🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478

Radius: 11.2

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.48 AU - 0.62 AU

Year: 277 Days

Day: 11.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 88,855,490 km

• M1: 139,425 km (0.092 R)
• M2: 752,926 km (0.108 R)
• M3: 1,164,320 km (0.108 R)
• M4: 1,905,129 km (0.032 R)
• M5: 2,393,716 km (0.061 R)
• M6: 2,809,598 km (0.057 R)
• M7: 3,283,673 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.1

Radius: 13

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.51 AU - 0.65 AU

Year: 300 Days

Day: 12.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 88,855,490 km

• M1: 161,715 km (0.081 R)
• M2: 603,179 km (0.09 R)
• M3: 1,249,741 km (0.113 R)
• M4: 1,801,458 km (0.113 R)
• M5: 2,639,355 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.9

Radius: 10.4

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.11 AU - 1.33 AU

Year: 914 Days

Day: 12.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 88,855,490 km

• M1: 129,402 km (0.104 R)
• M2: 453,132 km (0.089 R)
• M3: 868,565 km (0.058 R)
• M4: 1,352,963 km (0.065 R)
• M5: 1,754,185 km (0.093 R)
• M6: 2,679,148 km (0.083 R)
• M7: 3,734,412 km (0.114 R)
• M8: 4,623,023 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.5

Radius: 13.3

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.52 AU - 2.14 AU

Year: 1679 Days

Day: 8.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,855,490 km

• M1: 165,455 km (0.106 R)
• M2: 682,615 km (0.074 R)
• M3: 1,149,660 km (0.114 R)
• M4: 2,387,732 km (0.1 R)
• M5: 2,815,133 km (0.101 R)
• M6: 3,389,738 km (0.064 R)
• M7: 3,827,312 km (0.071 R)
• M8: 4,776,660 km (0.037 R)
• M9: 5,806,941 km (0.038 R)
• M10: 6,744,022 km (0.056 R)
• M11: 7,249,214 km (0.067 R)
• M12: 7,894,429 km (0.111 R)
• M13: 8,395,881 km (0.1 R)
• M14: 9,076,252 km (0.101 R)
• M15: 9,693,194 km (0.071 R)
• M16: 12,056,392 km (0.063 R)
• M17: 14,257,874 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.9

Radius: 8.2

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.26 AU - 6.36 AU

Year: 8299 Days

Day: 11.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 88,855,490 km

• M1: 106,663 km (0.069 R)
• M2: 392,694 km (0.027 R)
• M3: 998,416 km (0.081 R)
• M4: 1,614,460 km (0.108 R)
• M5: 2,243,220 km (0.07 R)
• M6: 2,753,050 km (0.101 R)
• M7: 3,127,493 km (0.112 R)
• M8: 3,558,185 km (0.059 R)
• M9: 3,882,663 km (0.11 R)
• M10: 4,699,318 km (0.037 R)
• M11: 5,656,744 km (0.076 R)
• M12: 6,464,573 km (0.093 R)
• M13: 7,056,382 km (0.072 R)
• M14: 8,227,883 km (0.084 R)
• M15: 8,839,140 km (0.116 R)
• M16: 10,382,840 km (0.062 R)
• M17: 10,664,533 km (0.082 R)
• M18: 11,540,279 km (0.119 R)
• M19: 12,674,680 km (0.113 R)
• M20: 13,214,130 km (0.115 R)
• M21: 16,332,796 km (0.082 R)
• M22: 16,778,299 km (0.095 R)
• M23: 17,827,129 km (0.078 R)
• M24: 19,623,650 km (0.073 R)
• M25: 20,713,321 km (0.069 R)
• M26: 21,689,896 km (0.034 R)
• M27: 21,996,572 km (0.096 R)
• M28: 27,661,245 km (0.09 R)
• M29: 31,020,914 km (0.077 R)
• M30: 33,610,004 km (0.115 R)
• M31: 34,434,887 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 759.3

Radius: 4.7

Gravity: 34.37 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 8.42 AU - 13.12 AU

Year: 23973 Days

Day: 17.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 88,855,490 km

• M1: 58,493 km (0.08 R)
• M2: 408,701 km (0.097 R)
• M3: 812,316 km (0.114 R)
• M4: 1,225,655 km (0.1 R)
• M5: 1,462,618 km (0.028 R)
• M6: 1,786,947 km (0.1 R)
• M7: 2,092,425 km (0.052 R)
• M8: 2,968,171 km (0.099 R)
• M9: 3,487,276 km (0.102 R)
• M10: 5,489,494 km (0.068 R)
• M11: 6,133,812 km (0.12 R)
• M12: 8,478,011 km (0.109 R)
• M13: 9,277,611 km (0.109 R)
• M14: 10,441,483 km (0.047 R)
• M15: 11,906,943 km (0.051 R)
• M16: 12,472,124 km (0.096 R)
• M17: 13,885,974 km (0.076 R)
• M18: 14,912,813 km (0.063 R)
• M19: 18,952,405 km (0.028 R)
• M20: 19,819,773 km (0.092 R)
• M21: 21,323,830 km (0.082 R)
• M22: 24,557,089 km (0.048 R)
• M23: 25,819,994 km (0.082 R)
• M24: 29,356,039 km (0.034 R)
• M25: 30,385,422 km (0.088 R)
• M26: 31,572,032 km (0.114 R)
• M27: 31,839,962 km (0.044 R)
• M28: 32,652,428 km (0.116 R)
• M29: 40,125,290 km (0.095 R)
• M30: 40,282,219 km (0.032 R)
• M31: 41,873,940 km (0.044 R)
• M32: 45,182,446 km (0.113 R)
• M33: 52,313,777 km (0.108 R)
• M34: 53,634,277 km (0.038 R)
• M35: 54,398,723 km (0.113 R)
• M36: 57,330,093 km (0.118 R)
• M37: 57,928,783 km (0.031 R)
• M38: 74,283,571 km (0.216 R)
• M39: 78,375,072 km (0.217 R)
• M40: 79,606,562 km (0.118 R)
• M41: 83,122,860 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: 417 - 10,611 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit