🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.7

Radius: 12

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.45 AU - 0.59 AU

Year: 254 Days

Day: 12.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,446,510 km

• M1: 149,299 km (0.084 R)
• M2: 578,794 km (0.092 R)
• M3: 1,009,935 km (0.082 R)
• M4: 1,427,762 km (0.105 R)
• M5: 1,817,315 km (0.088 R)
• M6: 2,256,235 km (0.06 R)
• M7: 2,871,681 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.6

Radius: 9.8

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.26 AU - 1.34 AU

Year: 1005 Days

Day: 5.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,446,510 km

• M1: 121,922 km (0.045 R)
• M2: 448,794 km (0.112 R)
• M3: 812,616 km (0.107 R)
• M4: 1,126,023 km (0.12 R)
• M5: 1,775,727 km (0.104 R)
• M6: 2,104,393 km (0.101 R)
• M7: 2,770,852 km (0.093 R)
• M8: 3,384,652 km (0.113 R)
• M9: 4,027,175 km (0.118 R)
• M10: 4,409,248 km (0.098 R)
• M11: 5,835,963 km (0.09 R)
• M12: 7,081,365 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.1

Radius: 14.2

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.74 AU - 2.28 AU

Year: 1933 Days

Day: 11.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,446,510 km

• M1: 177,423 km (0.067 R)
• M2: 1,092,064 km (0.071 R)
• M3: 1,645,427 km (0.068 R)
• M4: 2,120,699 km (0.105 R)
• M5: 3,017,987 km (0.064 R)
• M6: 3,889,245 km (0.07 R)
• M7: 4,727,592 km (0.069 R)
• M8: 5,515,823 km (0.058 R)
• M9: 6,337,863 km (0.082 R)
• M10: 7,183,241 km (0.117 R)
• M11: 7,827,709 km (0.102 R)
• M12: 9,644,126 km (0.102 R)
• M13: 13,519,758 km (0.114 R)
• M14: 14,550,338 km (0.115 R)
• M15: 15,108,487 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900

Radius: 14.4

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.39 AU - 3.11 AU

Year: 3093 Days

Day: 12.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,446,510 km

• M1: 179,069 km (0.065 R)
• M2: 713,582 km (0.11 R)
• M3: 1,625,680 km (0.117 R)
• M4: 2,087,189 km (0.108 R)
• M5: 2,717,146 km (0.074 R)
• M6: 4,079,534 km (0.114 R)
• M7: 5,722,567 km (0.094 R)
• M8: 7,805,568 km (0.066 R)
• M9: 8,636,883 km (0.057 R)
• M10: 10,394,958 km (0.064 R)
• M11: 13,707,653 km (0.027 R)
• M12: 14,711,754 km (0.069 R)
• M13: 15,284,714 km (0.106 R)
• M14: 15,926,638 km (0.088 R)
• M15: 17,379,383 km (0.065 R)
• M16: 18,858,008 km (0.08 R)
• M17: 20,291,006 km (0.084 R)
• M18: 22,816,218 km (0.081 R)
• M19: 23,303,160 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530.4

Radius: 6.8

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 7.25 AU - 11.17 AU

Year: 18957 Days

Day: 17.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,446,510 km

• M1: 84,523 km (0.066 R)
• M2: 360,381 km (0.103 R)
• M3: 591,510 km (0.096 R)
• M4: 1,469,649 km (0.058 R)
• M5: 2,071,183 km (0.045 R)
• M6: 2,311,736 km (0.104 R)
• M7: 3,200,048 km (0.103 R)
• M8: 5,859,749 km (0.049 R)
• M9: 9,069,371 km (0.069 R)
• M10: 11,165,835 km (0.068 R)
• M11: 11,410,278 km (0.116 R)
• M12: 13,496,271 km (0.088 R)
• M13: 13,984,409 km (0.079 R)
• M14: 15,747,420 km (0.072 R)
• M15: 16,761,843 km (0.096 R)
• M16: 20,793,506 km (0.112 R)
• M17: 23,279,822 km (0.116 R)
• M18: 25,427,599 km (0.051 R)
• M19: 26,064,587 km (0.116 R)
• M20: 27,370,726 km (0.097 R)
• M21: 30,825,539 km (0.08 R)
• M22: 34,431,446 km (0.064 R)
• M23: 43,816,618 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205

Radius: 3.4

Gravity: 17.73 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 8.56 AU - 10.84 AU

Year: 20490 Days

Day: 24 Hours

Environment

Temp: -235 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,446,510 km

• M1: 43,982 km (0.11 R)
• M2: 364,271 km (0.093 R)
• M3: 577,747 km (0.03 R)
• M4: 704,456 km (0.118 R)
• M5: 971,788 km (0.111 R)
• M6: 1,423,723 km (0.044 R)
• M7: 1,849,329 km (0.091 R)
• M8: 2,239,181 km (0.064 R)
• M9: 2,811,542 km (0.069 R)
• M10: 3,131,532 km (0.111 R)
• M11: 3,981,697 km (0.094 R)
• M12: 4,266,980 km (0.116 R)
• M13: 4,814,807 km (0.112 R)
• M14: 5,581,048 km (0.089 R)
• M15: 6,386,782 km (0.112 R)
• M16: 6,938,200 km (0.07 R)
• M17: 8,782,143 km (0.055 R)
• M18: 9,069,820 km (0.107 R)
• M19: 10,388,974 km (0.094 R)
• M20: 11,317,378 km (0.113 R)
• M21: 11,486,873 km (0.076 R)
• M22: 12,538,994 km (0.111 R)
• M23: 12,659,720 km (0.044 R)
• M24: 12,781,193 km (0.074 R)
• M25: 12,903,564 km (0.087 R)
• M26: 17,466,748 km (0.078 R)
• M27: 17,693,090 km (0.111 R)
• M28: 22,107,873 km (0.072 R)
• M29: 23,270,697 km (0.043 R)
• M30: 25,330,061 km (0.102 R)
• M31: 25,619,982 km (0.073 R)
• M32: 28,225,977 km (0.097 R)
• M33: 32,005,567 km (0.11 R)
• M34: 34,664,669 km (0.103 R)
• M35: 36,598,820 km (0.026 R)
• M36: 40,154,612 km (0.083 R)
• M37: 49,733,962 km (0.07 R)
• M38: 50,645,611 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 44.7

Radius: 6.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 7.92 AU - 12.9 AU

Year: 22781 Days

Day: 15.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,446,510 km

• M1: 86,468 km (0.06 R)
• M2: 340,634 km (0.097 R)
• M3: 658,081 km (0.117 R)
• M4: 1,490,294 km (0.115 R)
• M5: 1,857,258 km (0.06 R)
• M6: 5,569,978 km (0.038 R)
• M7: 8,221,749 km (0.088 R)
• M8: 9,237,669 km (0.078 R)
• M9: 9,797,763 km (0.088 R)
• M10: 10,656,904 km (0.111 R)
• M11: 11,516,194 km (0.076 R)
• M12: 12,680,364 km (0.09 R)
• M13: 13,535,167 km (0.049 R)
• M14: 13,754,776 km (0.076 R)
• M15: 17,534,815 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.7

Radius: 6.3

Gravity: 12.39 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 8.47 AU - 12.67 AU

Year: 23308 Days

Day: 20.1 Hours

Environment

Temp: -245 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,446,510 km

• M1: 81,531 km (0.047 R)
• M2: 766,390 km (0.097 R)
• M3: 1,403,078 km (0.116 R)
• M4: 1,697,637 km (0.086 R)
• M5: 8,361,474 km (0.114 R)
• M6: 8,623,569 km (0.059 R)
• M7: 8,999,808 km (0.034 R)
• M8: 10,313,128 km (0.068 R)
• M9: 14,707,715 km (0.081 R)
• M10: 16,195,615 km (0.053 R)
• M11: 19,928,381 km (0.046 R)
• M12: 21,746,444 km (0.057 R)
• M13: 23,776,487 km (0.072 R)
• M14: 27,053,429 km (0.111 R)
• M15: 30,619,393 km (0.105 R)
• M16: 31,117,255 km (0.092 R)
• M17: 38,811,672 km (0.105 R)
• M18: 41,786,126 km (0.057 R)
• M19: 53,210,616 km (0.108 R)
• M20: 54,474,120 km (0.062 R)
• M21: 56,499,974 km (0.071 R)
• M22: 61,882,206 km (0.09 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 15,864 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit