🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611

Radius: 8.2

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.6 AU - 1.96 AU

Year: 1533 Days

Day: 6.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,916,824 km

• M1: 109,206 km (0.037 R)
• M2: 383,719 km (0.099 R)
• M3: 698,772 km (0.046 R)
• M4: 1,841,849 km (0.115 R)
• M5: 2,144,485 km (0.084 R)
• M6: 2,405,384 km (0.073 R)
• M7: 2,701,139 km (0.113 R)
• M8: 4,697,972 km (0.084 R)
• M9: 5,997,229 km (0.091 R)
• M10: 6,446,920 km (0.059 R)
• M11: 6,792,491 km (0.091 R)
• M12: 7,547,661 km (0.111 R)
• M13: 9,505,449 km (0.105 R)
• M14: 9,856,405 km (0.106 R)
• M15: 11,562,120 km (0.111 R)
• M16: 12,713,575 km (0.095 R)
• M17: 13,139,929 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.2

Radius: 13.6

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.06 AU - 2.86 AU

Year: 2491 Days

Day: 8.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,916,824 km

• M1: 169,644 km (0.031 R)
• M2: 652,995 km (0.08 R)
• M3: 1,686,566 km (0.105 R)
• M4: 2,290,792 km (0.059 R)
• M5: 2,860,012 km (0.115 R)
• M6: 4,020,443 km (0.107 R)
• M7: 4,697,373 km (0.108 R)
• M8: 5,777,171 km (0.09 R)
• M9: 6,500,775 km (0.11 R)
• M10: 7,683,347 km (0.1 R)
• M11: 8,162,209 km (0.102 R)
• M12: 9,321,892 km (0.049 R)
• M13: 10,942,486 km (0.076 R)
• M14: 11,549,853 km (0.109 R)
• M15: 12,136,875 km (0.117 R)
• M16: 13,554,016 km (0.114 R)
• M17: 15,276,935 km (0.108 R)
• M18: 17,303,836 km (0.118 R)
• M19: 18,129,317 km (0.108 R)
• M20: 19,681,096 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.4

Radius: 12.1

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.32 AU - 2.64 AU

Year: 2522 Days

Day: 7.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 65.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,916,824 km

• M1: 150,645 km (0.1 R)
• M2: 551,867 km (0.096 R)
• M3: 1,231,041 km (0.046 R)
• M4: 1,875,359 km (0.078 R)
• M5: 2,637,261 km (0.099 R)
• M6: 3,494,008 km (0.116 R)
• M7: 5,160,229 km (0.11 R)
• M8: 6,094,318 km (0.089 R)
• M9: 8,699,715 km (0.072 R)
• M10: 10,195,544 km (0.08 R)
• M11: 13,733,533 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.2

Radius: 10.4

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.68 AU - 3.78 AU

Year: 3748 Days

Day: 12.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,916,824 km

• M1: 129,402 km (0.099 R)
• M2: 476,768 km (0.08 R)
• M3: 1,107,323 km (0.074 R)
• M4: 1,489,247 km (0.117 R)
• M5: 1,872,517 km (0.109 R)
• M6: 2,279,423 km (0.107 R)
• M7: 2,793,591 km (0.084 R)
• M8: 3,669,486 km (0.109 R)
• M9: 4,118,280 km (0.078 R)
• M10: 6,235,389 km (0.1 R)
• M11: 7,854,187 km (0.071 R)
• M12: 8,256,606 km (0.115 R)
• M13: 8,814,456 km (0.117 R)
• M14: 9,547,037 km (0.102 R)
• M15: 10,680,690 km (0.06 R)
• M16: 11,428,081 km (0.091 R)
• M17: 12,523,735 km (0.03 R)
• M18: 13,167,006 km (0.065 R)
• M19: 14,321,004 km (0.037 R)
• M20: 15,698,352 km (0.057 R)
• M21: 18,187,361 km (0.079 R)
• M22: 21,313,358 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.1

Radius: 8.8

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.85 AU - 4.43 AU

Year: 5439 Days

Day: 11.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,916,824 km

• M1: 109,506 km (0.105 R)
• M2: 743,801 km (0.097 R)
• M3: 1,099,544 km (0.092 R)
• M4: 2,585,650 km (0.038 R)
• M5: 3,039,829 km (0.105 R)
• M6: 3,482,638 km (0.116 R)
• M7: 3,876,530 km (0.109 R)
• M8: 4,702,011 km (0.11 R)
• M9: 5,019,906 km (0.071 R)
• M10: 5,437,284 km (0.08 R)
• M11: 5,877,850 km (0.114 R)
• M12: 6,469,809 km (0.053 R)
• M13: 6,931,019 km (0.049 R)
• M14: 7,343,759 km (0.091 R)
• M15: 8,720,060 km (0.072 R)
• M16: 9,615,702 km (0.072 R)
• M17: 10,260,768 km (0.103 R)
• M18: 11,165,237 km (0.077 R)
• M19: 13,393,497 km (0.081 R)
• M20: 14,362,443 km (0.118 R)
• M21: 14,977,140 km (0.12 R)
• M22: 16,139,815 km (0.068 R)
• M23: 17,050,417 km (0.111 R)
• M24: 19,040,219 km (0.105 R)
• M25: 19,375,019 km (0.055 R)
• M26: 21,323,381 km (0.025 R)
• M27: 23,783,219 km (0.106 R)
• M28: 24,564,419 km (0.104 R)
• M29: 26,509,191 km (0.106 R)
• M30: 28,729,373 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.8

Radius: 8.5

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.53 AU - 5.67 AU

Year: 7437 Days

Day: 9.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,916,824 km

• M1: 105,766 km (0.088 R)
• M2: 550,819 km (0.063 R)
• M3: 874,848 km (0.06 R)
• M4: 2,613,624 km (0.107 R)
• M5: 7,284,220 km (0.106 R)
• M6: 11,028,205 km (0.044 R)

Asteroid Belt

Center: 5.76 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.7

Radius: 4.3

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.06 AU - 7.76 AU

Year: 10479 Days

Day: 16.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,916,824 km

• M1: 53,406 km (0.119 R)
• M2: 190,288 km (0.112 R)
• M3: 562,338 km (0.036 R)
• M4: 782,846 km (0.116 R)
• M5: 1,329,476 km (0.111 R)
• M6: 2,144,037 km (0.076 R)
• M7: 3,770,166 km (0.093 R)
• M8: 4,347,165 km (0.062 R)
• M9: 5,205,408 km (0.087 R)
• M10: 5,950,255 km (0.08 R)
• M11: 8,890,601 km (0.089 R)
• M12: 9,137,588 km (0.026 R)
• M13: 11,043,614 km (0.055 R)
• M14: 13,792,624 km (0.064 R)
• M15: 17,731,088 km (0.066 R)
• M16: 18,254,231 km (0.062 R)
• M17: 18,854,867 km (0.077 R)
• M18: 20,307,612 km (0.07 R)
• M19: 22,358,449 km (0.112 R)
• M20: 22,815,171 km (0.108 R)
• M21: 23,747,316 km (0.097 R)
• M22: 28,257,392 km (0.038 R)
• M23: 29,787,180 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.3

Radius: 4

Gravity: 57.39 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 7.01 AU - 10.93 AU

Year: 17346 Days

Day: 22.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 57,916,824 km

• M1: 49,816 km (0.063 R)
• M2: 437,723 km (0.045 R)
• M3: 615,146 km (0.088 R)
• M4: 1,184,965 km (0.077 R)
• M5: 1,741,618 km (0.072 R)
• M6: 2,365,591 km (0.092 R)
• M7: 3,347,103 km (0.113 R)
• M8: 3,490,118 km (0.097 R)
• M9: 3,880,868 km (0.08 R)
• M10: 6,112,270 km (0.098 R)
• M11: 6,589,637 km (0.076 R)
• M12: 7,865,856 km (0.062 R)
• M13: 8,482,648 km (0.097 R)
• M14: 8,911,246 km (0.043 R)
• M15: 9,298,106 km (0.082 R)
• M16: 10,404,532 km (0.092 R)
• M17: 11,726,229 km (0.077 R)
• M18: 13,085,326 km (0.077 R)
• M19: 13,369,263 km (0.029 R)
• M20: 14,470,452 km (0.097 R)
• M21: 21,477,467 km (0.096 R)
• M22: 24,665,996 km (0.08 R)
• M23: 27,572,384 km (0.1 R)
• M24: 28,038,979 km (0.095 R)
• M25: 28,748,522 km (0.105 R)
• M26: 32,996,802 km (0.027 R)
• M27: 38,653,098 km (0.105 R)
• M28: 44,442,386 km (0.115 R)
• M29: 45,730,573 km (0.116 R)
• M30: 48,044,403 km (0.116 R)
• M31: 53,623,955 km (0.113 R)
• M32: 55,083,432 km (0.105 R)
• M33: 64,603,840 km (0.1 R)
• M34: 66,463,940 km (0.052 R)
• M35: 67,935,086 km (0.081 R)
• M36: 71,597,990 km (0.087 R)
• M37: 76,073,210 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.6

Radius: 5.4

Gravity: 13.64 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.96 AU - 11.04 AU

Year: 17433 Days

Day: 21.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,916,824 km

• M1: 86,168 km (0.092 R)
• M2: 387,907 km (0.117 R)
• M3: 1,003,951 km (0.111 R)
• M4: 3,394,226 km (0.104 R)
• M5: 3,825,367 km (0.114 R)
• M6: 4,894,842 km (0.083 R)
• M7: 5,480,518 km (0.073 R)
• M8: 8,438,217 km (0.11 R)
• M9: 8,679,668 km (0.082 R)
• M10: 10,668,123 km (0.064 R)
• M11: 11,708,277 km (0.097 R)
• M12: 13,005,141 km (0.106 R)
• M13: 15,019,776 km (0.079 R)
• M14: 19,237,089 km (0.092 R)
• M15: 19,571,441 km (0.102 R)
• M16: 20,859,777 km (0.081 R)
• M17: 26,374,703 km (0.089 R)
• M18: 35,594,121 km (0.102 R)
• M19: 37,899,274 km (0.089 R)
• M20: 42,946,407 km (0.073 R)
• M21: 47,505,402 km (0.049 R)
• M22: 49,353,385 km (0.11 R)
• M23: 53,356,325 km (0.114 R)
• M24: 55,521,006 km (0.053 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 12,042 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit