🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.2

Radius: 10.1

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.43 AU - 0.71 AU

Year: 287 Days

Day: 14.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,253,728 km

• M1: 125,662 km (0.102 R)
• M2: 446,101 km (0.096 R)
• M3: 813,214 km (0.111 R)
• M4: 1,179,130 km (0.114 R)
• M5: 1,617,602 km (0.119 R)
• M6: 2,003,265 km (0.117 R)
• M7: 2,572,186 km (0.066 R)
• M8: 3,062,119 km (0.077 R)
• M9: 3,480,544 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.2

Radius: 8.4

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.52 AU - 0.64 AU

Year: 295 Days

Day: 13.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,253,728 km

• M1: 104,419 km (0.066 R)
• M2: 421,866 km (0.117 R)
• M3: 985,700 km (0.059 R)
• M4: 1,277,267 km (0.117 R)
• M5: 1,602,343 km (0.092 R)
• M6: 2,018,524 km (0.064 R)
• M7: 2,324,153 km (0.026 R)
• M8: 3,001,083 km (0.041 R)
• M9: 3,658,566 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.7

Radius: 12.8

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.66 AU - 0.72 AU

Year: 382 Days

Day: 12.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,253,728 km

• M1: 159,172 km (0.081 R)
• M2: 580,739 km (0.109 R)
• M3: 1,184,516 km (0.104 R)
• M4: 2,047,696 km (0.033 R)
• M5: 3,133,178 km (0.116 R)
• M6: 4,313,505 km (0.083 R)
• M7: 4,724,450 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.2

Radius: 8.1

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.81 AU - 0.93 AU

Year: 541 Days

Day: 11.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,253,728 km

• M1: 103,671 km (0.034 R)
• M2: 369,058 km (0.082 R)
• M3: 656,136 km (0.114 R)
• M4: 980,315 km (0.071 R)
• M5: 1,569,880 km (0.116 R)
• M6: 1,849,778 km (0.056 R)
• M7: 2,749,160 km (0.062 R)
• M8: 3,379,865 km (0.039 R)
• M9: 4,207,440 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746

Radius: 11.1

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.14 AU - 1.44 AU

Year: 977 Days

Day: 13.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,253,728 km

• M1: 138,079 km (0.046 R)
• M2: 492,476 km (0.113 R)
• M3: 897,438 km (0.116 R)
• M4: 1,308,533 km (0.1 R)
• M5: 1,855,612 km (0.116 R)
• M6: 2,469,711 km (0.108 R)
• M7: 2,857,020 km (0.114 R)
• M8: 3,441,649 km (0.092 R)
• M9: 4,287,475 km (0.109 R)
• M10: 4,651,895 km (0.095 R)
• M11: 5,463,314 km (0.119 R)
• M12: 7,318,029 km (0.093 R)
• M13: 8,255,708 km (0.084 R)
• M14: 10,368,778 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.9

Radius: 13

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.21 AU - 1.39 AU

Year: 988 Days

Day: 7.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,253,728 km

• M1: 162,164 km (0.119 R)
• M2: 775,665 km (0.08 R)
• M3: 1,218,175 km (0.056 R)
• M4: 2,094,221 km (0.067 R)
• M5: 3,592,294 km (0.048 R)
• M6: 4,511,573 km (0.069 R)
• M7: 5,697,734 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.7

Radius: 11.9

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.25 AU - 1.55 AU

Year: 1105 Days

Day: 13.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,253,728 km

• M1: 147,952 km (0.1 R)
• M2: 518,207 km (0.085 R)
• M3: 989,141 km (0.106 R)
• M4: 1,569,282 km (0.075 R)
• M5: 2,078,513 km (0.027 R)
• M6: 2,524,464 km (0.084 R)
• M7: 3,131,233 km (0.075 R)
• M8: 3,896,426 km (0.09 R)
• M9: 4,724,151 km (0.104 R)
• M10: 5,111,011 km (0.08 R)
• M11: 5,503,107 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889.7

Radius: 5

Gravity: 35.59 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.38 AU - 7.68 AU

Year: 12430 Days

Day: 16.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 61,253,728 km

• M1: 63,429 km (0.095 R)
• M2: 278,551 km (0.118 R)
• M3: 457,171 km (0.09 R)
• M4: 816,356 km (0.084 R)
• M5: 1,123,779 km (0.062 R)
• M6: 1,291,030 km (0.051 R)
• M7: 1,861,446 km (0.116 R)
• M8: 2,999,138 km (0.04 R)
• M9: 3,324,214 km (0.093 R)
• M10: 3,482,040 km (0.088 R)
• M11: 4,410,145 km (0.074 R)
• M12: 4,568,869 km (0.083 R)
• M13: 6,018,023 km (0.079 R)
• M14: 8,652,741 km (0.105 R)
• M15: 10,782,865 km (0.106 R)
• M16: 17,663,769 km (0.112 R)
• M17: 18,969,160 km (0.104 R)
• M18: 21,861,934 km (0.1 R)
• M19: 22,324,490 km (0.102 R)
• M20: 22,605,136 km (0.116 R)
• M21: 24,239,941 km (0.084 R)
• M22: 24,735,260 km (0.075 R)
• M23: 25,951,790 km (0.117 R)
• M24: 27,850,636 km (0.118 R)
• M25: 29,614,544 km (0.088 R)
• M26: 32,517,341 km (0.073 R)
• M27: 33,607,162 km (0.09 R)
• M28: 34,846,430 km (0.049 R)
• M29: 38,477,769 km (0.051 R)
• M30: 38,746,447 km (0.074 R)
• M31: 40,523,221 km (0.104 R)
• M32: 41,361,268 km (0.108 R)
• M33: 44,385,539 km (0.072 R)
• M34: 50,386,956 km (0.118 R)
• M35: 53,163,942 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.2

Radius: 4.1

Gravity: 33.98 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.42 AU - 10.24 AU

Year: 16032 Days

Day: 23.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,253,728 km

• M1: 52,658 km (0.114 R)
• M2: 199,564 km (0.086 R)
• M3: 365,168 km (0.104 R)
• M4: 494,870 km (0.115 R)
• M5: 1,226,403 km (0.109 R)
• M6: 4,032,710 km (0.088 R)
• M7: 5,029,331 km (0.112 R)
• M8: 10,268,697 km (0.103 R)
• M9: 11,913,226 km (0.114 R)
• M10: 13,929,656 km (0.033 R)
• M11: 14,767,853 km (0.079 R)
• M12: 15,862,012 km (0.062 R)
• M13: 17,009,128 km (0.091 R)
• M14: 18,128,719 km (0.063 R)
• M15: 19,639,059 km (0.077 R)
• M16: 19,898,761 km (0.096 R)
• M17: 23,195,299 km (0.051 R)
• M18: 28,132,328 km (0.119 R)
• M19: 28,572,894 km (0.04 R)
• M20: 29,921,818 km (0.11 R)
• M21: 32,989,322 km (0.097 R)
• M22: 34,098,142 km (0.064 R)
• M23: 36,781,479 km (0.115 R)
• M24: 43,144,325 km (0.108 R)
• M25: 50,525,634 km (0.079 R)
• M26: 52,328,138 km (0.05 R)
• M27: 52,827,197 km (0.096 R)
• M28: 59,604,878 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 449.9

Radius: 4.2

Gravity: 25.5 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.28 AU - 10.6 AU

Year: 17825 Days

Day: 21.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 61,253,728 km

• M1: 54,005 km (0.081 R)
• M2: 235,018 km (0.085 R)
• M3: 846,425 km (0.09 R)
• M4: 1,103,284 km (0.101 R)
• M5: 1,256,921 km (0.087 R)
• M6: 1,671,906 km (0.101 R)
• M7: 2,095,567 km (0.033 R)
• M8: 3,003,925 km (0.109 R)
• M9: 3,384,053 km (0.063 R)
• M10: 3,682,651 km (0.099 R)
• M11: 4,239,454 km (0.104 R)
• M12: 4,522,044 km (0.119 R)
• M13: 4,750,331 km (0.076 R)
• M14: 4,884,370 km (0.059 R)
• M15: 6,285,504 km (0.108 R)
• M16: 7,034,391 km (0.108 R)
• M17: 7,702,346 km (0.089 R)
• M18: 9,060,993 km (0.118 R)
• M19: 10,571,483 km (0.085 R)
• M20: 11,090,737 km (0.055 R)
• M21: 11,506,021 km (0.114 R)
• M22: 12,430,985 km (0.106 R)
• M23: 14,427,518 km (0.092 R)
• M24: 15,871,287 km (0.095 R)
• M25: 19,466,273 km (0.036 R)
• M26: 19,896,367 km (0.116 R)
• M27: 20,775,554 km (0.074 R)
• M28: 21,497,364 km (0.104 R)
• M29: 28,320,523 km (0.103 R)
• M30: 31,036,173 km (0.037 R)
• M31: 31,387,428 km (0.111 R)
• M32: 35,682,683 km (0.116 R)
• M33: 37,770,470 km (0.098 R)
• M34: 39,252,088 km (0.08 R)
• M35: 45,717,259 km (0.088 R)
• M36: 46,476,618 km (0.051 R)
• M37: 53,357,821 km (0.106 R)
• M38: 58,007,921 km (0.062 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: 178 - 15,716 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit