🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.6

Radius: 14.7

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.47 AU - 0.69 AU

Year: 295 Days

Day: 7.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,196,519 km

• M1: 182,809 km (0.111 R)
• M2: 714,180 km (0.085 R)
• M3: 1,287,589 km (0.047 R)
• M4: 1,836,015 km (0.093 R)
• M5: 2,321,310 km (0.081 R)
• M6: 2,974,006 km (0.071 R)
• M7: 3,434,169 km (0.118 R)
• M8: 4,092,998 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.6

Radius: 13.1

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.51 AU - 0.81 AU

Year: 358 Days

Day: 12.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 52,196,519 km

• M1: 162,912 km (0.055 R)
• M2: 838,047 km (0.098 R)
• M3: 1,391,410 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.4

Radius: 8.2

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.74 AU - 1.08 AU

Year: 579 Days

Day: 6.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,196,519 km

• M1: 102,026 km (0.098 R)
• M2: 436,676 km (0.056 R)
• M3: 785,389 km (0.102 R)
• M4: 1,378,245 km (0.082 R)
• M5: 1,748,650 km (0.07 R)
• M6: 2,232,000 km (0.03 R)
• M7: 2,858,067 km (0.053 R)
• M8: 3,503,881 km (0.096 R)
• M9: 5,117,145 km (0.057 R)
• M10: 6,029,542 km (0.047 R)
• M11: 6,695,552 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.7

Radius: 9.9

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.98 AU - 1.48 AU

Year: 910 Days

Day: 10 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,196,519 km

• M1: 123,119 km (0.072 R)
• M2: 621,878 km (0.043 R)
• M3: 1,049,579 km (0.105 R)
• M4: 1,427,762 km (0.11 R)
• M5: 1,743,713 km (0.12 R)
• M6: 2,262,219 km (0.051 R)
• M7: 2,904,592 km (0.075 R)
• M8: 3,622,512 km (0.11 R)
• M9: 4,518,454 km (0.119 R)
• M10: 5,246,846 km (0.059 R)
• M11: 6,310,337 km (0.1 R)
• M12: 6,786,657 km (0.104 R)
• M13: 7,286,763 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.8

Radius: 12.1

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.36 AU - 1.42 AU

Year: 1093 Days

Day: 8.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,196,519 km

• M1: 150,495 km (0.094 R)
• M2: 766,240 km (0.104 R)
• M3: 1,243,757 km (0.085 R)
• M4: 1,714,990 km (0.098 R)
• M5: 2,464,176 km (0.108 R)
• M6: 3,509,566 km (0.075 R)
• M7: 4,091,801 km (0.081 R)
• M8: 4,521,147 km (0.093 R)
• M9: 5,251,334 km (0.074 R)
• M10: 6,123,938 km (0.109 R)
• M11: 6,946,876 km (0.082 R)
• M12: 7,611,240 km (0.098 R)
• M13: 8,981,707 km (0.104 R)
• M14: 9,800,904 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.5

Radius: 9.4

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.69 AU - 4.41 AU

Year: 4460 Days

Day: 10.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,196,519 km

• M1: 116,836 km (0.095 R)
• M2: 573,708 km (0.088 R)
• M3: 1,171,351 km (0.117 R)
• M4: 1,475,783 km (0.07 R)
• M5: 1,953,599 km (0.065 R)
• M6: 2,473,750 km (0.12 R)
• M7: 2,854,028 km (0.055 R)
• M8: 4,405,657 km (0.085 R)
• M9: 5,037,858 km (0.108 R)
• M10: 5,806,941 km (0.105 R)
• M11: 7,209,720 km (0.08 R)
• M12: 7,990,321 km (0.113 R)
• M13: 8,417,872 km (0.096 R)
• M14: 9,211,788 km (0.09 R)
• M15: 9,718,925 km (0.088 R)
• M16: 10,436,845 km (0.053 R)
• M17: 10,749,654 km (0.045 R)
• M18: 11,683,743 km (0.118 R)
• M19: 12,803,633 km (0.104 R)
• M20: 13,852,763 km (0.073 R)
• M21: 17,181,016 km (0.098 R)
• M22: 19,793,294 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.4

Radius: 6.8

Gravity: 15.73 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.58 AU - 6.96 AU

Year: 10470 Days

Day: 20.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,196,519 km

• M1: 86,168 km (0.054 R)
• M2: 363,672 km (0.065 R)
• M3: 1,628,074 km (0.093 R)
• M4: 2,261,321 km (0.118 R)
• M5: 3,024,869 km (0.053 R)
• M6: 4,520,249 km (0.059 R)
• M7: 5,048,330 km (0.058 R)
• M8: 5,791,682 km (0.066 R)
• M9: 6,376,609 km (0.113 R)
• M10: 7,536,292 km (0.118 R)
• M11: 7,879,469 km (0.117 R)
• M12: 8,597,090 km (0.086 R)
• M13: 10,848,987 km (0.094 R)
• M14: 11,231,359 km (0.066 R)
• M15: 13,717,826 km (0.103 R)
• M16: 15,223,977 km (0.119 R)
• M17: 17,647,762 km (0.117 R)
• M18: 18,951,058 km (0.08 R)
• M19: 20,648,097 km (0.12 R)
• M20: 21,490,781 km (0.068 R)
• M21: 22,268,541 km (0.11 R)
• M22: 22,797,369 km (0.064 R)
• M23: 28,658,913 km (0.032 R)
• M24: 30,347,723 km (0.058 R)
• M25: 31,326,093 km (0.112 R)
• M26: 40,835,132 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 308.4

Radius: 5.9

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 7.46 AU - 9.82 AU

Year: 16936 Days

Day: 20.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,196,519 km

• M1: 89,011 km (0.09 R)
• M2: 576,999 km (0.084 R)
• M3: 897,587 km (0.099 R)
• M4: 2,385,637 km (0.094 R)
• M5: 3,094,432 km (0.081 R)
• M6: 4,046,473 km (0.064 R)
• M7: 4,918,778 km (0.095 R)
• M8: 5,519,563 km (0.107 R)
• M9: 7,921,506 km (0.095 R)
• M10: 9,726,255 km (0.116 R)
• M11: 10,832,831 km (0.082 R)
• M12: 13,930,255 km (0.113 R)
• M13: 14,787,750 km (0.08 R)
• M14: 17,196,275 km (0.106 R)
• M15: 18,966,317 km (0.113 R)
• M16: 21,452,783 km (0.074 R)
• M17: 21,712,934 km (0.092 R)
• M18: 23,869,238 km (0.049 R)
• M19: 24,242,036 km (0.094 R)
• M20: 25,674,585 km (0.116 R)
• M21: 28,498,095 km (0.038 R)
• M22: 29,447,892 km (0.115 R)
• M23: 32,196,603 km (0.057 R)
• M24: 32,766,122 km (0.071 R)
• M25: 33,226,585 km (0.072 R)
• M26: 33,574,849 km (0.082 R)
• M27: 34,160,524 km (0.074 R)
• M28: 37,692,380 km (0.112 R)
• M29: 39,611,422 km (0.061 R)
• M30: 41,729,129 km (0.055 R)
• M31: 44,762,525 km (0.033 R)
• M32: 48,831,587 km (0.084 R)
• M33: 51,728,849 km (0.072 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 10,553 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit