🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.9

Radius: 14.4

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.8 AU - 1.28 AU

Year: 685 Days

Day: 14.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,749,646 km

• M1: 179,069 km (0.107 R)
• M2: 635,043 km (0.087 R)
• M3: 1,499,270 km (0.077 R)
• M4: 1,959,283 km (0.032 R)
• M5: 2,444,130 km (0.116 R)
• M6: 2,905,789 km (0.066 R)
• M7: 3,952,525 km (0.08 R)
• M8: 4,563,633 km (0.041 R)
• M9: 5,050,424 km (0.092 R)
• M10: 5,920,785 km (0.089 R)
• M11: 6,402,190 km (0.11 R)
• M12: 7,422,448 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.3

Radius: 10.8

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.06 AU - 3.46 AU

Year: 3801 Days

Day: 11.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 147.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,749,646 km

• M1: 134,339 km (0.118 R)
• M2: 499,806 km (0.091 R)
• M3: 923,916 km (0.095 R)
• M4: 2,645,788 km (0.049 R)
• M5: 3,041,624 km (0.098 R)
• M6: 3,495,205 km (0.069 R)
• M7: 4,495,715 km (0.081 R)
• M8: 4,922,668 km (0.117 R)
• M9: 5,425,915 km (0.04 R)
• M10: 9,023,744 km (0.087 R)
• M11: 10,654,211 km (0.057 R)
• M12: 11,050,795 km (0.088 R)
• M13: 15,424,737 km (0.053 R)
• M14: 16,609,702 km (0.105 R)
• M15: 18,986,363 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.7

Radius: 12.2

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.55 AU - 4.27 AU

Year: 4992 Days

Day: 14.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,749,646 km

• M1: 151,692 km (0.119 R)
• M2: 537,954 km (0.119 R)
• M3: 1,073,215 km (0.103 R)
• M4: 2,560,068 km (0.117 R)
• M5: 3,143,051 km (0.114 R)
• M6: 4,159,270 km (0.1 R)
• M7: 5,555,018 km (0.116 R)
• M8: 5,940,831 km (0.116 R)
• M9: 7,347,051 km (0.109 R)
• M10: 9,126,069 km (0.073 R)
• M11: 10,269,445 km (0.108 R)
• M12: 11,842,467 km (0.092 R)
• M13: 12,334,344 km (0.063 R)
• M14: 13,201,713 km (0.036 R)
• M15: 13,730,691 km (0.096 R)
• M16: 14,164,076 km (0.106 R)
• M17: 16,168,538 km (0.032 R)
• M18: 17,145,113 km (0.089 R)
• M19: 19,081,807 km (0.105 R)
• M20: 19,553,788 km (0.099 R)
• M21: 22,477,379 km (0.113 R)
• M22: 23,385,438 km (0.091 R)
• M23: 23,770,952 km (0.115 R)
• M24: 24,160,804 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.6

Radius: 13.6

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.55 AU - 5.73 AU

Year: 8648 Days

Day: 13.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,749,646 km

• M1: 190,438 km (0.102 R)
• M2: 1,094,308 km (0.06 R)
• M3: 1,745,807 km (0.044 R)
• M4: 2,362,300 km (0.113 R)
• M5: 4,346,417 km (0.093 R)
• M6: 6,826,600 km (0.069 R)
• M7: 7,804,820 km (0.051 R)
• M8: 10,133,610 km (0.113 R)
• M9: 12,838,040 km (0.071 R)
• M10: 13,626,122 km (0.051 R)
• M11: 20,074,837 km (0.046 R)
• M12: 20,601,272 km (0.039 R)
• M13: 35,192,749 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 473.6

Radius: 6.1

Gravity: 12.73 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.75 AU - 7.51 AU

Year: 11023 Days

Day: 18.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,749,646 km

• M1: 87,664 km (0.108 R)
• M2: 731,833 km (0.105 R)
• M3: 1,177,036 km (0.118 R)
• M4: 1,728,155 km (0.063 R)
• M5: 2,418,998 km (0.097 R)
• M6: 2,774,891 km (0.085 R)
• M7: 3,469,025 km (0.047 R)
• M8: 4,054,701 km (0.11 R)
• M9: 5,753,684 km (0.115 R)
• M10: 6,171,511 km (0.098 R)
• M11: 6,387,979 km (0.033 R)
• M12: 6,874,172 km (0.099 R)
• M13: 8,176,272 km (0.097 R)
• M14: 8,976,770 km (0.112 R)
• M15: 10,527,202 km (0.092 R)
• M16: 13,900,335 km (0.093 R)
• M17: 14,972,952 km (0.103 R)
• M18: 20,052,996 km (0.074 R)
• M19: 21,011,769 km (0.1 R)
• M20: 24,071,045 km (0.119 R)
• M21: 26,551,378 km (0.081 R)
• M22: 26,837,110 km (0.073 R)
• M23: 33,431,833 km (0.093 R)
• M24: 36,159,601 km (0.119 R)
• M25: 38,058,446 km (0.056 R)
• M26: 41,795,999 km (0.104 R)
• M27: 44,018,874 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.9

Radius: 4

Gravity: 24.06 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 7.38 AU - 12.02 AU

Year: 19506 Days

Day: 16.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,749,646 km

• M1: 49,816 km (0.104 R)
• M2: 266,434 km (0.074 R)
• M3: 536,009 km (0.062 R)
• M4: 800,498 km (0.062 R)
• M5: 1,048,980 km (0.105 R)
• M6: 2,369,331 km (0.097 R)
• M7: 2,561,415 km (0.085 R)
• M8: 3,099,668 km (0.1 R)
• M9: 5,024,095 km (0.083 R)
• M10: 5,823,396 km (0.119 R)
• M11: 7,176,210 km (0.032 R)
• M12: 8,575,997 km (0.112 R)
• M13: 9,497,819 km (0.098 R)
• M14: 9,657,739 km (0.1 R)
• M15: 12,657,326 km (0.106 R)
• M16: 14,897,255 km (0.072 R)
• M17: 18,276,372 km (0.103 R)
• M18: 20,055,539 km (0.092 R)
• M19: 25,255,262 km (0.088 R)
• M20: 28,992,965 km (0.086 R)
• M21: 29,555,303 km (0.11 R)
• M22: 34,318,649 km (0.095 R)
• M23: 34,443,863 km (0.083 R)
• M24: 38,613,754 km (0.052 R)
• M25: 48,408,674 km (0.107 R)
• M26: 53,789,410 km (0.12 R)
• M27: 53,958,306 km (0.086 R)
• M28: 55,151,200 km (0.075 R)
• M29: 57,766,320 km (0.117 R)
• M30: 59,555,062 km (0.089 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 19,326 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit