🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.9

Radius: 11.2

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.52 AU - 0.58 AU

Year: 287 Days

Day: 6.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 67,831,039 km

• M1: 139,276 km (0.072 R)
• M2: 493,523 km (0.111 R)
• M3: 939,475 km (0.099 R)
• M4: 1,424,920 km (0.075 R)
• M5: 1,783,207 km (0.08 R)
• M6: 2,556,029 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.6

Radius: 13

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.19 AU - 1.55 AU

Year: 1127 Days

Day: 7.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,831,039 km

• M1: 161,715 km (0.097 R)
• M2: 654,191 km (0.055 R)
• M3: 1,194,389 km (0.091 R)
• M4: 1,721,423 km (0.09 R)
• M5: 2,189,664 km (0.095 R)
• M6: 3,020,082 km (0.113 R)
• M7: 3,647,196 km (0.084 R)
• M8: 5,528,838 km (0.039 R)
• M9: 6,020,417 km (0.062 R)
• M10: 6,752,848 km (0.114 R)
• M11: 8,396,031 km (0.078 R)
• M12: 9,047,380 km (0.081 R)
• M13: 9,793,275 km (0.113 R)
• M14: 11,071,738 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.3

Radius: 13

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.41 AU - 1.45 AU

Year: 1202 Days

Day: 9.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,831,039 km

• M1: 164,408 km (0.108 R)
• M2: 819,647 km (0.12 R)
• M3: 1,329,177 km (0.116 R)
• M4: 2,139,100 km (0.119 R)
• M5: 2,871,382 km (0.076 R)
• M6: 4,997,766 km (0.075 R)
• M7: 6,040,612 km (0.069 R)
• M8: 6,970,662 km (0.118 R)
• M9: 7,387,292 km (0.119 R)
• M10: 8,194,971 km (0.117 R)
• M11: 9,251,880 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315

Radius: 10.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.03 AU - 2.19 AU

Year: 2154 Days

Day: 12.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,831,039 km

• M1: 134,638 km (0.056 R)
• M2: 474,375 km (0.079 R)
• M3: 816,206 km (0.092 R)
• M4: 2,359,158 km (0.045 R)
• M5: 3,377,621 km (0.108 R)
• M6: 4,290,317 km (0.116 R)
• M7: 4,725,797 km (0.037 R)
• M8: 5,232,784 km (0.049 R)
• M9: 6,897,958 km (0.113 R)
• M10: 9,072,812 km (0.037 R)
• M11: 10,052,379 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.8

Radius: 9.6

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.81 AU - 3.61 AU

Year: 4043 Days

Day: 5.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,831,039 km

• M1: 119,678 km (0.102 R)
• M2: 425,008 km (0.088 R)
• M3: 759,060 km (0.069 R)
• M4: 1,083,089 km (0.095 R)
• M5: 1,619,846 km (0.053 R)
• M6: 1,971,850 km (0.11 R)
• M7: 2,512,795 km (0.094 R)
• M8: 2,959,644 km (0.105 R)
• M9: 3,856,633 km (0.107 R)
• M10: 4,174,828 km (0.078 R)
• M11: 4,626,314 km (0.105 R)
• M12: 5,131,207 km (0.095 R)
• M13: 6,468,911 km (0.1 R)
• M14: 8,400,070 km (0.069 R)
• M15: 10,448,663 km (0.029 R)
• M16: 12,161,110 km (0.102 R)
• M17: 12,732,574 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 955.9

Radius: 3.2

Gravity: 93.35 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.19 AU - 6.11 AU

Year: 9440 Days

Day: 19.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,831,039 km

• M1: 39,793 km (0.103 R)
• M2: 239,057 km (0.068 R)
• M3: 490,083 km (0.059 R)
• M4: 658,380 km (0.073 R)
• M5: 854,204 km (0.115 R)
• M6: 1,099,395 km (0.106 R)
• M7: 1,824,346 km (0.115 R)
• M8: 2,565,005 km (0.076 R)
• M9: 3,071,693 km (0.119 R)
• M10: 4,796,108 km (0.12 R)
• M11: 4,955,729 km (0.11 R)
• M12: 12,137,773 km (0.096 R)
• M13: 14,381,442 km (0.119 R)
• M14: 16,813,305 km (0.117 R)
• M15: 17,033,662 km (0.106 R)
• M16: 17,181,764 km (0.032 R)
• M17: 23,371,376 km (0.069 R)
• M18: 27,412,314 km (0.099 R)
• M19: 27,922,293 km (0.103 R)
• M20: 28,961,250 km (0.064 R)
• M21: 29,172,183 km (0.08 R)
• M22: 29,703,704 km (0.048 R)
• M23: 33,259,795 km (0.036 R)
• M24: 33,839,936 km (0.077 R)
• M25: 34,191,192 km (0.038 R)
• M26: 41,871,397 km (0.067 R)
• M27: 43,782,809 km (0.05 R)
• M28: 48,665,534 km (0.069 R)
• M29: 48,814,384 km (0.073 R)
• M30: 48,963,533 km (0.095 R)
• M31: 50,777,257 km (0.106 R)
• M32: 51,391,656 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.5

Radius: 7.6

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 8.81 AU - 9.01 AU

Year: 18695 Days

Day: 20.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,831,039 km

• M1: 94,546 km (0.081 R)
• M2: 338,690 km (0.091 R)
• M3: 633,248 km (0.083 R)
• M4: 1,054,815 km (0.072 R)
• M5: 1,622,090 km (0.053 R)
• M6: 2,179,342 km (0.088 R)
• M7: 3,047,757 km (0.057 R)
• M8: 3,981,248 km (0.119 R)
• M9: 4,466,693 km (0.047 R)
• M10: 5,815,168 km (0.034 R)
• M11: 7,371,585 km (0.034 R)
• M12: 7,869,596 km (0.118 R)
• M13: 8,341,577 km (0.105 R)
• M14: 9,925,669 km (0.113 R)
• M15: 12,005,229 km (0.088 R)
• M16: 13,744,155 km (0.08 R)
• M17: 14,498,577 km (0.118 R)
• M18: 14,921,490 km (0.115 R)
• M19: 16,772,764 km (0.057 R)
• M20: 19,529,254 km (0.054 R)
• M21: 21,374,843 km (0.034 R)
• M22: 22,015,122 km (0.083 R)
• M23: 33,335,342 km (0.111 R)
• M24: 37,787,375 km (0.111 R)
• M25: 39,948,466 km (0.046 R)
• M26: 41,199,553 km (0.094 R)
• M27: 42,620,134 km (0.106 R)
• M28: 43,197,432 km (0.114 R)
• M29: 45,408,638 km (0.106 R)
• M30: 48,472,852 km (0.072 R)
• M31: 51,346,178 km (0.078 R)
• M32: 53,825,613 km (0.036 R)
• M33: 55,351,063 km (0.116 R)
• M34: 58,487,831 km (0.094 R)
• M35: 59,379,883 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 362.7

Radius: 5.9

Gravity: 10.42 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 10.24 AU - 10.3 AU

Year: 23135 Days

Day: 23.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,831,039 km

• M1: 80,035 km (0.061 R)
• M2: 383,270 km (0.114 R)
• M3: 986,897 km (0.079 R)
• M4: 2,530,598 km (0.1 R)
• M5: 3,970,327 km (0.115 R)
• M6: 4,377,383 km (0.11 R)
• M7: 5,385,823 km (0.086 R)
• M8: 7,427,235 km (0.073 R)
• M9: 12,229,476 km (0.081 R)
• M10: 20,361,317 km (0.095 R)
• M11: 22,429,358 km (0.043 R)
• M12: 23,614,323 km (0.091 R)
• M13: 32,351,736 km (0.112 R)
• M14: 43,171,103 km (0.09 R)
• M15: 53,353,333 km (0.069 R)
• M16: 57,436,307 km (0.044 R)
• M17: 59,647,065 km (0.099 R)
• M18: 64,041,801 km (0.099 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 19,852 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit