🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.4

Radius: 9.5

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.53 AU - 0.55 AU

Year: 269 Days

Day: 13.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,263,625 km

• M1: 118,182 km (0.08 R)
• M2: 465,249 km (0.102 R)
• M3: 845,078 km (0.083 R)
• M4: 1,172,847 km (0.081 R)
• M5: 1,787,096 km (0.076 R)
• M6: 2,340,459 km (0.065 R)
• M7: 2,685,581 km (0.1 R)
• M8: 3,074,984 km (0.086 R)
• M9: 3,380,613 km (0.108 R)
• M10: 3,788,566 km (0.081 R)
• M11: 4,254,414 km (0.105 R)
• M12: 4,568,121 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.3

Radius: 15

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.8 AU - 0.86 AU

Year: 513 Days

Day: 6.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,263,625 km

• M1: 186,848 km (0.091 R)
• M2: 756,816 km (0.085 R)
• M3: 1,305,989 km (0.112 R)
• M4: 1,918,742 km (0.057 R)
• M5: 2,425,281 km (0.08 R)
• M6: 2,905,639 km (0.105 R)
• M7: 3,630,441 km (0.12 R)
• M8: 4,473,724 km (0.041 R)
• M9: 5,591,819 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.9

Radius: 10.3

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.4 AU - 2.52 AU

Year: 2617 Days

Day: 7.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,263,625 km

• M1: 128,205 km (0.12 R)
• M2: 461,210 km (0.105 R)
• M3: 825,930 km (0.118 R)
• M4: 1,611,169 km (0.058 R)
• M5: 2,186,522 km (0.041 R)
• M6: 4,517,257 km (0.092 R)
• M7: 6,143,386 km (0.095 R)
• M8: 6,754,643 km (0.082 R)
• M9: 7,267,016 km (0.035 R)
• M10: 8,460,956 km (0.086 R)
• M11: 10,227,109 km (0.114 R)
• M12: 10,939,793 km (0.097 R)
• M13: 14,829,338 km (0.071 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.2

Radius: 3.4

Gravity: 47.85 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.91 AU - 6.67 AU

Year: 10700 Days

Day: 15.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 73,263,625 km

• M1: 43,084 km (0.1 R)
• M2: 212,728 km (0.06 R)
• M3: 393,592 km (0.11 R)
• M4: 703,409 km (0.085 R)
• M5: 1,088,474 km (0.037 R)
• M6: 1,941,481 km (0.069 R)
• M7: 2,077,017 km (0.09 R)
• M8: 2,329,538 km (0.076 R)
• M9: 2,602,255 km (0.084 R)
• M10: 2,961,439 km (0.088 R)
• M11: 3,376,723 km (0.097 R)
• M12: 4,043,481 km (0.081 R)
• M13: 5,073,911 km (0.067 R)
• M14: 5,632,360 km (0.087 R)
• M15: 6,230,901 km (0.12 R)
• M16: 6,870,581 km (0.069 R)
• M17: 7,307,108 km (0.074 R)
• M18: 7,761,886 km (0.076 R)
• M19: 11,541,925 km (0.045 R)
• M20: 15,569,099 km (0.087 R)
• M21: 15,975,856 km (0.052 R)
• M22: 17,747,394 km (0.097 R)
• M23: 20,200,350 km (0.092 R)
• M24: 22,783,157 km (0.077 R)
• M25: 26,429,755 km (0.097 R)
• M26: 29,406,902 km (0.093 R)
• M27: 35,198,883 km (0.047 R)
• M28: 36,134,169 km (0.105 R)
• M29: 37,932,485 km (0.1 R)
• M30: 39,538,568 km (0.107 R)
• M31: 43,416,444 km (0.102 R)
• M32: 46,695,479 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.9

Radius: 4.6

Gravity: 37 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 8.46 AU - 9.12 AU

Year: 17676 Days

Day: 21.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 73,263,625 km

• M1: 57,296 km (0.119 R)
• M2: 498,610 km (0.068 R)
• M3: 706,551 km (0.108 R)
• M4: 2,093,622 km (0.035 R)
• M5: 2,238,134 km (0.119 R)
• M6: 2,934,512 km (0.109 R)
• M7: 3,795,448 km (0.105 R)
• M8: 4,170,041 km (0.087 R)
• M9: 4,399,673 km (0.078 R)
• M10: 6,166,574 km (0.102 R)
• M11: 6,683,734 km (0.089 R)
• M12: 7,370,388 km (0.086 R)
• M13: 7,804,222 km (0.117 R)
• M14: 8,669,795 km (0.093 R)
• M15: 9,485,253 km (0.076 R)
• M16: 11,017,734 km (0.057 R)
• M17: 11,520,682 km (0.06 R)
• M18: 13,901,981 km (0.096 R)
• M19: 14,266,850 km (0.083 R)
• M20: 16,108,100 km (0.103 R)
• M21: 17,420,074 km (0.12 R)
• M22: 18,449,606 km (0.116 R)
• M23: 19,157,952 km (0.06 R)
• M24: 19,337,918 km (0.064 R)
• M25: 23,075,621 km (0.095 R)
• M26: 23,793,841 km (0.098 R)
• M27: 25,274,710 km (0.079 R)
• M28: 25,708,992 km (0.071 R)
• M29: 26,148,062 km (0.072 R)
• M30: 28,888,246 km (0.092 R)
• M31: 30,941,178 km (0.079 R)
• M32: 31,562,907 km (0.116 R)
• M33: 32,320,022 km (0.102 R)
• M34: 37,962,105 km (0.043 R)
• M35: 39,106,379 km (0.105 R)
• M36: 41,915,678 km (0.081 R)
• M37: 42,830,020 km (0.11 R)
• M38: 45,492,862 km (0.06 R)
• M39: 47,273,376 km (0.081 R)
• M40: 55,954,092 km (0.085 R)
• M41: 72,388,614 km (0.094 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: 523 - 11,262 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit