🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.3

Radius: 12.4

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.88 AU - 1.4 AU

Year: 826 Days

Day: 8.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,773,932 km

• M1: 154,235 km (0.089 R)
• M2: 794,514 km (0.111 R)
• M3: 1,397,693 km (0.12 R)
• M4: 2,254,590 km (0.107 R)
• M5: 2,974,155 km (0.101 R)
• M6: 3,408,587 km (0.039 R)
• M7: 4,079,534 km (0.09 R)
• M8: 4,471,331 km (0.08 R)
• M9: 5,441,473 km (0.095 R)
• M10: 6,257,529 km (0.11 R)
• M11: 7,726,431 km (0.107 R)
• M12: 8,280,242 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.3

Radius: 8.9

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.58 AU - 1.7 AU

Year: 1424 Days

Day: 9.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,773,932 km

• M1: 113,395 km (0.119 R)
• M2: 440,865 km (0.044 R)
• M3: 1,007,242 km (0.105 R)
• M4: 1,306,887 km (0.042 R)
• M5: 1,717,234 km (0.073 R)
• M6: 2,787,457 km (0.072 R)
• M7: 3,162,798 km (0.085 R)
• M8: 3,893,584 km (0.039 R)
• M9: 6,169,267 km (0.119 R)
• M10: 7,191,618 km (0.086 R)
• M11: 8,147,250 km (0.076 R)
• M12: 8,786,182 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.4

Radius: 12.3

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.24 AU - 2.88 AU

Year: 2778 Days

Day: 10.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,773,932 km

• M1: 169,195 km (0.117 R)
• M2: 620,382 km (0.104 R)
• M3: 1,192,295 km (0.106 R)
• M4: 1,691,952 km (0.087 R)
• M5: 2,079,859 km (0.098 R)
• M6: 2,542,715 km (0.072 R)
• M7: 3,041,175 km (0.092 R)
• M8: 3,585,711 km (0.088 R)
• M9: 4,278,350 km (0.108 R)
• M10: 4,849,215 km (0.117 R)
• M11: 5,671,854 km (0.108 R)
• M12: 6,090,279 km (0.065 R)
• M13: 6,727,865 km (0.058 R)
• M14: 7,378,915 km (0.063 R)
• M15: 8,501,049 km (0.036 R)
• M16: 9,919,236 km (0.115 R)
• M17: 11,696,908 km (0.067 R)
• M18: 15,266,911 km (0.038 R)
• M19: 15,976,903 km (0.107 R)
• M20: 16,708,736 km (0.074 R)
• M21: 18,352,218 km (0.095 R)
• M22: 19,213,154 km (0.055 R)
• M23: 19,921,200 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.6

Radius: 14.9

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.12 AU - 3.06 AU

Year: 2827 Days

Day: 10.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,773,932 km

• M1: 185,352 km (0.088 R)
• M2: 696,079 km (0.049 R)
• M3: 1,295,817 km (0.089 R)
• M4: 2,112,023 km (0.111 R)
• M5: 2,668,676 km (0.088 R)
• M6: 3,236,101 km (0.091 R)
• M7: 4,208,188 km (0.11 R)
• M8: 5,517,169 km (0.116 R)
• M9: 8,181,807 km (0.101 R)
• M10: 14,405,826 km (0.084 R)
• M11: 18,868,031 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.2

Radius: 13.6

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 4.22 AU - 6.5 AU

Year: 8417 Days

Day: 7.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,773,932 km

• M1: 169,195 km (0.106 R)
• M2: 608,863 km (0.119 R)
• M3: 1,639,293 km (0.099 R)
• M4: 2,085,394 km (0.11 R)
• M5: 2,816,030 km (0.091 R)
• M6: 4,325,473 km (0.098 R)
• M7: 4,851,609 km (0.068 R)
• M8: 6,394,262 km (0.075 R)
• M9: 9,009,382 km (0.096 R)
• M10: 10,580,459 km (0.119 R)
• M11: 11,322,614 km (0.028 R)
• M12: 12,385,058 km (0.037 R)
• M13: 13,451,990 km (0.045 R)
• M14: 16,596,537 km (0.103 R)
• M15: 18,189,904 km (0.119 R)
• M16: 19,489,311 km (0.105 R)
• M17: 24,299,631 km (0.092 R)
• M18: 29,227,983 km (0.072 R)
• M19: 30,266,940 km (0.111 R)
• M20: 33,419,416 km (0.105 R)
• M21: 36,784,620 km (0.119 R)
• M22: 42,973,484 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.4

Radius: 5.7

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.25 AU - 7.45 AU

Year: 10853 Days

Day: 15.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,773,932 km

• M1: 70,909 km (0.051 R)
• M2: 493,224 km (0.083 R)
• M3: 913,295 km (0.113 R)
• M4: 2,057,270 km (0.054 R)
• M5: 3,361,614 km (0.116 R)
• M6: 4,798,053 km (0.1 R)
• M7: 5,651,060 km (0.076 R)
• M8: 6,229,106 km (0.049 R)
• M9: 7,389,686 km (0.12 R)
• M10: 9,152,248 km (0.11 R)
• M11: 13,427,306 km (0.107 R)
• M12: 14,105,434 km (0.112 R)
• M13: 14,628,727 km (0.047 R)
• M14: 15,590,940 km (0.059 R)
• M15: 17,375,194 km (0.076 R)
• M16: 20,966,890 km (0.104 R)
• M17: 22,500,866 km (0.114 R)
• M18: 23,780,676 km (0.111 R)
• M19: 24,108,146 km (0.053 R)
• M20: 26,049,328 km (0.108 R)
• M21: 31,895,612 km (0.077 R)
• M22: 32,897,469 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.2

Radius: 3.1

Gravity: 88.05 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.43 AU - 9.61 AU

Year: 15405 Days

Day: 16.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,773,932 km

• M1: 39,195 km (0.09 R)
• M2: 211,083 km (0.086 R)
• M3: 369,507 km (0.1 R)
• M4: 1,162,076 km (0.107 R)
• M5: 2,757,238 km (0.083 R)
• M6: 2,854,028 km (0.089 R)
• M7: 3,741,592 km (0.041 R)
• M8: 3,920,811 km (0.104 R)
• M9: 6,162,235 km (0.053 R)
• M10: 6,412,064 km (0.05 R)
• M11: 6,843,504 km (0.112 R)
• M12: 10,361,897 km (0.111 R)
• M13: 11,198,597 km (0.076 R)
• M14: 12,338,982 km (0.069 R)
• M15: 14,191,602 km (0.082 R)
• M16: 16,458,010 km (0.084 R)
• M17: 18,180,779 km (0.07 R)
• M18: 20,110,442 km (0.033 R)
• M19: 21,031,067 km (0.097 R)
• M20: 22,561,902 km (0.087 R)
• M21: 24,062,967 km (0.096 R)
• M22: 24,890,094 km (0.12 R)
• M23: 28,047,506 km (0.118 R)
• M24: 32,951,773 km (0.076 R)
• M25: 38,677,482 km (0.063 R)
• M26: 56,985,270 km (0.097 R)
• M27: 67,577,547 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.1

Radius: 6.8

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.47 AU - 9.79 AU

Year: 17195 Days

Day: 23.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,773,932 km

• M1: 85,570 km (0.111 R)
• M2: 303,085 km (0.083 R)
• M3: 590,164 km (0.039 R)
• M4: 1,733,391 km (0.102 R)
• M5: 2,080,757 km (0.091 R)
• M6: 3,033,246 km (0.113 R)
• M7: 9,021,350 km (0.084 R)
• M8: 9,690,052 km (0.092 R)
• M9: 12,322,975 km (0.104 R)
• M10: 15,397,660 km (0.038 R)
• M11: 16,202,197 km (0.061 R)
• M12: 17,815,311 km (0.084 R)
• M13: 18,538,318 km (0.101 R)
• M14: 20,562,078 km (0.107 R)
• M15: 21,268,180 km (0.055 R)
• M16: 25,949,546 km (0.052 R)
• M17: 26,359,594 km (0.076 R)
• M18: 26,878,249 km (0.093 R)
• M19: 33,885,563 km (0.034 R)
• M20: 48,830,989 km (0.073 R)
• M21: 50,562,435 km (0.037 R)
• M22: 53,153,320 km (0.093 R)
• M23: 54,648,850 km (0.091 R)
• M24: 55,831,421 km (0.097 R)
• M25: 56,858,411 km (0.029 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 16,366 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit