🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.8

Radius: 10.1

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.09 AU - 1.57 AU

Year: 1059 Days

Day: 5.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 157.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,948,772 km

• M1: 125,662 km (0.116 R)
• M2: 460,313 km (0.091 R)
• M3: 870,660 km (0.119 R)
• M4: 1,276,668 km (0.094 R)
• M5: 2,039,767 km (0.076 R)
• M6: 2,573,532 km (0.113 R)
• M7: 3,490,567 km (0.089 R)
• M8: 3,827,162 km (0.115 R)
• M9: 4,642,321 km (0.12 R)
• M10: 5,297,410 km (0.111 R)
• M11: 5,708,655 km (0.048 R)
• M12: 6,422,536 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.1

Radius: 10.2

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.87 AU - 1.95 AU

Year: 1822 Days

Day: 10.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,948,772 km

• M1: 128,355 km (0.082 R)
• M2: 450,140 km (0.109 R)
• M3: 844,330 km (0.082 R)
• M4: 1,922,033 km (0.082 R)
• M5: 2,800,323 km (0.079 R)
• M6: 3,940,408 km (0.066 R)
• M7: 4,607,614 km (0.088 R)
• M8: 6,166,723 km (0.095 R)
• M9: 7,045,312 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.1

Radius: 14.7

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.85 AU - 2.07 AU

Year: 1894 Days

Day: 6.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,948,772 km

• M1: 216,618 km (0.032 R)
• M2: 1,053,767 km (0.106 R)
• M3: 4,120,075 km (0.054 R)
• M4: 5,605,133 km (0.077 R)
• M5: 6,548,198 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.2

Radius: 12.6

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.22 AU - 3.26 AU

Year: 3131 Days

Day: 5.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,948,772 km

• M1: 156,779 km (0.115 R)
• M2: 695,780 km (0.114 R)
• M3: 1,257,071 km (0.061 R)
• M4: 2,694,108 km (0.112 R)
• M5: 3,107,148 km (0.103 R)
• M6: 5,500,115 km (0.078 R)
• M7: 7,224,231 km (0.099 R)
• M8: 12,337,486 km (0.06 R)
• M9: 13,787,837 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.7

Radius: 8.6

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.81 AU - 2.83 AU

Year: 3269 Days

Day: 12.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,948,772 km

• M1: 109,805 km (0.108 R)
• M2: 439,818 km (0.095 R)
• M3: 736,620 km (0.056 R)
• M4: 1,039,406 km (0.064 R)
• M5: 1,592,769 km (0.106 R)
• M6: 2,508,158 km (0.112 R)
• M7: 2,845,052 km (0.035 R)
• M8: 3,179,104 km (0.083 R)
• M9: 3,521,384 km (0.107 R)
• M10: 3,964,643 km (0.092 R)
• M11: 4,361,975 km (0.106 R)
• M12: 5,425,017 km (0.106 R)
• M13: 5,715,985 km (0.115 R)
• M14: 6,408,922 km (0.12 R)
• M15: 6,761,973 km (0.08 R)
• M16: 8,660,370 km (0.105 R)
• M17: 9,025,090 km (0.065 R)
• M18: 9,399,833 km (0.049 R)
• M19: 16,095,684 km (0.109 R)
• M20: 17,472,583 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.7

Radius: 5.3

Gravity: 21.42 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.59 AU - 6.95 AU

Year: 9567 Days

Day: 20.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 95.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,948,772 km

• M1: 66,571 km (0.044 R)
• M2: 356,941 km (0.095 R)
• M3: 628,909 km (0.102 R)
• M4: 922,570 km (0.097 R)
• M5: 2,230,055 km (0.045 R)
• M6: 2,508,008 km (0.081 R)
• M7: 3,022,326 km (0.114 R)
• M8: 4,285,829 km (0.058 R)
• M9: 8,394,834 km (0.082 R)
• M10: 12,687,096 km (0.044 R)
• M11: 15,462,137 km (0.086 R)
• M12: 19,756,942 km (0.105 R)
• M13: 20,781,987 km (0.111 R)
• M14: 21,842,187 km (0.036 R)
• M15: 22,343,340 km (0.045 R)
• M16: 22,766,851 km (0.096 R)
• M17: 25,789,925 km (0.104 R)
• M18: 38,464,455 km (0.099 R)
• M19: 42,081,582 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 764.7

Radius: 7.6

Gravity: 13.24 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.41 AU - 7.25 AU

Year: 9717 Days

Day: 20.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,948,772 km

• M1: 94,546 km (0.067 R)
• M2: 333,753 km (0.114 R)
• M3: 960,119 km (0.119 R)
• M4: 1,517,072 km (0.099 R)
• M5: 2,128,628 km (0.106 R)
• M6: 2,423,186 km (0.068 R)
• M7: 3,027,113 km (0.051 R)
• M8: 3,965,391 km (0.083 R)
• M9: 4,531,020 km (0.116 R)
• M10: 4,833,358 km (0.096 R)
• M11: 5,411,703 km (0.077 R)
• M12: 5,683,223 km (0.12 R)
• M13: 7,975,661 km (0.082 R)
• M14: 10,195,544 km (0.115 R)
• M15: 11,697,656 km (0.115 R)
• M16: 15,001,226 km (0.107 R)
• M17: 16,937,172 km (0.119 R)
• M18: 18,115,255 km (0.069 R)
• M19: 21,130,699 km (0.101 R)
• M20: 28,745,081 km (0.075 R)
• M21: 29,053,851 km (0.117 R)
• M22: 30,311,221 km (0.113 R)
• M23: 32,043,714 km (0.103 R)
• M24: 32,486,973 km (0.078 R)
• M25: 34,532,125 km (0.071 R)
• M26: 34,998,123 km (0.096 R)
• M27: 36,541,225 km (0.086 R)
• M28: 40,018,029 km (0.076 R)
• M29: 42,100,581 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.2

Radius: 5.3

Gravity: 23.68 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 6.3 AU - 7.96 AU

Year: 13142 Days

Day: 22.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 56,948,772 km

• M1: 65,973 km (0.108 R)
• M2: 403,166 km (0.025 R)
• M3: 570,417 km (0.104 R)
• M4: 740,061 km (0.069 R)
• M5: 954,734 km (0.088 R)
• M6: 1,744,162 km (0.105 R)
• M7: 2,018,524 km (0.093 R)
• M8: 2,185,326 km (0.112 R)
• M9: 2,361,402 km (0.112 R)
• M10: 2,567,997 km (0.046 R)
• M11: 3,414,272 km (0.097 R)
• M12: 5,495,029 km (0.03 R)
• M13: 5,934,099 km (0.103 R)
• M14: 7,700,550 km (0.108 R)
• M15: 8,344,120 km (0.117 R)
• M16: 8,630,750 km (0.073 R)
• M17: 11,107,193 km (0.061 R)
• M18: 11,337,574 km (0.118 R)
• M19: 11,987,726 km (0.083 R)
• M20: 12,230,224 km (0.111 R)
• M21: 15,615,325 km (0.115 R)
• M22: 19,326,998 km (0.091 R)
• M23: 19,744,376 km (0.04 R)
• M24: 20,082,766 km (0.117 R)
• M25: 20,597,383 km (0.07 R)
• M26: 30,859,049 km (0.106 R)
• M27: 33,301,234 km (0.102 R)
• M28: 35,122,588 km (0.084 R)
• M29: 38,042,439 km (0.097 R)
• M30: 42,228,487 km (0.025 R)
• M31: 43,498,872 km (0.113 R)
• M32: 44,071,682 km (0.09 R)
• M33: 46,412,889 km (0.073 R)
• M34: 47,010,981 km (0.104 R)
• M35: 48,069,835 km (0.107 R)
• M36: 49,765,826 km (0.117 R)
• M37: 51,821,002 km (0.092 R)
• M38: 52,950,765 km (0.096 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 13,166 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit