🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.9

Radius: 12

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.88 AU - 1.38 AU

Year: 815 Days

Day: 7.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,807,870 km

• M1: 149,299 km (0.082 R)
• M2: 523,443 km (0.075 R)
• M3: 912,547 km (0.057 R)
• M4: 1,294,470 km (0.098 R)
• M5: 2,053,680 km (0.07 R)
• M6: 3,222,189 km (0.092 R)
• M7: 3,831,351 km (0.07 R)
• M8: 4,220,006 km (0.108 R)
• M9: 4,721,309 km (0.067 R)
• M10: 5,904,628 km (0.117 R)
• M11: 6,404,285 km (0.098 R)
• M12: 7,704,889 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.9

Radius: 9

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.98 AU - 1.64 AU

Year: 1017 Days

Day: 5.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,807,870 km

• M1: 112,498 km (0.096 R)
• M2: 419,472 km (0.043 R)
• M3: 1,186,610 km (0.063 R)
• M4: 1,473,539 km (0.101 R)
• M5: 1,762,113 km (0.106 R)
• M6: 2,048,144 km (0.049 R)
• M7: 3,114,328 km (0.092 R)
• M8: 4,077,140 km (0.084 R)
• M9: 4,852,057 km (0.094 R)
• M10: 5,440,875 km (0.038 R)
• M11: 5,845,387 km (0.103 R)
• M12: 6,875,518 km (0.077 R)
• M13: 9,235,275 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.6

Radius: 12.9

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.1 AU - 1.72 AU

Year: 1136 Days

Day: 13.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,807,870 km

• M1: 201,957 km (0.113 R)
• M2: 741,856 km (0.112 R)
• M3: 1,324,540 km (0.107 R)
• M4: 2,280,620 km (0.12 R)
• M5: 4,637,534 km (0.117 R)
• M6: 5,040,850 km (0.081 R)
• M7: 5,538,263 km (0.11 R)
• M8: 6,532,640 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.7

Radius: 14.3

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.49 AU - 1.69 AU

Year: 1360 Days

Day: 7.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,807,870 km

• M1: 177,872 km (0.103 R)
• M2: 661,671 km (0.037 R)
• M3: 1,342,491 km (0.043 R)
• M4: 1,947,465 km (0.099 R)
• M5: 2,449,516 km (0.105 R)
• M6: 3,010,807 km (0.097 R)
• M7: 3,487,725 km (0.109 R)
• M8: 4,032,111 km (0.105 R)
• M9: 5,033,819 km (0.114 R)
• M10: 5,520,461 km (0.118 R)
• M11: 6,925,633 km (0.1 R)
• M12: 8,059,436 km (0.086 R)
• M13: 8,930,245 km (0.102 R)
• M14: 11,641,856 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.6

Radius: 11.4

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.76 AU - 2.94 AU

Year: 3263 Days

Day: 8 Hours

Environment

Temp: -210 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,807,870 km

• M1: 141,819 km (0.091 R)
• M2: 563,984 km (0.079 R)
• M3: 1,041,351 km (0.068 R)
• M4: 1,479,972 km (0.116 R)
• M5: 1,860,848 km (0.116 R)
• M6: 2,278,824 km (0.113 R)
• M7: 2,677,652 km (0.089 R)
• M8: 3,051,497 km (0.11 R)
• M9: 3,801,282 km (0.1 R)
• M10: 4,276,255 km (0.073 R)
• M11: 4,814,807 km (0.04 R)
• M12: 5,803,949 km (0.095 R)
• M13: 6,495,390 km (0.074 R)
• M14: 6,923,539 km (0.103 R)
• M15: 8,042,531 km (0.111 R)
• M16: 9,164,515 km (0.093 R)
• M17: 9,782,953 km (0.091 R)
• M18: 10,183,576 km (0.117 R)
• M19: 11,103,453 km (0.096 R)
• M20: 12,353,493 km (0.057 R)
• M21: 13,744,604 km (0.076 R)
• M22: 15,290,847 km (0.075 R)
• M23: 15,722,138 km (0.092 R)
• M24: 20,623,562 km (0.057 R)
• M25: 23,633,172 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.8

Radius: 14.3

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.66 AU - 3.98 AU

Year: 4103 Days

Day: 11.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,807,870 km

• M1: 177,872 km (0.113 R)
• M2: 781,200 km (0.039 R)
• M3: 1,446,611 km (0.072 R)
• M4: 1,892,413 km (0.067 R)
• M5: 2,462,979 km (0.12 R)
• M6: 2,965,479 km (0.077 R)
• M7: 3,618,174 km (0.117 R)
• M8: 4,295,703 km (0.063 R)
• M9: 4,928,203 km (0.094 R)
• M10: 5,401,979 km (0.057 R)
• M11: 6,081,453 km (0.115 R)
• M12: 7,441,297 km (0.088 R)
• M13: 8,616,089 km (0.088 R)
• M14: 9,111,707 km (0.109 R)
• M15: 11,742,834 km (0.057 R)
• M16: 12,448,787 km (0.117 R)
• M17: 14,576,966 km (0.109 R)
• M18: 17,056,401 km (0.096 R)
• M19: 18,458,881 km (0.119 R)
• M20: 21,010,871 km (0.088 R)
• M21: 22,193,742 km (0.039 R)
• M22: 23,127,980 km (0.034 R)
• M23: 24,088,249 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.2

Radius: 9.6

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.94 AU - 6.14 AU

Year: 8844 Days

Day: 9.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,807,870 km

• M1: 119,529 km (0.086 R)
• M2: 648,058 km (0.054 R)
• M3: 1,345,932 km (0.116 R)
• M4: 1,679,834 km (0.066 R)
• M5: 7,406,142 km (0.073 R)
• M6: 10,207,362 km (0.109 R)
• M7: 11,766,920 km (0.102 R)
• M8: 16,542,233 km (0.1 R)
• M9: 19,248,010 km (0.112 R)
• M10: 21,005,935 km (0.052 R)
• M11: 23,921,896 km (0.077 R)
• M12: 25,348,013 km (0.12 R)
• M13: 29,301,137 km (0.108 R)
• M14: 29,965,650 km (0.105 R)
• M15: 34,271,077 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.3

Radius: 7.9

Gravity: 14.67 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.29 AU - 6.39 AU

Year: 9572 Days

Day: 20.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 41,807,870 km

• M1: 111,002 km (0.038 R)
• M2: 997,818 km (0.058 R)
• M3: 1,295,518 km (0.12 R)
• M4: 1,713,195 km (0.047 R)
• M5: 2,039,617 km (0.107 R)
• M6: 2,711,761 km (0.045 R)
• M7: 3,181,199 km (0.115 R)
• M8: 4,983,105 km (0.119 R)
• M9: 6,156,401 km (0.111 R)
• M10: 7,007,763 km (0.073 R)
• M11: 8,566,872 km (0.097 R)
• M12: 9,038,105 km (0.096 R)
• M13: 9,676,439 km (0.056 R)
• M14: 11,097,918 km (0.064 R)
• M15: 11,887,346 km (0.11 R)
• M16: 13,079,342 km (0.109 R)
• M17: 14,546,299 km (0.082 R)
• M18: 14,879,154 km (0.116 R)
• M19: 15,353,828 km (0.104 R)
• M20: 16,049,308 km (0.092 R)
• M21: 26,896,351 km (0.105 R)
• M22: 27,702,235 km (0.091 R)
• M23: 28,941,204 km (0.08 R)
• M24: 30,541,153 km (0.097 R)
• M25: 31,418,246 km (0.087 R)
• M26: 37,408,294 km (0.106 R)
• M27: 38,033,613 km (0.117 R)
• M28: 42,471,883 km (0.11 R)
• M29: 42,879,238 km (0.091 R)
• M30: 46,090,057 km (0.116 R)
• M31: 50,059,487 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 666.6

Radius: 6.9

Gravity: 14 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.94 AU - 9.84 AU

Year: 16483 Days

Day: 24.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,807,870 km

• M1: 346,917 km (0.07 R)
• M2: 1,222,663 km (0.063 R)
• M3: 2,443,083 km (0.107 R)
• M4: 3,123,005 km (0.047 R)
• M5: 6,158,047 km (0.115 R)
• M6: 8,918,277 km (0.089 R)
• M7: 11,340,865 km (0.106 R)
• M8: 13,819,403 km (0.104 R)
• M9: 17,034,710 km (0.08 R)
• M10: 20,534,103 km (0.079 R)
• M11: 21,176,027 km (0.051 R)
• M12: 22,020,807 km (0.118 R)
• M13: 22,307,286 km (0.079 R)
• M14: 28,460,546 km (0.102 R)
• M15: 31,862,102 km (0.065 R)
• M16: 33,220,302 km (0.046 R)
• M17: 33,723,549 km (0.112 R)
• M18: 38,761,407 km (0.116 R)
• M19: 42,779,157 km (0.098 R)
• M20: 44,278,726 km (0.099 R)
• M21: 50,132,341 km (0.083 R)
• M22: 55,241,108 km (0.067 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.3

Radius: 3.8

Gravity: 11.59 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7.12 AU - 9.66 AU

Year: 16483 Days

Day: 19.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 41,807,870 km

• M1: 47,423 km (0.093 R)
• M2: 188,194 km (0.068 R)
• M3: 417,677 km (0.097 R)
• M4: 603,179 km (0.065 R)
• M5: 1,807,292 km (0.094 R)
• M6: 1,931,458 km (0.098 R)
• M7: 2,162,587 km (0.115 R)
• M8: 2,740,035 km (0.096 R)
• M9: 3,298,483 km (0.049 R)
• M10: 4,165,254 km (0.093 R)
• M11: 4,327,866 km (0.102 R)
• M12: 4,900,377 km (0.078 R)
• M13: 5,393,602 km (0.102 R)
• M14: 6,055,722 km (0.112 R)
• M15: 6,335,171 km (0.062 R)
• M16: 7,420,503 km (0.072 R)
• M17: 7,699,952 km (0.105 R)
• M18: 8,624,018 km (0.077 R)
• M19: 8,888,357 km (0.053 R)
• M20: 9,067,576 km (0.113 R)
• M21: 9,666,715 km (0.041 R)
• M22: 10,048,190 km (0.071 R)
• M23: 13,062,587 km (0.087 R)
• M24: 14,066,389 km (0.083 R)
• M25: 17,315,056 km (0.064 R)
• M26: 22,904,631 km (0.096 R)
• M27: 33,098,828 km (0.039 R)
• M28: 33,746,138 km (0.118 R)
• M29: 34,073,009 km (0.045 R)
• M30: 36,192,063 km (0.094 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 10,595 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit