🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.8

Radius: 9.9

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.52 AU - 0.68 AU

Year: 310 Days

Day: 10.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,292,008 km

• M1: 124,166 km (0.074 R)
• M2: 509,381 km (0.105 R)
• M3: 1,000,959 km (0.087 R)
• M4: 1,552,826 km (0.03 R)
• M5: 2,061,459 km (0.036 R)
• M6: 2,397,755 km (0.063 R)
• M7: 3,030,703 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.8

Radius: 14.7

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.57 AU - 0.85 AU

Year: 399 Days

Day: 8.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,292,008 km

• M1: 182,809 km (0.077 R)
• M2: 745,596 km (0.112 R)
• M3: 1,283,251 km (0.092 R)
• M4: 1,778,569 km (0.088 R)
• M5: 2,385,637 km (0.083 R)
• M6: 3,251,659 km (0.107 R)
• M7: 3,721,696 km (0.116 R)
• M8: 4,224,195 km (0.106 R)
• M9: 4,742,701 km (0.052 R)
• M10: 5,383,130 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.5

Radius: 13.2

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.73 AU - 0.97 AU

Year: 523 Days

Day: 5.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 77,292,008 km

• M1: 166,353 km (0.107 R)
• M2: 592,408 km (0.088 R)
• M3: 1,107,772 km (0.077 R)
• M4: 1,779,616 km (0.042 R)
• M5: 3,975,713 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38

Radius: 12.3

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.82 AU - 0.88 AU

Year: 523 Days

Day: 13.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 77,292,008 km

• M1: 212,728 km (0.059 R)
• M2: 641,326 km (0.028 R)
• M3: 1,332,917 km (0.056 R)
• M4: 1,886,728 km (0.072 R)
• M5: 2,271,793 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.4

Radius: 8.5

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.23 AU - 1.39 AU

Year: 1000 Days

Day: 12.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,292,008 km

• M1: 105,766 km (0.073 R)
• M2: 370,404 km (0.069 R)
• M3: 722,857 km (0.106 R)
• M4: 1,072,617 km (0.064 R)
• M5: 1,376,600 km (0.109 R)
• M6: 1,755,830 km (0.106 R)
• M7: 2,143,737 km (0.118 R)
• M8: 2,633,521 km (0.097 R)
• M9: 2,979,391 km (0.103 R)
• M10: 3,328,553 km (0.069 R)
• M11: 4,711,435 km (0.098 R)
• M12: 5,007,190 km (0.077 R)
• M13: 5,352,313 km (0.107 R)
• M14: 5,636,100 km (0.074 R)
• M15: 6,172,259 km (0.098 R)
• M16: 6,612,375 km (0.106 R)
• M17: 8,458,264 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.4

Radius: 9.1

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.61 AU - 2.19 AU

Year: 1746 Days

Day: 12.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,292,008 km

• M1: 117,434 km (0.082 R)
• M2: 470,635 km (0.106 R)
• M3: 899,831 km (0.103 R)
• M4: 1,271,432 km (0.1 R)
• M5: 1,898,995 km (0.088 R)
• M6: 2,444,280 km (0.054 R)
• M7: 3,105,502 km (0.049 R)
• M8: 3,510,912 km (0.054 R)
• M9: 3,881,317 km (0.039 R)
• M10: 4,740,757 km (0.097 R)
• M11: 5,026,040 km (0.062 R)
• M12: 5,882,188 km (0.064 R)
• M13: 6,806,853 km (0.107 R)
• M14: 7,493,208 km (0.063 R)
• M15: 8,911,545 km (0.075 R)
• M16: 9,379,487 km (0.1 R)
• M17: 10,061,953 km (0.12 R)
• M18: 10,398,398 km (0.073 R)
• M19: 12,771,918 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.2

Radius: 14.1

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.77 AU - 2.91 AU

Year: 2387 Days

Day: 9.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,292,008 km

• M1: 175,329 km (0.035 R)
• M2: 672,592 km (0.086 R)
• M3: 1,326,634 km (0.094 R)
• M4: 2,052,932 km (0.082 R)
• M5: 2,705,926 km (0.073 R)
• M6: 3,434,767 km (0.05 R)
• M7: 4,468,788 km (0.106 R)
• M8: 5,347,974 km (0.106 R)
• M9: 6,641,248 km (0.107 R)
• M10: 7,682,449 km (0.09 R)
• M11: 8,161,013 km (0.117 R)
• M12: 9,748,096 km (0.077 R)
• M13: 10,794,384 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.8

Radius: 7.8

Gravity: 13.16 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.81 AU - 9.57 AU

Year: 14221 Days

Day: 23.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,292,008 km

• M1: 99,483 km (0.092 R)
• M2: 393,891 km (0.102 R)
• M3: 913,893 km (0.114 R)
• M4: 1,351,916 km (0.082 R)
• M5: 2,108,881 km (0.115 R)
• M6: 2,807,204 km (0.039 R)
• M7: 3,486,229 km (0.117 R)
• M8: 5,945,767 km (0.071 R)
• M9: 6,632,272 km (0.064 R)
• M10: 7,461,044 km (0.034 R)
• M11: 8,554,455 km (0.085 R)
• M12: 11,055,582 km (0.072 R)
• M13: 11,414,168 km (0.102 R)
• M14: 13,459,620 km (0.114 R)
• M15: 14,285,849 km (0.11 R)
• M16: 16,421,957 km (0.099 R)
• M17: 16,967,839 km (0.072 R)
• M18: 17,768,487 km (0.117 R)
• M19: 18,510,493 km (0.105 R)
• M20: 23,206,968 km (0.101 R)
• M21: 23,696,602 km (0.046 R)
• M22: 30,938,784 km (0.093 R)
• M23: 34,994,233 km (0.094 R)
• M24: 38,838,898 km (0.095 R)
• M25: 41,361,717 km (0.082 R)
• M26: 42,663,218 km (0.092 R)
• M27: 44,892,675 km (0.096 R)
• M28: 45,652,782 km (0.11 R)
• M29: 55,106,919 km (0.103 R)
• M30: 63,854,355 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.8

Radius: 4.7

Gravity: 23.67 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 8.53 AU - 12.93 AU

Year: 23438 Days

Day: 23.3 Hours

Environment

Temp: -246 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,292,008 km

• M1: 128,953 km (0.091 R)
• M2: 298,747 km (0.12 R)
• M3: 508,932 km (0.063 R)
• M4: 657,931 km (0.062 R)
• M5: 836,850 km (0.115 R)
• M6: 1,126,173 km (0.101 R)
• M7: 1,463,366 km (0.115 R)
• M8: 1,647,222 km (0.071 R)
• M9: 2,734,350 km (0.096 R)
• M10: 2,910,427 km (0.088 R)
• M11: 3,175,065 km (0.065 R)
• M12: 3,341,568 km (0.109 R)
• M13: 3,572,547 km (0.083 R)
• M14: 4,927,604 km (0.118 R)
• M15: 5,342,589 km (0.089 R)
• M16: 7,674,520 km (0.03 R)
• M17: 8,707,045 km (0.069 R)
• M18: 8,979,014 km (0.077 R)
• M19: 10,064,346 km (0.112 R)
• M20: 13,694,638 km (0.116 R)
• M21: 15,205,726 km (0.103 R)
• M22: 16,245,431 km (0.077 R)
• M23: 18,914,257 km (0.065 R)
• M24: 23,917,109 km (0.07 R)
• M25: 25,985,898 km (0.032 R)
• M26: 27,352,325 km (0.044 R)
• M27: 28,885,703 km (0.06 R)
• M28: 31,228,705 km (0.101 R)
• M29: 35,180,931 km (0.038 R)
• M30: 40,198,145 km (0.065 R)
• M31: 40,348,191 km (0.06 R)
• M32: 40,649,182 km (0.069 R)
• M33: 46,989,140 km (0.098 R)
• M34: 47,155,493 km (0.092 R)
• M35: 49,012,152 km (0.098 R)
• M36: 55,800,604 km (0.112 R)
• M37: 61,981,689 km (0.058 R)
• M38: 67,963,509 km (0.1 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 15,511 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit