🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.5

Radius: 9.6

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.51 AU - 0.53 AU

Year: 250 Days

Day: 12.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,722,432 km

• M1: 119,379 km (0.108 R)
• M2: 480,658 km (0.088 R)
• M3: 972,985 km (0.111 R)
• M4: 1,462,918 km (0.114 R)
• M5: 1,783,805 km (0.111 R)
• M6: 2,098,260 km (0.05 R)
• M7: 2,413,014 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.6

Radius: 9.4

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.56 AU - 0.6 AU

Year: 295 Days

Day: 14.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 48,722,432 km

• M1: 116,836 km (0.07 R)
• M2: 994,227 km (0.096 R)
• M3: 1,427,762 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.6

Radius: 13.1

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.84 AU - 1.38 AU

Year: 780 Days

Day: 13.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,722,432 km

• M1: 163,510 km (0.098 R)
• M2: 792,869 km (0.12 R)
• M3: 1,577,659 km (0.118 R)
• M4: 2,978,494 km (0.089 R)
• M5: 3,659,613 km (0.086 R)
• M6: 4,835,751 km (0.099 R)
• M7: 5,850,474 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.1

Radius: 9.6

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.9 AU - 1.32 AU

Year: 780 Days

Day: 6.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,722,432 km

• M1: 119,529 km (0.095 R)
• M2: 421,118 km (0.046 R)
• M3: 729,888 km (0.103 R)
• M4: 1,121,834 km (0.08 R)
• M5: 1,446,911 km (0.111 R)
• M6: 2,199,986 km (0.101 R)
• M7: 2,578,469 km (0.098 R)
• M8: 3,248,069 km (0.117 R)
• M9: 3,552,501 km (0.069 R)
• M10: 4,565,727 km (0.118 R)
• M11: 5,642,532 km (0.118 R)
• M12: 6,105,388 km (0.066 R)
• M13: 6,463,526 km (0.1 R)
• M14: 6,902,895 km (0.094 R)
• M15: 8,039,240 km (0.08 R)
• M16: 8,730,981 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.1

Radius: 11

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.29 AU - 2.81 AU

Year: 2715 Days

Day: 12.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,722,432 km

• M1: 136,882 km (0.029 R)
• M2: 1,142,928 km (0.095 R)
• M3: 1,521,410 km (0.068 R)
• M4: 1,901,239 km (0.059 R)
• M5: 2,358,261 km (0.091 R)
• M6: 2,718,343 km (0.062 R)
• M7: 3,182,246 km (0.096 R)
• M8: 3,587,507 km (0.072 R)
• M9: 3,987,382 km (0.113 R)
• M10: 4,567,223 km (0.08 R)
• M11: 5,061,494 km (0.097 R)
• M12: 5,691,601 km (0.072 R)
• M13: 7,049,800 km (0.056 R)
• M14: 8,251,071 km (0.086 R)
• M15: 8,680,267 km (0.053 R)
• M16: 9,159,279 km (0.053 R)
• M17: 10,095,612 km (0.092 R)
• M18: 12,456,117 km (0.113 R)
• M19: 13,110,458 km (0.108 R)
• M20: 13,650,357 km (0.056 R)
• M21: 14,726,564 km (0.075 R)
• M22: 15,557,730 km (0.109 R)
• M23: 16,368,251 km (0.082 R)
• M24: 17,420,822 km (0.065 R)
• M25: 18,184,070 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.8

Radius: 9.5

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.07 AU - 3.39 AU

Year: 3008 Days

Day: 11.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,722,432 km

• M1: 118,482 km (0.06 R)
• M2: 510,129 km (0.063 R)
• M3: 1,167,312 km (0.118 R)
• M4: 2,205,073 km (0.119 R)
• M5: 2,508,307 km (0.076 R)
• M6: 3,669,187 km (0.09 R)
• M7: 4,792,368 km (0.095 R)
• M8: 5,511,036 km (0.117 R)
• M9: 6,500,925 km (0.088 R)
• M10: 7,540,780 km (0.102 R)
• M11: 8,373,292 km (0.119 R)
• M12: 9,564,689 km (0.081 R)
• M13: 9,908,465 km (0.105 R)
• M14: 10,580,160 km (0.12 R)
• M15: 11,579,922 km (0.118 R)
• M16: 11,883,008 km (0.074 R)
• M17: 14,303,800 km (0.059 R)
• M18: 14,956,945 km (0.08 R)
• M19: 15,893,727 km (0.111 R)
• M20: 16,430,933 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.3

Radius: 4.3

Gravity: 45.55 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 7.05 AU - 11.17 AU

Year: 18336 Days

Day: 19.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 48,722,432 km

• M1: 54,154 km (0.101 R)
• M2: 273,615 km (0.062 R)
• M3: 431,141 km (0.101 R)
• M4: 755,320 km (0.099 R)
• M5: 905,965 km (0.111 R)
• M6: 1,184,067 km (0.119 R)
• M7: 1,436,140 km (0.118 R)
• M8: 2,343,750 km (0.062 R)
• M9: 3,521,983 km (0.04 R)
• M10: 4,863,726 km (0.116 R)
• M11: 6,827,946 km (0.091 R)
• M12: 9,548,234 km (0.065 R)
• M13: 13,482,059 km (0.097 R)
• M14: 18,110,617 km (0.109 R)
• M15: 18,464,117 km (0.102 R)
• M16: 21,557,951 km (0.116 R)
• M17: 23,278,775 km (0.118 R)
• M18: 24,332,842 km (0.115 R)
• M19: 26,196,831 km (0.105 R)
• M20: 26,648,916 km (0.028 R)
• M21: 28,153,870 km (0.059 R)
• M22: 28,987,280 km (0.119 R)
• M23: 35,013,681 km (0.106 R)
• M24: 36,676,012 km (0.12 R)
• M25: 38,535,364 km (0.081 R)
• M26: 38,826,931 km (0.075 R)
• M27: 40,306,603 km (0.106 R)
• M28: 42,596,049 km (0.094 R)
• M29: 44,970,766 km (0.106 R)
• M30: 50,502,745 km (0.106 R)
• M31: 53,884,704 km (0.056 R)
• M32: 57,035,834 km (0.111 R)
• M33: 60,897,852 km (0.105 R)
• M34: 61,889,836 km (0.058 R)
• M35: 76,469,944 km (0.107 R)
• M36: 76,699,875 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.9

Radius: 3.5

Gravity: 12.97 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.71 AU - 12.41 AU

Year: 21278 Days

Day: 19.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,722,432 km

• M1: 46,675 km (0.032 R)
• M2: 274,362 km (0.074 R)
• M3: 1,608,925 km (0.064 R)
• M4: 1,857,258 km (0.069 R)
• M5: 2,549,447 km (0.086 R)
• M6: 3,701,799 km (0.074 R)
• M7: 4,568,719 km (0.066 R)
• M8: 10,610,827 km (0.073 R)
• M9: 10,876,812 km (0.082 R)
• M10: 20,171,926 km (0.113 R)
• M11: 24,502,785 km (0.089 R)
• M12: 27,476,940 km (0.07 R)
• M13: 28,281,926 km (0.09 R)
• M14: 38,196,974 km (0.11 R)
• M15: 45,859,676 km (0.114 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 17,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit