🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.8

Radius: 9.3

Gravity: 10.81 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.59 AU - 0.83 AU

Year: 392 Days

Day: 11.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 80.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,650,243 km

• M1: 115,789 km (0.098 R)
• M2: 438,471 km (0.078 R)
• M3: 761,304 km (0.118 R)
• M4: 1,090,868 km (0.034 R)
• M5: 1,410,409 km (0.053 R)
• M6: 1,709,754 km (0.12 R)
• M7: 2,708,320 km (0.111 R)
• M8: 3,635,527 km (0.107 R)
• M9: 4,193,228 km (0.08 R)
• M10: 5,215,879 km (0.064 R)
• M11: 5,563,096 km (0.074 R)
• M12: 6,104,042 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.6

Radius: 9.2

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.69 AU - 0.89 AU

Year: 461 Days

Day: 12 Hours

Environment

Temp: -150 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,650,243 km

• M1: 115,190 km (0.082 R)
• M2: 430,991 km (0.114 R)
• M3: 759,658 km (0.045 R)
• M4: 1,206,507 km (0.031 R)
• M5: 1,512,883 km (0.057 R)
• M6: 1,913,357 km (0.089 R)
• M7: 2,231,103 km (0.08 R)
• M8: 2,625,891 km (0.111 R)
• M9: 3,660,660 km (0.114 R)
• M10: 3,985,287 km (0.111 R)
• M11: 4,418,224 km (0.064 R)
• M12: 4,866,269 km (0.093 R)
• M13: 5,621,439 km (0.081 R)
• M14: 6,167,023 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778

Radius: 11.1

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.57 AU - 2.11 AU

Year: 1637 Days

Day: 11 Hours

Environment

Temp: -183 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,650,243 km

• M1: 146,905 km (0.085 R)
• M2: 562,937 km (0.063 R)
• M3: 920,027 km (0.1 R)
• M4: 1,358,648 km (0.113 R)
• M5: 1,747,453 km (0.116 R)
• M6: 2,320,861 km (0.091 R)
• M7: 3,168,333 km (0.077 R)
• M8: 4,362,872 km (0.065 R)
• M9: 4,946,454 km (0.067 R)
• M10: 6,245,262 km (0.033 R)
• M11: 6,622,249 km (0.1 R)
• M12: 7,175,462 km (0.047 R)
• M13: 7,874,084 km (0.094 R)
• M14: 8,617,436 km (0.034 R)
• M15: 9,309,775 km (0.118 R)
• M16: 10,106,832 km (0.071 R)
• M17: 11,276,388 km (0.076 R)
• M18: 12,027,968 km (0.039 R)
• M19: 12,376,830 km (0.116 R)
• M20: 13,054,359 km (0.111 R)
• M21: 13,630,760 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.3

Radius: 9.2

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.86 AU - 2.7 AU

Year: 2258 Days

Day: 13.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,650,243 km

• M1: 114,891 km (0.069 R)
• M2: 420,520 km (0.112 R)
• M3: 851,062 km (0.11 R)
• M4: 1,406,370 km (0.072 R)
• M5: 1,727,107 km (0.029 R)
• M6: 2,071,631 km (0.092 R)
• M7: 2,578,170 km (0.111 R)
• M8: 2,885,145 km (0.116 R)
• M9: 3,268,564 km (0.118 R)
• M10: 3,685,792 km (0.111 R)
• M11: 4,036,899 km (0.078 R)
• M12: 4,605,370 km (0.034 R)
• M13: 4,990,136 km (0.068 R)
• M14: 5,696,089 km (0.084 R)
• M15: 6,691,662 km (0.097 R)
• M16: 7,186,233 km (0.071 R)
• M17: 7,519,088 km (0.055 R)
• M18: 8,248,378 km (0.088 R)
• M19: 9,774,276 km (0.08 R)
• M20: 10,070,779 km (0.102 R)
• M21: 11,644,249 km (0.116 R)
• M22: 13,239,860 km (0.108 R)
• M23: 14,976,243 km (0.069 R)
• M24: 18,329,778 km (0.09 R)
• M25: 18,952,704 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.1

Radius: 11.6

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.18 AU - 6.26 AU

Year: 8974 Days

Day: 9.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,650,243 km

• M1: 144,212 km (0.103 R)
• M2: 696,079 km (0.115 R)
• M3: 1,653,356 km (0.106 R)
• M4: 2,042,460 km (0.063 R)
• M5: 2,842,360 km (0.066 R)
• M6: 3,663,053 km (0.118 R)
• M7: 4,165,104 km (0.082 R)
• M8: 4,686,752 km (0.118 R)
• M9: 6,106,136 km (0.111 R)
• M10: 7,612,736 km (0.114 R)
• M11: 9,353,756 km (0.088 R)
• M12: 10,339,756 km (0.07 R)
• M13: 11,299,277 km (0.086 R)
• M14: 14,479,279 km (0.073 R)
• M15: 14,872,272 km (0.077 R)
• M16: 17,069,117 km (0.097 R)
• M17: 18,670,861 km (0.057 R)
• M18: 19,136,709 km (0.088 R)
• M19: 21,078,490 km (0.088 R)
• M20: 23,224,621 km (0.079 R)
• M21: 23,686,280 km (0.112 R)
• M22: 24,469,125 km (0.092 R)
• M23: 26,252,332 km (0.114 R)
• M24: 27,345,892 km (0.09 R)
• M25: 29,713,727 km (0.067 R)
• M26: 30,624,479 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 194.7

Radius: 3.5

Gravity: 15.89 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.38 AU - 10.26 AU

Year: 15743 Days

Day: 19.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,650,243 km

• M1: 111,750 km (0.112 R)
• M2: 227,987 km (0.06 R)
• M3: 1,703,471 km (0.117 R)
• M4: 1,839,156 km (0.073 R)
• M5: 2,456,098 km (0.109 R)
• M6: 3,798,140 km (0.064 R)
• M7: 6,138,599 km (0.078 R)
• M8: 6,604,596 km (0.078 R)
• M9: 8,883,271 km (0.111 R)
• M10: 13,678,182 km (0.034 R)
• M11: 13,979,472 km (0.111 R)
• M12: 21,130,101 km (0.1 R)
• M13: 26,955,143 km (0.059 R)
• M14: 32,469,320 km (0.088 R)
• M15: 34,870,216 km (0.101 R)
• M16: 39,291,432 km (0.1 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 10,791 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit