🌌 Stone's Star System Generator

Asteroid Belt

Center: 4.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.1

Radius: 13.3

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 7.13 AU - 10.45 AU

Year: 9245 Days

Day: 9.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 77,416,898 km

• M1: 165,455 km (0.085 R)
• M2: 718,519 km (0.041 R)
• M3: 1,369,120 km (0.11 R)
• M4: 2,032,437 km (0.107 R)
• M5: 2,784,465 km (0.065 R)
• M6: 3,302,822 km (0.056 R)
• M7: 3,860,672 km (0.11 R)
• M8: 5,107,720 km (0.116 R)
• M9: 6,431,661 km (0.084 R)
• M10: 9,203,710 km (0.093 R)
• M11: 11,256,641 km (0.114 R)
• M12: 12,582,079 km (0.074 R)
• M13: 13,368,365 km (0.042 R)
• M14: 13,832,268 km (0.111 R)
• M15: 14,366,931 km (0.076 R)
• M16: 16,512,763 km (0.049 R)
• M17: 17,250,729 km (0.117 R)
• M18: 18,576,914 km (0.09 R)
• M19: 19,671,073 km (0.096 R)
• M20: 20,272,007 km (0.087 R)
• M21: 20,807,867 km (0.05 R)
• M22: 24,395,074 km (0.049 R)
• M23: 28,757,797 km (0.085 R)
• M24: 29,727,939 km (0.081 R)
• M25: 31,021,811 km (0.053 R)
• M26: 38,175,432 km (0.105 R)
• M27: 39,822,654 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.1

Radius: 8.8

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 9.01 AU - 10.35 AU

Year: 10684 Days

Day: 14.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,416,898 km

• M1: 109,506 km (0.039 R)
• M2: 412,441 km (0.108 R)
• M3: 1,819,260 km (0.094 R)
• M4: 2,131,770 km (0.036 R)
• M5: 4,120,973 km (0.086 R)
• M6: 5,285,293 km (0.064 R)
• M7: 8,818,196 km (0.093 R)
• M8: 9,900,237 km (0.091 R)
• M9: 12,908,351 km (0.117 R)
• M10: 19,284,961 km (0.086 R)
• M11: 19,782,074 km (0.086 R)
• M12: 20,069,901 km (0.116 R)
• M13: 23,184,379 km (0.059 R)
• M14: 24,071,793 km (0.083 R)
• M15: 24,565,167 km (0.092 R)
• M16: 28,210,568 km (0.109 R)
• M17: 29,689,343 km (0.078 R)
• M18: 30,066,928 km (0.112 R)
• M19: 31,707,568 km (0.082 R)
• M20: 34,227,694 km (0.112 R)
• M21: 35,061,403 km (0.097 R)

Planet 3 - Ice Giant

Semi-Major Axis: 15.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.4

Radius: 7.6

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 12.66 AU - 17.38 AU

Year: 20651 Days

Day: 22.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,416,898 km

• M1: 94,845 km (0.087 R)
• M2: 787,782 km (0.103 R)
• M3: 1,494,184 km (0.093 R)
• M4: 4,310,064 km (0.103 R)
• M5: 10,056,268 km (0.095 R)
• M6: 11,541,027 km (0.047 R)
• M7: 25,883,424 km (0.072 R)
• M8: 27,555,180 km (0.118 R)
• M9: 31,799,571 km (0.057 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.3

Radius: 7.3

Gravity: 16.73 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 13.09 AU - 19.51 AU

Year: 23346 Days

Day: 22.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,416,898 km

• M1: 90,806 km (0.057 R)
• M2: 365,468 km (0.12 R)
• M3: 654,640 km (0.054 R)
• M4: 1,097,450 km (0.119 R)
• M5: 2,404,935 km (0.043 R)
• M6: 2,752,750 km (0.098 R)
• M7: 3,133,776 km (0.112 R)
• M8: 3,738,750 km (0.071 R)
• M9: 4,103,320 km (0.105 R)
• M10: 5,219,171 km (0.114 R)
• M11: 5,632,659 km (0.055 R)
• M12: 6,431,661 km (0.109 R)
• M13: 7,303,966 km (0.087 R)
• M14: 8,700,014 km (0.092 R)
• M15: 9,888,569 km (0.095 R)
• M16: 11,590,993 km (0.056 R)
• M17: 19,082,256 km (0.089 R)
• M18: 19,372,924 km (0.062 R)
• M19: 20,565,219 km (0.103 R)
• M20: 30,182,866 km (0.08 R)
• M21: 37,070,502 km (0.119 R)
• M22: 40,318,122 km (0.096 R)
• M23: 45,623,611 km (0.085 R)
• M24: 46,492,625 km (0.055 R)
• M25: 49,165,490 km (0.105 R)
• M26: 57,191,565 km (0.111 R)
• M27: 61,092,928 km (0.099 R)
• M28: 68,283,948 km (0.097 R)
• M29: 72,199,523 km (0.075 R)
• M30: 74,092,983 km (0.072 R)
• M31: 81,997,734 km (0.038 R)
• M32: 90,992,755 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.3

Radius: 3.7

Gravity: 54.59 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 16.23 AU - 21.17 AU

Year: 28688 Days

Day: 16.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,416,898 km

• M1: 47,273 km (0.118 R)
• M2: 331,210 km (0.107 R)
• M3: 1,962,724 km (0.037 R)
• M4: 3,041,325 km (0.098 R)
• M5: 3,527,817 km (0.088 R)
• M6: 3,789,763 km (0.115 R)
• M7: 4,352,101 km (0.092 R)
• M8: 5,772,982 km (0.114 R)
• M9: 7,010,007 km (0.069 R)
• M10: 7,744,383 km (0.058 R)
• M11: 8,299,241 km (0.068 R)
• M12: 10,785,558 km (0.089 R)
• M13: 12,344,667 km (0.053 R)
• M14: 15,124,195 km (0.069 R)
• M15: 15,552,494 km (0.116 R)
• M16: 18,293,875 km (0.102 R)
• M17: 20,290,109 km (0.109 R)
• M18: 21,555,108 km (0.12 R)
• M19: 24,240,839 km (0.086 R)
• M20: 26,272,528 km (0.08 R)
• M21: 29,595,096 km (0.106 R)
• M22: 29,995,719 km (0.11 R)
• M23: 30,944,170 km (0.027 R)
• M24: 36,750,961 km (0.089 R)
• M25: 46,219,309 km (0.085 R)
• M26: 46,938,875 km (0.091 R)
• M27: 48,770,402 km (0.069 R)
• M28: 51,992,441 km (0.087 R)
• M29: 52,966,323 km (0.106 R)
• M30: 56,983,923 km (0.057 R)
• M31: 60,127,124 km (0.075 R)
• M32: 75,581,631 km (0.107 R)
• M33: 76,830,774 km (0.109 R)
• M34: 79,113,936 km (0.093 R)
• M35: 79,370,347 km (0.047 R)
• M36: 87,871,994 km (0.101 R)
• M37: 91,210,420 km (0.04 R)
• M38: 94,343,897 km (0.117 R)
• M39: 96,374,838 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 20.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.3

Radius: 7.7

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 18.41 AU - 22.33 AU

Year: 32615 Days

Day: 16.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,416,898 km

• M1: 95,743 km (0.045 R)
• M2: 351,555 km (0.103 R)
• M3: 864,227 km (0.087 R)
• M4: 1,260,960 km (0.103 R)
• M5: 3,917,819 km (0.108 R)
• M6: 4,271,917 km (0.075 R)
• M7: 4,682,413 km (0.088 R)
• M8: 5,081,540 km (0.086 R)
• M9: 6,243,318 km (0.092 R)
• M10: 6,592,928 km (0.093 R)
• M11: 8,487,585 km (0.081 R)
• M12: 8,754,168 km (0.102 R)
• M13: 9,760,962 km (0.045 R)
• M14: 11,030,599 km (0.058 R)
• M15: 11,869,693 km (0.077 R)
• M16: 14,949,166 km (0.115 R)
• M17: 17,388,509 km (0.098 R)
• M18: 18,523,508 km (0.11 R)
• M19: 20,081,270 km (0.111 R)
• M20: 26,503,357 km (0.042 R)
• M21: 28,240,188 km (0.06 R)
• M22: 31,682,884 km (0.108 R)
• M23: 32,977,205 km (0.05 R)
• M24: 34,172,043 km (0.094 R)
• M25: 38,508,437 km (0.097 R)
• M26: 41,035,444 km (0.109 R)
• M27: 43,512,785 km (0.117 R)
• M28: 44,627,289 km (0.119 R)
• M29: 46,252,370 km (0.082 R)
• M30: 48,934,062 km (0.116 R)
• M31: 52,967,819 km (0.085 R)
• M32: 57,597,723 km (0.12 R)
• M33: 58,362,767 km (0.117 R)
• M34: 58,747,682 km (0.079 R)
• M35: 69,363,297 km (0.04 R)

Kuiper Belt

Range: 30.9 - 53.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 16,321 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit