🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.02 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.6

Radius: 10.1

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.68 AU - 2.38 AU

Year: 2033 Days

Day: 13.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,903,518 km

• M1: 125,662 km (0.081 R)
• M2: 465,100 km (0.076 R)
• M3: 872,305 km (0.116 R)
• M4: 1,224,309 km (0.088 R)
• M5: 2,026,752 km (0.08 R)
• M6: 2,616,317 km (0.116 R)
• M7: 2,984,029 km (0.091 R)
• M8: 3,711,374 km (0.089 R)
• M9: 4,488,684 km (0.111 R)
• M10: 7,005,967 km (0.102 R)
• M11: 7,597,926 km (0.095 R)
• M12: 8,680,566 km (0.062 R)
• M13: 9,434,091 km (0.104 R)
• M14: 10,008,846 km (0.057 R)
• M15: 10,837,319 km (0.099 R)
• M16: 11,347,896 km (0.043 R)
• M17: 11,874,481 km (0.096 R)
• M18: 14,145,526 km (0.079 R)
• M19: 16,230,771 km (0.1 R)
• M20: 17,109,060 km (0.081 R)
• M21: 18,237,476 km (0.065 R)
• M22: 18,624,337 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.7

Radius: 13.3

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.53 AU - 3.05 AU

Year: 3276 Days

Day: 7.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,903,518 km

• M1: 165,455 km (0.105 R)
• M2: 905,516 km (0.104 R)
• M3: 1,332,468 km (0.117 R)
• M4: 2,560,068 km (0.111 R)
• M5: 3,113,281 km (0.115 R)
• M6: 4,104,367 km (0.046 R)
• M7: 4,555,854 km (0.095 R)
• M8: 5,804,846 km (0.083 R)
• M9: 7,110,686 km (0.085 R)
• M10: 8,073,049 km (0.071 R)
• M11: 9,348,221 km (0.092 R)
• M12: 10,054,323 km (0.12 R)
• M13: 12,249,373 km (0.119 R)
• M14: 12,667,648 km (0.075 R)
• M15: 14,232,741 km (0.034 R)
• M16: 15,381,354 km (0.092 R)
• M17: 16,422,106 km (0.105 R)
• M18: 17,334,653 km (0.06 R)
• M19: 18,461,724 km (0.104 R)
• M20: 19,323,108 km (0.095 R)
• M21: 21,325,625 km (0.106 R)
• M22: 24,547,066 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.4

Radius: 10.8

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.04 AU - 4.66 AU

Year: 6377 Days

Day: 5.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,903,518 km

• M1: 137,630 km (0.097 R)
• M2: 508,633 km (0.072 R)
• M3: 1,211,444 km (0.045 R)
• M4: 2,178,594 km (0.068 R)
• M5: 3,237,896 km (0.063 R)
• M6: 4,404,311 km (0.102 R)
• M7: 7,286,613 km (0.093 R)
• M8: 9,534,620 km (0.105 R)
• M9: 14,827,842 km (0.098 R)
• M10: 17,623,976 km (0.12 R)
• M11: 18,993,245 km (0.079 R)
• M12: 21,942,268 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188

Radius: 7.8

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.46 AU - 7.9 AU

Year: 12136 Days

Day: 20.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,903,518 km

• M1: 97,089 km (0.032 R)
• M2: 347,217 km (0.086 R)
• M3: 711,039 km (0.092 R)
• M4: 967,898 km (0.099 R)
• M5: 2,177,547 km (0.118 R)
• M6: 2,479,884 km (0.111 R)
• M7: 4,488,535 km (0.057 R)
• M8: 5,066,581 km (0.114 R)
• M9: 5,570,127 km (0.052 R)
• M10: 6,009,496 km (0.098 R)
• M11: 7,504,577 km (0.082 R)
• M12: 7,769,515 km (0.101 R)
• M13: 8,238,355 km (0.058 R)
• M14: 9,189,498 km (0.072 R)
• M15: 11,557,034 km (0.07 R)
• M16: 15,796,638 km (0.062 R)
• M17: 18,810,735 km (0.093 R)
• M18: 23,051,536 km (0.115 R)
• M19: 24,100,815 km (0.067 R)
• M20: 27,172,508 km (0.065 R)
• M21: 28,987,131 km (0.115 R)
• M22: 30,880,890 km (0.097 R)
• M23: 34,287,383 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.2

Radius: 3.8

Gravity: 30.9 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.28 AU - 8.16 AU

Year: 12245 Days

Day: 15.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,903,518 km

• M1: 47,273 km (0.05 R)
• M2: 241,900 km (0.095 R)
• M3: 362,924 km (0.11 R)
• M4: 519,404 km (0.116 R)
• M5: 754,572 km (0.086 R)
• M6: 941,419 km (0.097 R)
• M7: 1,135,597 km (0.089 R)
• M8: 1,518,119 km (0.078 R)
• M9: 2,572,784 km (0.075 R)
• M10: 5,671,106 km (0.072 R)
• M11: 5,844,639 km (0.095 R)
• M12: 7,160,652 km (0.068 R)
• M13: 14,594,170 km (0.099 R)
• M14: 15,927,835 km (0.05 R)
• M15: 16,980,106 km (0.119 R)
• M16: 18,758,376 km (0.03 R)
• M17: 26,051,871 km (0.096 R)
• M18: 28,611,042 km (0.092 R)
• M19: 29,431,137 km (0.118 R)
• M20: 35,849,783 km (0.075 R)
• M21: 38,262,647 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665

Radius: 6.5

Gravity: 15.74 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 7.64 AU - 7.72 AU

Year: 14961 Days

Day: 23.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,903,518 km

• M1: 80,783 km (0.106 R)
• M2: 454,628 km (0.111 R)
• M3: 671,545 km (0.063 R)
• M4: 1,531,284 km (0.114 R)
• M5: 1,754,933 km (0.096 R)
• M6: 2,925,686 km (0.116 R)
• M7: 4,291,963 km (0.078 R)
• M8: 7,067,153 km (0.047 R)
• M9: 9,001,603 km (0.088 R)
• M10: 9,952,896 km (0.092 R)
• M11: 10,284,405 km (0.057 R)
• M12: 13,010,078 km (0.118 R)
• M13: 13,743,108 km (0.081 R)
• M14: 15,001,375 km (0.083 R)
• M15: 15,956,558 km (0.12 R)
• M16: 20,272,755 km (0.109 R)
• M17: 22,554,871 km (0.078 R)
• M18: 23,416,704 km (0.035 R)
• M19: 24,300,229 km (0.061 R)
• M20: 31,000,269 km (0.091 R)
• M21: 31,588,787 km (0.104 R)
• M22: 32,064,957 km (0.086 R)
• M23: 33,153,880 km (0.111 R)
• M24: 43,204,164 km (0.112 R)
• M25: 55,280,602 km (0.114 R)
• M26: 57,195,754 km (0.092 R)
• M27: 58,974,921 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.5

Radius: 5.8

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 7.3 AU - 9.26 AU

Year: 16748 Days

Day: 24.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,903,518 km

• M1: 72,106 km (0.119 R)
• M2: 317,447 km (0.089 R)
• M3: 1,106,426 km (0.088 R)
• M4: 1,630,766 km (0.074 R)
• M5: 2,000,273 km (0.105 R)
• M6: 2,667,779 km (0.091 R)
• M7: 3,157,562 km (0.089 R)
• M8: 5,282,450 km (0.096 R)
• M9: 8,621,774 km (0.106 R)
• M10: 10,779,574 km (0.079 R)
• M11: 14,553,479 km (0.119 R)
• M12: 15,428,926 km (0.104 R)
• M13: 15,914,521 km (0.047 R)
• M14: 17,732,434 km (0.115 R)
• M15: 20,753,862 km (0.058 R)
• M16: 22,651,212 km (0.109 R)
• M17: 26,097,797 km (0.119 R)
• M18: 27,589,438 km (0.086 R)
• M19: 29,771,771 km (0.059 R)
• M20: 30,092,659 km (0.113 R)
• M21: 34,125,219 km (0.088 R)
• M22: 42,022,939 km (0.041 R)
• M23: 49,693,271 km (0.097 R)
• M24: 50,599,086 km (0.036 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 19,935 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit