🌌 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: 198.7

Radius: 10.4

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.29 AU - 1.37 AU

Year: 1023 Days

Day: 9.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,068,464 km

• M1: 129,402 km (0.07 R)
• M2: 619,634 km (0.102 R)
• M3: 985,700 km (0.087 R)
• M4: 1,417,290 km (0.09 R)
• M5: 2,150,320 km (0.06 R)
• M6: 2,650,126 km (0.116 R)
• M7: 3,411,131 km (0.035 R)
• M8: 4,267,578 km (0.103 R)
• M9: 4,914,290 km (0.096 R)
• M10: 5,642,682 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.1

Radius: 12.2

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.76 AU - 1.86 AU

Year: 1624 Days

Day: 10.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 171.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,068,464 km

• M1: 151,842 km (0.08 R)
• M2: 552,016 km (0.112 R)
• M3: 974,929 km (0.108 R)
• M4: 2,817,975 km (0.028 R)
• M5: 3,217,401 km (0.107 R)
• M6: 4,862,529 km (0.078 R)
• M7: 5,578,355 km (0.038 R)
• M8: 6,003,363 km (0.082 R)
• M9: 9,331,466 km (0.114 R)
• M10: 9,729,247 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.5

Radius: 11.9

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.96 AU - 2.46 AU

Year: 2191 Days

Day: 12.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,068,464 km

• M1: 149,747 km (0.064 R)
• M2: 614,249 km (0.101 R)
• M3: 2,632,324 km (0.078 R)
• M4: 3,186,584 km (0.093 R)
• M5: 4,464,150 km (0.074 R)
• M6: 5,036,212 km (0.097 R)
• M7: 6,285,504 km (0.112 R)
• M8: 7,374,128 km (0.079 R)
• M9: 8,175,374 km (0.11 R)
• M10: 8,873,398 km (0.119 R)
• M11: 9,278,210 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.7

Radius: 6

Gravity: 27.02 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.28 AU - 6.94 AU

Year: 11333 Days

Day: 24.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,068,464 km

• M1: 89,908 km (0.08 R)
• M2: 292,464 km (0.077 R)
• M3: 1,175,390 km (0.087 R)
• M4: 2,253,842 km (0.056 R)
• M5: 2,803,464 km (0.043 R)
• M6: 3,464,537 km (0.036 R)
• M7: 3,902,709 km (0.03 R)
• M8: 4,501,400 km (0.092 R)
• M9: 4,692,436 km (0.104 R)
• M10: 5,993,190 km (0.051 R)
• M11: 7,211,515 km (0.076 R)
• M12: 7,924,648 km (0.05 R)
• M13: 8,537,999 km (0.068 R)
• M14: 9,805,542 km (0.085 R)
• M15: 10,181,781 km (0.117 R)
• M16: 10,623,543 km (0.072 R)
• M17: 10,849,137 km (0.101 R)
• M18: 11,135,766 km (0.104 R)
• M19: 11,427,333 km (0.106 R)
• M20: 11,964,987 km (0.057 R)
• M21: 12,582,079 km (0.048 R)
• M22: 13,155,338 km (0.091 R)
• M23: 13,350,264 km (0.096 R)
• M24: 15,768,962 km (0.092 R)
• M25: 16,510,369 km (0.12 R)
• M26: 17,982,412 km (0.096 R)
• M27: 23,871,332 km (0.047 R)
• M28: 35,614,316 km (0.061 R)
• M29: 38,191,888 km (0.11 R)
• M30: 39,256,725 km (0.09 R)
• M31: 40,204,577 km (0.102 R)
• M32: 47,423,722 km (0.054 R)
• M33: 50,378,878 km (0.117 R)
• M34: 51,337,052 km (0.102 R)
• M35: 51,982,567 km (0.065 R)
• M36: 56,825,050 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.7

Radius: 3.9

Gravity: 13 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 5.49 AU - 8.79 AU

Year: 12723 Days

Day: 15.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,068,464 km

• M1: 48,470 km (0.119 R)
• M2: 227,838 km (0.082 R)
• M3: 407,505 km (0.098 R)
• M4: 679,025 km (0.117 R)
• M5: 935,735 km (0.099 R)
• M6: 1,165,816 km (0.095 R)
• M7: 1,521,261 km (0.086 R)
• M8: 1,781,561 km (0.059 R)
• M9: 2,355,119 km (0.111 R)
• M10: 2,665,086 km (0.095 R)
• M11: 3,410,682 km (0.085 R)
• M12: 5,578,355 km (0.092 R)
• M13: 6,127,828 km (0.045 R)
• M14: 6,536,679 km (0.056 R)
• M15: 6,747,911 km (0.066 R)
• M16: 7,036,485 km (0.039 R)
• M17: 8,233,119 km (0.094 R)
• M18: 9,292,122 km (0.087 R)
• M19: 11,120,358 km (0.112 R)
• M20: 11,421,349 km (0.111 R)
• M21: 12,092,145 km (0.117 R)
• M22: 15,039,224 km (0.078 R)
• M23: 16,353,890 km (0.098 R)
• M24: 16,482,993 km (0.098 R)
• M25: 16,808,518 km (0.041 R)
• M26: 17,675,288 km (0.115 R)
• M27: 22,142,729 km (0.09 R)
• M28: 22,459,428 km (0.097 R)
• M29: 23,509,754 km (0.091 R)
• M30: 24,005,372 km (0.118 R)
• M31: 26,677,788 km (0.113 R)
• M32: 28,316,932 km (0.091 R)
• M33: 30,703,317 km (0.067 R)
• M34: 31,494,391 km (0.087 R)
• M35: 32,400,356 km (0.112 R)
• M36: 33,323,674 km (0.092 R)
• M37: 33,844,125 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390

Radius: 3.9

Gravity: 25.64 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 8.62 AU - 11.3 AU

Year: 20961 Days

Day: 24.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 65,068,464 km

• M1: 48,619 km (0.101 R)
• M2: 188,045 km (0.047 R)
• M3: 309,817 km (0.085 R)
• M4: 440,416 km (0.114 R)
• M5: 1,178,083 km (0.071 R)
• M6: 1,537,866 km (0.085 R)
• M7: 3,056,883 km (0.111 R)
• M8: 4,055,748 km (0.088 R)
• M9: 4,464,449 km (0.101 R)
• M10: 5,327,031 km (0.045 R)
• M11: 5,587,181 km (0.116 R)
• M12: 5,778,068 km (0.085 R)
• M13: 6,052,730 km (0.116 R)
• M14: 11,837,979 km (0.101 R)
• M15: 11,963,491 km (0.078 R)
• M16: 12,216,910 km (0.097 R)
• M17: 13,065,579 km (0.113 R)
• M18: 14,092,867 km (0.085 R)
• M19: 17,093,053 km (0.045 R)
• M20: 19,255,939 km (0.094 R)
• M21: 21,130,699 km (0.12 R)
• M22: 21,501,104 km (0.089 R)
• M23: 22,831,627 km (0.034 R)
• M24: 24,723,741 km (0.101 R)
• M25: 25,971,238 km (0.093 R)
• M26: 28,142,351 km (0.094 R)
• M27: 31,022,709 km (0.101 R)
• M28: 34,730,941 km (0.119 R)
• M29: 35,506,456 km (0.095 R)
• M30: 41,116,975 km (0.112 R)
• M31: 41,693,974 km (0.107 R)
• M32: 49,694,617 km (0.111 R)
• M33: 51,341,989 km (0.054 R)
• M34: 51,508,791 km (0.104 R)
• M35: 53,195,806 km (0.058 R)
• M36: 55,619,142 km (0.113 R)
• M37: 57,036,432 km (0.043 R)
• M38: 61,997,247 km (0.118 R)
• M39: 63,137,333 km (0.116 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 13,998 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit