🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959

Radius: 13.6

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.79 AU - 0.95 AU

Year: 541 Days

Day: 8.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,722,796 km

• M1: 171,589 km (0.082 R)
• M2: 610,808 km (0.054 R)
• M3: 1,041,052 km (0.07 R)
• M4: 1,486,704 km (0.059 R)
• M5: 3,271,257 km (0.117 R)
• M6: 3,798,290 km (0.108 R)
• M7: 4,366,612 km (0.092 R)
• M8: 5,299,205 km (0.091 R)
• M9: 6,400,545 km (0.1 R)
• M10: 6,932,066 km (0.07 R)
• M11: 7,382,655 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.9

Radius: 11.7

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.81 AU - 1.15 AU

Year: 647 Days

Day: 12.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 73.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,722,796 km

• M1: 145,559 km (0.037 R)
• M2: 559,346 km (0.111 R)
• M3: 1,037,910 km (0.064 R)
• M4: 1,857,706 km (0.11 R)
• M5: 2,305,303 km (0.08 R)
• M6: 2,692,762 km (0.084 R)
• M7: 3,101,912 km (0.088 R)
• M8: 3,968,383 km (0.078 R)
• M9: 4,718,915 km (0.08 R)
• M10: 5,528,689 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.1

Radius: 8.1

Gravity: 11.42 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.95 AU - 1.23 AU

Year: 759 Days

Day: 8.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,722,796 km

• M1: 100,829 km (0.079 R)
• M2: 376,837 km (0.071 R)
• M3: 777,311 km (0.102 R)
• M4: 1,099,096 km (0.059 R)
• M5: 1,556,715 km (0.111 R)
• M6: 2,156,154 km (0.08 R)
• M7: 2,685,880 km (0.041 R)
• M8: 3,866,955 km (0.065 R)
• M9: 4,531,020 km (0.086 R)
• M10: 5,570,426 km (0.101 R)
• M11: 6,892,871 km (0.071 R)
• M12: 7,627,397 km (0.112 R)
• M13: 8,261,692 km (0.046 R)
• M14: 8,799,347 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456

Radius: 10.6

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.22 AU - 1.86 AU

Year: 1274 Days

Day: 13.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,722,796 km

• M1: 131,796 km (0.106 R)
• M2: 557,850 km (0.044 R)
• M3: 912,846 km (0.106 R)
• M4: 1,260,661 km (0.116 R)
• M5: 1,780,065 km (0.048 R)
• M6: 2,484,372 km (0.115 R)
• M7: 2,824,557 km (0.061 R)
• M8: 4,055,000 km (0.08 R)
• M9: 4,547,626 km (0.112 R)
• M10: 5,118,192 km (0.107 R)
• M11: 5,531,381 km (0.114 R)
• M12: 6,160,141 km (0.064 R)
• M13: 7,024,518 km (0.116 R)
• M14: 7,362,609 km (0.099 R)
• M15: 7,711,621 km (0.084 R)
• M16: 9,134,446 km (0.108 R)
• M17: 9,983,414 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.6

Radius: 10.9

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.7 AU - 2.88 AU

Year: 3108 Days

Day: 10.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,722,796 km

• M1: 135,835 km (0.103 R)
• M2: 818,450 km (0.088 R)
• M3: 1,868,029 km (0.069 R)
• M4: 3,060,922 km (0.068 R)
• M5: 4,346,267 km (0.099 R)
• M6: 4,900,228 km (0.084 R)
• M7: 6,024,007 km (0.105 R)
• M8: 6,758,233 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.6

Radius: 15

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.18 AU - 3.58 AU

Year: 3259 Days

Day: 13.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 47,722,796 km

• M1: 186,848 km (0.097 R)
• M2: 1,370,017 km (0.063 R)
• M3: 4,236,013 km (0.082 R)
• M4: 6,609,683 km (0.042 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.6

Radius: 12

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.53 AU - 3.95 AU

Year: 4823 Days

Day: 11 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,722,796 km

• M1: 151,243 km (0.085 R)
• M2: 600,785 km (0.087 R)
• M3: 1,060,200 km (0.115 R)
• M4: 1,449,155 km (0.033 R)
• M5: 1,879,548 km (0.055 R)
• M6: 4,333,402 km (0.111 R)
• M7: 5,444,615 km (0.115 R)
• M8: 5,864,985 km (0.093 R)
• M9: 6,804,908 km (0.082 R)
• M10: 7,365,152 km (0.105 R)
• M11: 8,380,323 km (0.092 R)
• M12: 9,148,957 km (0.046 R)
• M13: 9,572,020 km (0.112 R)
• M14: 11,542,673 km (0.089 R)
• M15: 23,231,353 km (0.096 R)
• M16: 32,144,992 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.3

Radius: 11.6

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.41 AU - 4.55 AU

Year: 5295 Days

Day: 8.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,722,796 km

• M1: 144,212 km (0.106 R)
• M2: 537,206 km (0.112 R)
• M3: 954,285 km (0.065 R)
• M4: 1,476,082 km (0.04 R)
• M5: 2,405,983 km (0.06 R)
• M6: 3,349,048 km (0.058 R)
• M7: 4,523,540 km (0.033 R)
• M8: 5,052,668 km (0.108 R)
• M9: 5,682,176 km (0.076 R)
• M10: 7,132,976 km (0.046 R)
• M11: 8,539,346 km (0.113 R)
• M12: 9,817,211 km (0.088 R)
• M13: 10,844,798 km (0.073 R)
• M14: 13,971,544 km (0.107 R)
• M15: 16,403,107 km (0.108 R)
• M16: 17,146,758 km (0.105 R)
• M17: 17,654,793 km (0.042 R)
• M18: 18,173,000 km (0.095 R)
• M19: 20,418,464 km (0.116 R)
• M20: 22,388,518 km (0.083 R)
• M21: 23,848,893 km (0.119 R)
• M22: 26,618,996 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.7

Radius: 6.8

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.4 AU - 9.02 AU

Year: 14276 Days

Day: 24.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 47,722,796 km

• M1: 84,523 km (0.081 R)
• M2: 310,416 km (0.106 R)
• M3: 532,120 km (0.12 R)
• M4: 874,400 km (0.032 R)
• M5: 1,086,081 km (0.098 R)
• M6: 1,827,787 km (0.071 R)
• M7: 2,363,198 km (0.118 R)
• M8: 3,042,821 km (0.119 R)
• M9: 3,440,452 km (0.107 R)
• M10: 3,793,353 km (0.096 R)
• M11: 4,198,165 km (0.111 R)
• M12: 6,516,034 km (0.099 R)
• M13: 8,906,758 km (0.1 R)
• M14: 9,475,828 km (0.074 R)
• M15: 10,018,420 km (0.093 R)
• M16: 11,165,686 km (0.055 R)
• M17: 12,514,161 km (0.061 R)
• M18: 14,348,381 km (0.094 R)
• M19: 19,310,542 km (0.091 R)
• M20: 20,181,950 km (0.061 R)
• M21: 20,749,973 km (0.036 R)
• M22: 22,604,537 km (0.051 R)
• M23: 24,201,944 km (0.09 R)
• M24: 27,520,922 km (0.096 R)
• M25: 27,818,771 km (0.107 R)
• M26: 30,385,123 km (0.068 R)
• M27: 31,889,180 km (0.116 R)
• M28: 33,781,443 km (0.082 R)
• M29: 37,179,858 km (0.076 R)
• M30: 37,787,973 km (0.083 R)
• M31: 41,316,538 km (0.06 R)
• M32: 44,102,799 km (0.089 R)
• M33: 46,588,666 km (0.074 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 15,373 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit