🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.4

Radius: 11.9

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.62 AU - 0.62 AU

Year: 337 Days

Day: 12.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 86,021,263 km

• M1: 147,952 km (0.094 R)
• M2: 531,072 km (0.046 R)
• M3: 970,142 km (0.116 R)
• M4: 1,479,224 km (0.094 R)
• M5: 1,919,191 km (0.102 R)
• M6: 2,290,942 km (0.117 R)
• M7: 3,594,238 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.6

Radius: 12

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.62 AU - 0.78 AU

Year: 404 Days

Day: 5.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 86,021,263 km

• M1: 149,299 km (0.081 R)
• M2: 571,165 km (0.093 R)
• M3: 945,459 km (0.101 R)
• M4: 1,376,151 km (0.032 R)
• M5: 1,863,690 km (0.096 R)
• M6: 2,697,100 km (0.062 R)
• M7: 3,471,269 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.7

Radius: 11.8

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.85 AU - 1.25 AU

Year: 743 Days

Day: 7.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,021,263 km

• M1: 146,905 km (0.075 R)
• M2: 565,779 km (0.102 R)
• M3: 1,024,446 km (0.032 R)
• M4: 1,524,851 km (0.096 R)
• M5: 2,068,639 km (0.101 R)
• M6: 2,467,168 km (0.108 R)
• M7: 2,838,470 km (0.085 R)
• M8: 3,845,264 km (0.063 R)
• M9: 4,423,609 km (0.111 R)
• M10: 5,557,710 km (0.029 R)
• M11: 6,897,060 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.4

Radius: 9.7

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.99 AU - 2.75 AU

Year: 2518 Days

Day: 10.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,021,263 km

• M1: 121,025 km (0.1 R)
• M2: 456,872 km (0.042 R)
• M3: 787,483 km (0.111 R)
• M4: 1,093,411 km (0.117 R)
• M5: 1,538,016 km (0.116 R)
• M6: 1,891,815 km (0.118 R)
• M7: 2,484,821 km (0.098 R)
• M8: 2,976,549 km (0.047 R)
• M9: 3,497,598 km (0.103 R)
• M10: 4,372,147 km (0.103 R)
• M11: 4,915,188 km (0.105 R)
• M12: 5,317,008 km (0.043 R)
• M13: 6,340,556 km (0.116 R)
• M14: 7,375,325 km (0.09 R)
• M15: 8,268,723 km (0.065 R)
• M16: 8,838,541 km (0.04 R)
• M17: 10,341,701 km (0.106 R)
• M18: 15,344,104 km (0.113 R)
• M19: 15,914,371 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.8

Radius: 12.1

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.72 AU - 3.62 AU

Year: 3896 Days

Day: 6.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,021,263 km

• M1: 150,645 km (0.109 R)
• M2: 532,568 km (0.034 R)
• M3: 1,093,261 km (0.118 R)
• M4: 2,036,027 km (0.113 R)
• M5: 2,526,409 km (0.113 R)
• M6: 3,400,958 km (0.084 R)
• M7: 4,419,719 km (0.075 R)
• M8: 4,910,849 km (0.114 R)
• M9: 5,576,111 km (0.066 R)
• M10: 6,240,326 km (0.091 R)
• M11: 7,351,838 km (0.095 R)
• M12: 8,332,601 km (0.105 R)
• M13: 11,616,424 km (0.073 R)
• M14: 14,585,792 km (0.086 R)
• M15: 15,016,634 km (0.119 R)
• M16: 18,213,092 km (0.094 R)
• M17: 19,286,606 km (0.06 R)
• M18: 21,978,022 km (0.08 R)
• M19: 24,304,418 km (0.104 R)
• M20: 26,951,403 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.9

Radius: 9.1

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.81 AU - 5.53 AU

Year: 8114 Days

Day: 6.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,021,263 km

• M1: 113,096 km (0.106 R)
• M2: 465,997 km (0.099 R)
• M3: 855,101 km (0.109 R)
• M4: 1,876,556 km (0.081 R)
• M5: 2,545,857 km (0.101 R)
• M6: 2,975,352 km (0.036 R)
• M7: 3,908,544 km (0.1 R)
• M8: 4,327,118 km (0.082 R)
• M9: 5,431,001 km (0.049 R)
• M10: 6,113,018 km (0.092 R)
• M11: 6,712,606 km (0.057 R)
• M12: 7,497,995 km (0.082 R)
• M13: 9,251,132 km (0.115 R)
• M14: 9,861,940 km (0.109 R)
• M15: 12,213,769 km (0.098 R)
• M16: 13,713,637 km (0.075 R)
• M17: 14,623,790 km (0.108 R)
• M18: 15,573,737 km (0.104 R)
• M19: 15,940,401 km (0.12 R)
• M20: 18,602,046 km (0.078 R)
• M21: 21,171,689 km (0.088 R)
• M22: 23,969,169 km (0.072 R)
• M23: 27,356,364 km (0.084 R)
• M24: 27,980,187 km (0.091 R)
• M25: 29,908,803 km (0.112 R)
• M26: 33,722,651 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.5

Radius: 6.2

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.76 AU - 9.44 AU

Year: 15913 Days

Day: 22.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 86,021,263 km

• M1: 77,342 km (0.099 R)
• M2: 279,299 km (0.082 R)
• M3: 542,591 km (0.101 R)
• M4: 1,002,306 km (0.096 R)
• M5: 1,602,792 km (0.109 R)
• M6: 1,854,864 km (0.094 R)
• M7: 2,360,206 km (0.066 R)
• M8: 2,624,096 km (0.078 R)
• M9: 2,930,323 km (0.084 R)
• M10: 3,139,611 km (0.086 R)
• M11: 3,536,344 km (0.118 R)
• M12: 3,855,586 km (0.115 R)
• M13: 4,929,399 km (0.087 R)
• M14: 7,694,566 km (0.097 R)
• M15: 8,696,872 km (0.091 R)
• M16: 13,328,422 km (0.078 R)
• M17: 13,582,888 km (0.106 R)
• M18: 14,432,305 km (0.106 R)
• M19: 16,894,237 km (0.105 R)
• M20: 19,869,440 km (0.067 R)
• M21: 20,706,739 km (0.114 R)
• M22: 25,249,278 km (0.089 R)
• M23: 25,737,117 km (0.036 R)
• M24: 26,731,644 km (0.082 R)
• M25: 27,958,496 km (0.119 R)
• M26: 28,902,907 km (0.089 R)
• M27: 31,189,062 km (0.093 R)
• M28: 33,475,964 km (0.095 R)
• M29: 33,946,300 km (0.114 R)
• M30: 35,994,744 km (0.096 R)
• M31: 37,111,941 km (0.103 R)
• M32: 39,284,999 km (0.089 R)
• M33: 39,676,946 km (0.117 R)
• M34: 41,137,021 km (0.091 R)
• M35: 47,483,262 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.1

Radius: 5.3

Gravity: 17.31 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.95 AU - 10.65 AU

Year: 19577 Days

Day: 18.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,021,263 km

• M1: 65,973 km (0.08 R)
• M2: 265,536 km (0.109 R)
• M3: 658,829 km (0.063 R)
• M4: 858,093 km (0.034 R)
• M5: 3,316,136 km (0.091 R)
• M6: 5,837,608 km (0.099 R)
• M7: 6,156,700 km (0.107 R)
• M8: 9,410,155 km (0.063 R)
• M9: 9,737,924 km (0.113 R)
• M10: 12,839,387 km (0.111 R)
• M11: 13,378,986 km (0.102 R)
• M12: 15,842,265 km (0.073 R)
• M13: 16,938,967 km (0.108 R)
• M14: 17,261,350 km (0.081 R)
• M15: 20,531,261 km (0.098 R)
• M16: 22,407,816 km (0.098 R)
• M17: 26,282,401 km (0.105 R)
• M18: 29,291,712 km (0.069 R)
• M19: 33,146,251 km (0.076 R)
• M20: 34,934,095 km (0.092 R)
• M21: 41,114,432 km (0.085 R)
• M22: 41,550,659 km (0.097 R)
• M23: 48,955,305 km (0.064 R)
• M24: 51,944,420 km (0.117 R)
• M25: 59,758,365 km (0.057 R)
• M26: 65,118,158 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 936.3

Radius: 6.6

Gravity: 21.49 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 7.31 AU - 11.91 AU

Year: 20563 Days

Day: 21.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 86,021,263 km

• M1: 82,129 km (0.112 R)
• M2: 366,365 km (0.116 R)
• M3: 671,545 km (0.093 R)
• M4: 1,114,055 km (0.11 R)
• M5: 2,177,995 km (0.11 R)
• M6: 2,449,216 km (0.094 R)
• M7: 2,793,890 km (0.109 R)
• M8: 3,459,900 km (0.036 R)
• M9: 4,760,653 km (0.092 R)
• M10: 5,258,664 km (0.078 R)
• M11: 7,402,701 km (0.112 R)
• M12: 11,820,625 km (0.087 R)
• M13: 16,334,891 km (0.108 R)
• M14: 19,877,817 km (0.102 R)
• M15: 21,879,287 km (0.034 R)
• M16: 23,465,922 km (0.117 R)
• M17: 26,395,048 km (0.057 R)
• M18: 28,436,760 km (0.043 R)
• M19: 29,056,843 km (0.068 R)
• M20: 33,103,466 km (0.102 R)
• M21: 38,556,757 km (0.092 R)
• M22: 41,813,054 km (0.078 R)
• M23: 44,413,813 km (0.045 R)
• M24: 44,746,219 km (0.105 R)
• M25: 48,338,214 km (0.067 R)
• M26: 49,043,568 km (0.098 R)
• M27: 70,780,587 km (0.072 R)
• M28: 74,230,463 km (0.118 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: 453 - 14,342 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit