🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.7

Radius: 12.9

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.62 AU - 0.82 AU

Year: 394 Days

Day: 12.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,709,185 km

• M1: 160,519 km (0.109 R)
• M2: 581,637 km (0.113 R)
• M3: 1,120,787 km (0.097 R)
• M4: 1,541,008 km (0.065 R)
• M5: 1,977,833 km (0.053 R)
• M6: 2,754,097 km (0.069 R)
• M7: 3,529,612 km (0.054 R)
• M8: 4,012,514 km (0.089 R)
• M9: 4,647,557 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.4

Radius: 9.6

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.89 AU - 1.05 AU

Year: 617 Days

Day: 11.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 48,709,185 km

• M1: 119,529 km (0.114 R)
• M2: 562,488 km (0.053 R)
• M3: 902,524 km (0.112 R)
• M4: 1,444,068 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.1

Radius: 9.6

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.26 AU - 1.52 AU

Year: 1058 Days

Day: 11.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,709,185 km

• M1: 119,828 km (0.087 R)
• M2: 542,143 km (0.079 R)
• M3: 973,433 km (0.079 R)
• M4: 1,290,282 km (0.119 R)
• M5: 1,726,359 km (0.094 R)
• M6: 2,946,928 km (0.049 R)
• M7: 3,626,103 km (0.087 R)
• M8: 4,109,005 km (0.047 R)
• M9: 6,503,468 km (0.118 R)
• M10: 7,039,926 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.6

Radius: 10.3

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.25 AU - 1.83 AU

Year: 1234 Days

Day: 8.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,709,185 km

• M1: 129,253 km (0.12 R)
• M2: 573,259 km (0.115 R)
• M3: 923,019 km (0.061 R)
• M4: 1,293,722 km (0.092 R)
• M5: 2,100,952 km (0.102 R)
• M6: 3,258,541 km (0.115 R)
• M7: 3,769,866 km (0.103 R)
• M8: 4,245,139 km (0.086 R)
• M9: 5,112,507 km (0.095 R)
• M10: 5,461,519 km (0.097 R)
• M11: 6,026,401 km (0.097 R)
• M12: 6,847,693 km (0.03 R)
• M13: 9,152,248 km (0.119 R)
• M14: 9,761,710 km (0.083 R)
• M15: 10,528,698 km (0.054 R)
• M16: 11,789,060 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.4

Radius: 14.6

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.52 AU - 2.06 AU

Year: 1546 Days

Day: 11.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,709,185 km

• M1: 181,761 km (0.107 R)
• M2: 741,257 km (0.117 R)
• M3: 1,210,097 km (0.11 R)
• M4: 2,115,763 km (0.106 R)
• M5: 3,188,978 km (0.095 R)
• M6: 4,053,055 km (0.057 R)
• M7: 5,047,582 km (0.106 R)
• M8: 5,984,214 km (0.101 R)
• M9: 6,876,715 km (0.11 R)
• M10: 7,492,310 km (0.06 R)
• M11: 8,086,363 km (0.086 R)
• M12: 9,530,581 km (0.069 R)
• M13: 10,643,141 km (0.03 R)
• M14: 12,297,992 km (0.091 R)
• M15: 13,329,170 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569

Radius: 15

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.08 AU - 2.3 AU

Year: 2093 Days

Day: 12.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,709,185 km

• M1: 188,045 km (0.116 R)
• M2: 865,274 km (0.09 R)
• M3: 1,795,324 km (0.096 R)
• M4: 2,355,418 km (0.056 R)
• M5: 3,232,960 km (0.098 R)
• M6: 4,823,035 km (0.082 R)
• M7: 5,387,468 km (0.035 R)
• M8: 7,103,505 km (0.051 R)
• M9: 9,193,238 km (0.055 R)
• M10: 9,791,330 km (0.094 R)
• M11: 10,629,078 km (0.041 R)
• M12: 11,325,905 km (0.091 R)
• M13: 13,098,191 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675

Radius: 9.8

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.41 AU - 2.65 AU

Year: 2598 Days

Day: 10.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,709,185 km

• M1: 122,371 km (0.115 R)
• M2: 658,829 km (0.119 R)
• M3: 1,052,720 km (0.081 R)
• M4: 1,562,101 km (0.112 R)
• M5: 2,434,556 km (0.075 R)
• M6: 2,995,249 km (0.042 R)
• M7: 3,547,863 km (0.04 R)
• M8: 5,040,401 km (0.052 R)
• M9: 6,217,437 km (0.046 R)
• M10: 6,856,070 km (0.083 R)
• M11: 7,236,049 km (0.114 R)
• M12: 7,754,256 km (0.093 R)
• M13: 9,105,873 km (0.076 R)
• M14: 10,303,105 km (0.089 R)
• M15: 11,117,815 km (0.075 R)
• M16: 11,643,202 km (0.087 R)
• M17: 12,743,794 km (0.047 R)
• M18: 15,696,557 km (0.098 R)
• M19: 17,304,584 km (0.112 R)
• M20: 18,849,182 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.1

Radius: 12

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.19 AU - 6.69 AU

Year: 9347 Days

Day: 11.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,709,185 km

• M1: 149,299 km (0.075 R)
• M2: 543,190 km (0.1 R)
• M3: 1,117,047 km (0.08 R)
• M4: 1,700,180 km (0.063 R)
• M5: 2,592,830 km (0.109 R)
• M6: 3,301,027 km (0.072 R)
• M7: 3,800,384 km (0.106 R)
• M8: 6,252,293 km (0.077 R)
• M9: 7,173,667 km (0.096 R)
• M10: 7,647,144 km (0.057 R)
• M11: 8,439,414 km (0.118 R)
• M12: 9,517,417 km (0.06 R)
• M13: 11,199,046 km (0.059 R)
• M14: 13,303,888 km (0.037 R)
• M15: 17,921,975 km (0.089 R)
• M16: 23,083,699 km (0.078 R)
• M17: 29,860,184 km (0.087 R)
• M18: 31,925,233 km (0.088 R)
• M19: 41,140,910 km (0.041 R)
• M20: 42,277,106 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.8

Radius: 5.7

Gravity: 20.92 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.92 AU - 6.74 AU

Year: 10283 Days

Day: 24.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 48,709,185 km

• M1: 73,752 km (0.096 R)
• M2: 281,543 km (0.053 R)
• M3: 647,310 km (0.091 R)
• M4: 830,867 km (0.106 R)
• M5: 1,649,765 km (0.034 R)
• M6: 2,283,911 km (0.11 R)
• M7: 2,760,829 km (0.07 R)
• M8: 3,964,942 km (0.093 R)
• M9: 4,157,923 km (0.098 R)
• M10: 4,503,046 km (0.098 R)
• M11: 5,088,422 km (0.074 R)
• M12: 6,714,401 km (0.098 R)
• M13: 7,815,142 km (0.111 R)
• M14: 8,796,953 km (0.081 R)
• M15: 9,560,800 km (0.087 R)
• M16: 12,232,767 km (0.103 R)
• M17: 12,880,975 km (0.091 R)
• M18: 13,489,988 km (0.079 R)
• M19: 14,699,487 km (0.084 R)
• M20: 14,896,806 km (0.094 R)
• M21: 15,772,702 km (0.026 R)
• M22: 16,118,572 km (0.083 R)
• M23: 22,017,366 km (0.036 R)
• M24: 23,152,215 km (0.075 R)
• M25: 23,330,237 km (0.058 R)
• M26: 24,601,968 km (0.102 R)
• M27: 26,595,210 km (0.1 R)
• M28: 29,002,090 km (0.03 R)
• M29: 29,208,984 km (0.07 R)
• M30: 31,115,609 km (0.1 R)
• M31: 36,122,500 km (0.039 R)
• M32: 44,051,187 km (0.045 R)
• M33: 46,553,062 km (0.068 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 14,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit