🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.6

Radius: 8.3

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.53 AU - 0.59 AU

Year: 284 Days

Day: 7 Hours

Environment

Temp: -141 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,558,338 km

• M1: 103,223 km (0.059 R)
• M2: 364,271 km (0.094 R)
• M3: 653,892 km (0.099 R)
• M4: 958,324 km (0.065 R)
• M5: 1,279,062 km (0.028 R)
• M6: 1,964,818 km (0.084 R)
• M7: 2,352,427 km (0.115 R)
• M8: 2,617,065 km (0.117 R)
• M9: 2,927,930 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.2

Radius: 10.1

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.93 AU - 1.19 AU

Year: 740 Days

Day: 15 Hours

Environment

Temp: -174 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,558,338 km

• M1: 125,662 km (0.082 R)
• M2: 520,900 km (0.102 R)
• M3: 873,352 km (0.05 R)
• M4: 1,596,808 km (0.106 R)
• M5: 1,947,615 km (0.091 R)
• M6: 2,939,897 km (0.106 R)
• M7: 3,917,669 km (0.068 R)
• M8: 4,355,841 km (0.115 R)
• M9: 5,381,634 km (0.064 R)
• M10: 5,888,172 km (0.074 R)
• M11: 6,503,169 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.6

Radius: 13.3

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.93 AU - 2.21 AU

Year: 2020 Days

Day: 7.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,558,338 km

• M1: 165,455 km (0.063 R)
• M2: 680,371 km (0.115 R)
• M3: 1,947,166 km (0.11 R)
• M4: 3,572,696 km (0.072 R)
• M5: 8,278,148 km (0.093 R)
• M6: 9,556,910 km (0.113 R)
• M7: 11,061,865 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.7

Radius: 14.5

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.01 AU - 3.03 AU

Year: 2713 Days

Day: 12.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,558,338 km

• M1: 180,265 km (0.055 R)
• M2: 719,117 km (0.099 R)
• M3: 1,426,117 km (0.065 R)
• M4: 2,845,651 km (0.092 R)
• M5: 3,731,569 km (0.105 R)
• M6: 4,219,558 km (0.113 R)
• M7: 4,839,491 km (0.082 R)
• M8: 5,397,940 km (0.113 R)
• M9: 5,999,473 km (0.05 R)
• M10: 6,479,682 km (0.069 R)
• M11: 7,130,882 km (0.091 R)
• M12: 8,109,252 km (0.077 R)
• M13: 8,934,583 km (0.104 R)
• M14: 9,420,926 km (0.11 R)
• M15: 12,634,139 km (0.101 R)
• M16: 14,821,858 km (0.117 R)
• M17: 15,955,211 km (0.041 R)
• M18: 18,561,805 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.6

Radius: 12.8

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.74 AU - 2.84 AU

Year: 3161 Days

Day: 5.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,558,338 km

• M1: 159,621 km (0.101 R)
• M2: 711,787 km (0.093 R)
• M3: 1,268,889 km (0.109 R)
• M4: 2,064,899 km (0.037 R)
• M5: 2,548,998 km (0.112 R)
• M6: 3,318,380 km (0.086 R)
• M7: 3,895,229 km (0.034 R)
• M8: 4,456,670 km (0.1 R)
• M9: 5,005,545 km (0.117 R)
• M10: 6,792,192 km (0.102 R)
• M11: 7,815,292 km (0.073 R)
• M12: 9,036,908 km (0.097 R)
• M13: 9,505,299 km (0.098 R)
• M14: 9,954,542 km (0.105 R)
• M15: 11,008,459 km (0.111 R)
• M16: 12,500,248 km (0.086 R)
• M17: 12,998,260 km (0.106 R)
• M18: 13,813,867 km (0.103 R)
• M19: 14,346,286 km (0.107 R)
• M20: 15,499,835 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.6

Radius: 10.6

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.62 AU - 3.64 AU

Year: 4691 Days

Day: 5.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,558,338 km

• M1: 131,796 km (0.119 R)
• M2: 502,948 km (0.114 R)
• M3: 1,169,257 km (0.032 R)
• M4: 1,507,947 km (0.076 R)
• M5: 1,913,506 km (0.107 R)
• M6: 2,837,872 km (0.052 R)
• M7: 3,318,829 km (0.091 R)
• M8: 4,083,423 km (0.049 R)
• M9: 5,574,914 km (0.11 R)
• M10: 6,492,248 km (0.068 R)
• M11: 7,401,205 km (0.12 R)
• M12: 10,729,010 km (0.04 R)
• M13: 11,997,450 km (0.117 R)
• M14: 12,794,956 km (0.12 R)
• M15: 14,002,660 km (0.098 R)
• M16: 17,011,073 km (0.101 R)
• M17: 17,635,345 km (0.071 R)
• M18: 18,274,876 km (0.079 R)
• M19: 19,532,545 km (0.073 R)
• M20: 21,998,965 km (0.115 R)
• M21: 22,890,419 km (0.078 R)
• M22: 24,587,008 km (0.054 R)
• M23: 25,954,183 km (0.092 R)
• M24: 27,626,837 km (0.09 R)
• M25: 28,664,298 km (0.107 R)
• M26: 29,997,365 km (0.027 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.4

Radius: 8.4

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.61 AU - 3.89 AU

Year: 4925 Days

Day: 5.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,558,338 km

• M1: 108,758 km (0.098 R)
• M2: 378,034 km (0.106 R)
• M3: 849,118 km (0.041 R)
• M4: 2,357,513 km (0.117 R)
• M5: 3,348,300 km (0.076 R)
• M6: 3,689,532 km (0.104 R)
• M7: 4,006,979 km (0.108 R)
• M8: 4,392,193 km (0.051 R)
• M9: 4,854,900 km (0.104 R)
• M10: 5,406,766 km (0.111 R)
• M11: 7,003,873 km (0.098 R)
• M12: 7,966,087 km (0.077 R)
• M13: 9,549,879 km (0.1 R)
• M14: 10,194,646 km (0.118 R)
• M15: 10,776,582 km (0.072 R)
• M16: 11,192,314 km (0.071 R)
• M17: 11,811,799 km (0.082 R)
• M18: 14,464,169 km (0.118 R)
• M19: 16,681,659 km (0.111 R)
• M20: 17,552,917 km (0.087 R)
• M21: 18,519,768 km (0.096 R)
• M22: 19,657,759 km (0.031 R)
• M23: 20,912,885 km (0.044 R)
• M24: 22,668,416 km (0.108 R)
• M25: 25,891,053 km (0.108 R)
• M26: 26,220,916 km (0.118 R)
• M27: 27,483,074 km (0.09 R)
• M28: 27,912,719 km (0.106 R)
• M29: 29,765,937 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928.8

Radius: 4.9

Gravity: 38.68 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.55 AU - 5.91 AU

Year: 9303 Days

Day: 23.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,558,338 km

• M1: 61,186 km (0.118 R)
• M2: 252,671 km (0.065 R)
• M3: 591,360 km (0.077 R)
• M4: 1,066,034 km (0.117 R)
• M5: 1,424,321 km (0.104 R)
• M6: 1,594,564 km (0.106 R)
• M7: 3,465,435 km (0.067 R)
• M8: 4,362,573 km (0.104 R)
• M9: 4,755,118 km (0.053 R)
• M10: 6,759,430 km (0.118 R)
• M11: 7,202,389 km (0.109 R)
• M12: 9,314,562 km (0.073 R)
• M13: 11,187,976 km (0.106 R)
• M14: 17,982,262 km (0.098 R)
• M15: 19,145,535 km (0.08 R)
• M16: 21,793,418 km (0.117 R)
• M17: 26,897,398 km (0.103 R)
• M18: 28,726,531 km (0.111 R)
• M19: 29,248,927 km (0.083 R)
• M20: 30,745,504 km (0.099 R)
• M21: 30,963,318 km (0.104 R)
• M22: 44,737,842 km (0.111 R)
• M23: 47,298,359 km (0.087 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 150 - 17,936 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit