🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.7

Radius: 14.4

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.7 AU - 0.84 AU

Year: 436 Days

Day: 9.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,541,449 km

• M1: 179,069 km (0.087 R)
• M2: 651,050 km (0.114 R)
• M3: 1,248,245 km (0.109 R)
• M4: 1,917,246 km (0.036 R)
• M5: 2,451,610 km (0.116 R)
• M6: 3,410,831 km (0.068 R)
• M7: 3,966,139 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.4

Radius: 11.8

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.6 AU - 3.34 AU

Year: 3305 Days

Day: 6.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,541,449 km

• M1: 146,756 km (0.084 R)
• M2: 552,315 km (0.058 R)
• M3: 990,787 km (0.113 R)
• M4: 1,364,931 km (0.043 R)
• M5: 2,400,447 km (0.047 R)
• M6: 2,786,859 km (0.12 R)
• M7: 3,267,217 km (0.084 R)
• M8: 4,840,688 km (0.074 R)
• M9: 5,217,974 km (0.071 R)
• M10: 5,768,943 km (0.084 R)
• M11: 7,287,211 km (0.096 R)
• M12: 8,539,046 km (0.092 R)
• M13: 9,269,832 km (0.067 R)
• M14: 10,117,753 km (0.077 R)
• M15: 11,589,197 km (0.046 R)
• M16: 12,311,306 km (0.1 R)
• M17: 13,845,283 km (0.061 R)
• M18: 14,415,849 km (0.099 R)
• M19: 16,485,087 km (0.06 R)
• M20: 19,799,877 km (0.058 R)
• M21: 20,341,870 km (0.119 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.3

Radius: 4

Gravity: 29.64 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 7.88 AU - 8 AU

Year: 14446 Days

Day: 18.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,541,449 km

• M1: 50,265 km (0.112 R)
• M2: 198,367 km (0.066 R)
• M3: 330,013 km (0.099 R)
• M4: 587,770 km (0.114 R)
• M5: 979,567 km (0.102 R)
• M6: 1,263,952 km (0.049 R)
• M7: 1,647,073 km (0.076 R)
• M8: 2,121,896 km (0.071 R)
• M9: 2,769,954 km (0.079 R)
• M10: 3,020,531 km (0.117 R)
• M11: 5,999,922 km (0.084 R)
• M12: 6,150,118 km (0.069 R)
• M13: 9,970,997 km (0.099 R)
• M14: 12,766,533 km (0.094 R)
• M15: 13,141,126 km (0.087 R)
• M16: 15,899,561 km (0.12 R)
• M17: 16,260,241 km (0.04 R)
• M18: 17,223,801 km (0.108 R)
• M19: 22,526,597 km (0.096 R)
• M20: 25,643,319 km (0.057 R)
• M21: 28,609,396 km (0.051 R)
• M22: 34,007,635 km (0.086 R)
• M23: 39,517,923 km (0.08 R)
• M24: 39,781,664 km (0.119 R)
• M25: 46,029,769 km (0.104 R)
• M26: 49,156,963 km (0.047 R)
• M27: 51,318,652 km (0.119 R)
• M28: 53,381,906 km (0.102 R)
• M29: 53,704,140 km (0.06 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.4

Radius: 3.8

Gravity: 10.28 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.67 AU - 8.57 AU

Year: 14940 Days

Day: 24.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,541,449 km

• M1: 47,273 km (0.051 R)
• M2: 366,216 km (0.089 R)
• M3: 663,018 km (0.106 R)
• M4: 1,397,543 km (0.12 R)
• M5: 2,655,961 km (0.115 R)
• M6: 3,336,182 km (0.031 R)
• M7: 3,517,196 km (0.113 R)
• M8: 5,269,884 km (0.104 R)
• M9: 5,422,624 km (0.116 R)
• M10: 5,673,050 km (0.092 R)
• M11: 6,197,092 km (0.061 R)
• M12: 7,531,355 km (0.056 R)
• M13: 8,702,557 km (0.112 R)
• M14: 14,544,803 km (0.1 R)
• M15: 20,164,596 km (0.117 R)
• M16: 21,069,663 km (0.109 R)
• M17: 31,356,312 km (0.047 R)
• M18: 32,569,551 km (0.057 R)
• M19: 35,196,639 km (0.054 R)
• M20: 36,066,251 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.7

Radius: 3.8

Gravity: 21.59 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.74 AU - 9.5 AU

Year: 14940 Days

Day: 18.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,541,449 km

• M1: 47,423 km (0.086 R)
• M2: 499,358 km (0.089 R)
• M3: 737,966 km (0.115 R)
• M4: 2,058,467 km (0.068 R)
• M5: 2,349,584 km (0.107 R)
• M6: 3,512,558 km (0.12 R)
• M7: 5,710,151 km (0.057 R)
• M8: 6,173,007 km (0.119 R)
• M9: 7,376,821 km (0.114 R)
• M10: 14,719,682 km (0.099 R)
• M11: 27,769,254 km (0.047 R)
• M12: 29,712,231 km (0.1 R)
• M13: 38,889,462 km (0.06 R)
• M14: 43,302,450 km (0.11 R)
• M15: 43,978,184 km (0.081 R)
• M16: 45,628,847 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.8

Radius: 7.6

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 6.97 AU - 10.59 AU

Year: 16798 Days

Day: 15.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,541,449 km

• M1: 98,585 km (0.117 R)
• M2: 642,074 km (0.043 R)
• M3: 960,269 km (0.052 R)
• M4: 1,517,970 km (0.094 R)
• M5: 1,798,615 km (0.04 R)
• M6: 2,055,624 km (0.115 R)
• M7: 2,622,002 km (0.068 R)
• M8: 3,156,814 km (0.119 R)
• M9: 4,475,071 km (0.101 R)
• M10: 4,881,379 km (0.114 R)
• M11: 5,498,619 km (0.033 R)
• M12: 5,885,479 km (0.074 R)
• M13: 7,065,657 km (0.079 R)
• M14: 9,014,768 km (0.059 R)
• M15: 9,389,361 km (0.115 R)
• M16: 9,774,276 km (0.061 R)
• M17: 11,795,792 km (0.09 R)
• M18: 12,904,312 km (0.103 R)
• M19: 13,311,667 km (0.088 R)
• M20: 14,080,750 km (0.117 R)
• M21: 17,703,113 km (0.073 R)
• M22: 19,505,618 km (0.08 R)
• M23: 19,862,259 km (0.091 R)
• M24: 27,383,441 km (0.101 R)
• M25: 29,318,490 km (0.113 R)
• M26: 32,826,710 km (0.072 R)
• M27: 33,078,483 km (0.071 R)
• M28: 37,972,278 km (0.065 R)
• M29: 40,518,583 km (0.071 R)
• M30: 41,833,399 km (0.115 R)
• M31: 44,394,365 km (0.081 R)
• M32: 58,779,247 km (0.049 R)
• M33: 61,603,057 km (0.08 R)
• M34: 64,122,584 km (0.073 R)
• M35: 66,911,836 km (0.108 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 14,555 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit