,924 km

• M1: 102,026 km (0.068 R)
• M2: 365,019 km (0.107 R)
• M3: 650,900 km (0.119 R)
• M4: 1,185,114 km (0.074 R)
• M5: 1,496,428 km (0.083 R)
• M6: 1,841,999 km (0.118 R)
• M7: 2,369,630 km (0.092 R)
• M8: 2,748,262 km (0.084 R)
• M9: 3,484,733 km (0.08 R)
• M10: 4,401,319 km (0.043 R)
• M11: 5,343,486 km (0.042 R)
• M12: 5,997,079 km (0.071 R)
• M13: 7,025,415 km (0.111 R)
• M14: 8,944,008 km (0.092 R)
• M15: 9,706,807 km (0.115 R)
• M16: 10,413,209 km (0.086 R)
• M17: 10,745,465 km (0.117 R)
• M18: 11,222,383 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.2

Radius: 8.8

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.02 AU - 2.16 AU

Year: 2049 Days

Day: 11.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,120,924 km

• M1: 109,506 km (0.046 R)
• M2: 406,158 km (0.103 R)
• M3: 700,118 km (0.091 R)
• M4: 1,102,985 km (0.028 R)
• M5: 1,689,110 km (0.078 R)
• M6: 2,059,364 km (0.064 R)
• M7: 2,777,434 km (0.046 R)
• M8: 3,525,573 km (0.115 R)
• M9: 3,802,927 km (0.119 R)
• M10: 4,465,048 km (0.072 R)
• M11: 5,440,575 km (0.042 R)
• M12: 5,761,912 km (0.068 R)
• M13: 6,361,500 km (0.103 R)
• M14: 9,252,180 km (0.047 R)
• M15: 9,710,996 km (0.114 R)
• M16: 11,179,000 km (0.101 R)
• M17: 12,069,556 km (0.1 R)
• M18: 13,182,116 km (0.12 R)
• M19: 14,881,248 km (0.112 R)
• M20: 16,008,169 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652

Radius: 9.2

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.67 AU - 4.21 AU

Year: 4327 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 52.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,120,924 km

• M1: 114,442 km (0.057 R)
• M2: 524,191 km (0.105 R)
• M3: 986,448 km (0.029 R)
• M4: 1,833,472 km (0.091 R)
• M5: 2,529,700 km (0.04 R)
• M6: 4,534,910 km (0.111 R)
• M7: 5,220,966 km (0.102 R)
• M8: 5,631,163 km (0.083 R)
• M9: 5,974,640 km (0.112 R)
• M10: 7,322,217 km (0.077 R)
• M11: 9,092,858 km (0.093 R)
• M12: 10,867,388 km (0.107 R)
• M13: 11,446,481 km (0.06 R)
• M14: 13,919,035 km (0.094 R)
• M15: 14,336,712 km (0.111 R)
• M16: 15,087,992 km (0.071 R)
• M17: 16,092,093 km (0.049 R)
• M18: 17,680,972 km (0.067 R)
• M19: 18,047,637 km (0.076 R)
• M20: 19,630,981 km (0.08 R)
• M21: 20,962,850 km (0.079 R)
• M22: 22,070,772 km (0.119 R)
• M23: 23,879,560 km (0.039 R)
• M24: 26,336,107 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.8

Radius: 7

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.09 AU - 7.29 AU

Year: 10445 Days

Day: 22 Hours

Environment

Temp: -238 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,120,924 km

• M1: 98,884 km (0.071 R)
• M2: 761,902 km (0.109 R)
• M3: 1,183,020 km (0.081 R)
• M4: 1,428,360 km (0.04 R)
• M5: 1,988,006 km (0.105 R)
• M6: 4,166,450 km (0.091 R)
• M7: 6,305,700 km (0.088 R)
• M8: 7,970,575 km (0.112 R)
• M9: 9,594,759 km (0.065 R)
• M10: 13,138,583 km (0.105 R)
• M11: 13,657,089 km (0.114 R)
• M12: 15,342,159 km (0.061 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.8

Radius: 6.9

Gravity: 10.88 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.41 AU - 7.89 AU

Year: 12967 Days

Day: 22.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 98.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,120,924 km

• M1: 85,869 km (0.039 R)
• M2: 363,672 km (0.045 R)
• M3: 586,723 km (0.104 R)
• M4: 925,263 km (0.067 R)
• M5: 1,915,002 km (0.092 R)
• M6: 2,444,280 km (0.1 R)
• M7: 3,353,835 km (0.086 R)
• M8: 4,121,571 km (0.102 R)
• M9: 4,561,987 km (0.068 R)
• M10: 6,722,180 km (0.085 R)
• M11: 6,961,986 km (0.042 R)
• M12: 7,249,064 km (0.106 R)
• M13: 7,979,251 km (0.12 R)
• M14: 9,484,954 km (0.119 R)
• M15: 10,043,702 km (0.03 R)
• M16: 10,840,610 km (0.118 R)
• M17: 14,060,255 km (0.069 R)
• M18: 14,519,521 km (0.079 R)
• M19: 16,820,336 km (0.094 R)
• M20: 18,326,936 km (0.109 R)
• M21: 20,752,516 km (0.093 R)
• M22: 21,433,785 km (0.083 R)
• M23: 23,021,018 km (0.115 R)
• M24: 23,475,496 km (0.097 R)
• M25: 24,496,352 km (0.118 R)
• M26: 26,825,890 km (0.093 R)
• M27: 27,941,292 km (0.113 R)
• M28: 29,832,807 km (0.074 R)
• M29: 30,700,176 km (0.098 R)
• M30: 31,361,698 km (0.067 R)
• M31: 38,380,979 km (0.119 R)
• M32: 39,406,772 km (0.097 R)
• M33: 45,661,758 km (0.099 R)
• M34: 46,523,442 km (0.117 R)
• M35: 48,279,272 km (0.085 R)
• M36: 49,323,764 km (0.107 R)
• M37: 50,995,221 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716

Radius: 4.1

Gravity: 42.59 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.37 AU - 10.47 AU

Year: 16571 Days

Day: 20.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 68,120,924 km

• M1: 55,351 km (0.117 R)
• M2: 222,153 km (0.101 R)
• M3: 385,364 km (0.106 R)
• M4: 547,977 km (0.112 R)
• M5: 1,317,808 km (0.031 R)
• M6: 1,529,339 km (0.105 R)
• M7: 2,541,967 km (0.108 R)
• M8: 3,786,173 km (0.094 R)
• M9: 3,965,840 km (0.087 R)
• M10: 4,776,810 km (0.106 R)
• M11: 5,538,861 km (0.027 R)
• M12: 5,692,797 km (0.042 R)
• M13: 6,939,247 km (0.028 R)
• M14: 7,254,450 km (0.107 R)
• M15: 7,578,927 km (0.099 R)
• M16: 8,059,286 km (0.035 R)
• M17: 8,817,598 km (0.117 R)
• M18: 9,567,083 km (0.116 R)
• M19: 10,769,551 km (0.12 R)
• M20: 11,070,093 km (0.095 R)
• M21: 12,133,734 km (0.109 R)
• M22: 14,680,637 km (0.095 R)
• M23: 17,315,954 km (0.055 R)
• M24: 17,728,395 km (0.074 R)
• M25: 19,004,764 km (0.111 R)
• M26: 22,412,603 km (0.068 R)
• M27: 24,516,997 km (0.087 R)
• M28: 25,776,910 km (0.119 R)
• M29: 26,640,389 km (0.07 R)
• M30: 33,867,612 km (0.06 R)
• M31: 33,995,967 km (0.1 R)
• M32: 34,382,677 km (0.107 R)
• M33: 43,498,423 km (0.108 R)
• M34: 51,855,559 km (0.089 R)
• M35: 55,691,398 km (0.1 R)
• M36: 64,510,940 km (0.087 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: 164 - 16,990 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit