🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.1

Radius: 10.2

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.53 AU - 0.83 AU

Year: 368 Days

Day: 5.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,428,036 km

• M1: 128,205 km (0.093 R)
• M2: 319,691 km (0.115 R)
• M3: 528,828 km (0.096 R)
• M4: 799,152 km (0.1 R)
• M5: 1,147,565 km (0.112 R)
• M6: 1,468,154 km (0.115 R)
• M7: 1,903,483 km (0.108 R)
• M8: 2,137,604 km (0.103 R)
• M9: 2,621,104 km (0.088 R)
• M10: 2,852,682 km (0.066 R)
• M11: 3,172,223 km (0.083 R)
• M12: 3,370,739 km (0.109 R)
• M13: 3,821,178 km (0.057 R)
• M14: 4,346,716 km (0.112 R)
• M15: 4,589,363 km (0.076 R)
• M16: 4,858,340 km (0.119 R)
• M17: 5,115,050 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.9

Radius: 12.3

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.73 AU - 1.21 AU

Year: 627 Days

Day: 7.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,428,036 km

• M1: 157,826 km (0.074 R)
• M2: 406,308 km (0.07 R)
• M3: 638,933 km (0.079 R)
• M4: 871,707 km (0.11 R)
• M5: 1,271,731 km (0.086 R)
• M6: 1,504,805 km (0.086 R)
• M7: 1,773,632 km (0.118 R)
• M8: 2,187,719 km (0.086 R)
• M9: 2,910,576 km (0.077 R)
• M10: 3,251,211 km (0.086 R)
• M11: 4,184,252 km (0.103 R)
• M12: 5,047,582 km (0.087 R)
• M13: 5,485,604 km (0.11 R)
• M14: 5,737,078 km (0.095 R)
• M15: 6,297,472 km (0.088 R)
• M16: 6,801,168 km (0.068 R)
• M17: 7,367,845 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.8

Radius: 9.6

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.94 AU - 2.48 AU

Year: 2155 Days

Day: 10.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,428,036 km

• M1: 167,998 km (0.09 R)
• M2: 467,942 km (0.047 R)
• M3: 804,837 km (0.091 R)
• M4: 1,269,039 km (0.082 R)
• M5: 2,017,178 km (0.056 R)
• M6: 2,268,053 km (0.065 R)
• M7: 2,849,989 km (0.095 R)
• M8: 3,090,692 km (0.055 R)
• M9: 3,280,681 km (0.113 R)
• M10: 3,526,620 km (0.087 R)
• M11: 4,718,167 km (0.101 R)
• M12: 5,474,684 km (0.107 R)
• M13: 6,005,457 km (0.082 R)
• M14: 7,506,522 km (0.115 R)
• M15: 9,992,091 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.9

Radius: 12.3

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.43 AU - 2.99 AU

Year: 2927 Days

Day: 10.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,428,036 km

• M1: 175,927 km (0.081 R)
• M2: 643,720 km (0.103 R)
• M3: 1,177,036 km (0.105 R)
• M4: 1,478,326 km (0.058 R)
• M5: 2,340,459 km (0.109 R)
• M6: 3,299,979 km (0.051 R)
• M7: 3,892,387 km (0.08 R)
• M8: 4,691,688 km (0.111 R)
• M9: 5,156,788 km (0.07 R)
• M10: 6,460,234 km (0.04 R)
• M11: 7,092,734 km (0.113 R)
• M12: 7,553,496 km (0.114 R)
• M13: 8,566,722 km (0.042 R)
• M14: 9,695,588 km (0.111 R)
• M15: 11,883,905 km (0.105 R)
• M16: 13,121,828 km (0.077 R)
• M17: 14,670,315 km (0.11 R)
• M18: 15,110,731 km (0.104 R)
• M19: 15,751,309 km (0.059 R)
• M20: 16,011,161 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133

Radius: 8.2

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.48 AU - 3.28 AU

Year: 3206 Days

Day: 7.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,428,036 km

• M1: 102,026 km (0.096 R)
• M2: 428,149 km (0.116 R)
• M3: 628,311 km (0.12 R)
• M4: 947,403 km (0.1 R)
• M5: 1,278,463 km (0.11 R)
• M6: 1,877,603 km (0.047 R)
• M7: 2,565,603 km (0.118 R)
• M8: 2,963,833 km (0.112 R)
• M9: 3,123,903 km (0.095 R)
• M10: 3,404,848 km (0.105 R)
• M11: 3,739,348 km (0.084 R)
• M12: 5,602,739 km (0.115 R)
• M13: 6,102,247 km (0.114 R)
• M14: 7,533,599 km (0.111 R)
• M15: 7,850,148 km (0.11 R)
• M16: 9,510,385 km (0.089 R)
• M17: 10,831,783 km (0.075 R)
• M18: 11,695,562 km (0.095 R)
• M19: 12,239,799 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 137.6

Radius: 7.9

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.54 AU - 9.2 AU

Year: 13125 Days

Day: 19 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,428,036 km

• M1: 239,955 km (0.083 R)
• M2: 557,551 km (0.097 R)
• M3: 4,593,103 km (0.077 R)
• M4: 5,201,817 km (0.076 R)
• M5: 7,075,381 km (0.095 R)
• M6: 7,260,134 km (0.073 R)
• M7: 8,419,817 km (0.105 R)
• M8: 9,032,271 km (0.087 R)
• M9: 12,789,272 km (0.064 R)
• M10: 14,449,958 km (0.091 R)
• M11: 16,399,218 km (0.046 R)
• M12: 18,821,806 km (0.076 R)
• M13: 19,174,408 km (0.108 R)
• M14: 22,331,073 km (0.06 R)
• M15: 28,932,378 km (0.112 R)
• M16: 29,369,503 km (0.065 R)
• M17: 30,508,541 km (0.1 R)

Asteroid Belt

Center: 7.7 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.9

Radius: 6.4

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 7.03 AU - 9.01 AU

Year: 14899 Days

Day: 19.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 36,428,036 km

• M1: 85,570 km (0.102 R)
• M2: 609,911 km (0.117 R)
• M3: 750,832 km (0.034 R)
• M4: 1,564,046 km (0.1 R)
• M5: 2,001,919 km (0.116 R)
• M6: 2,140,147 km (0.111 R)
• M7: 2,496,040 km (0.095 R)
• M8: 3,522,880 km (0.104 R)
• M9: 3,869,050 km (0.106 R)
• M10: 4,146,554 km (0.068 R)
• M11: 4,852,656 km (0.092 R)
• M12: 6,017,574 km (0.078 R)
• M13: 7,197,154 km (0.111 R)
• M14: 7,537,339 km (0.063 R)
• M15: 8,770,175 km (0.048 R)
• M16: 9,019,555 km (0.107 R)
• M17: 10,727,215 km (0.109 R)
• M18: 11,708,577 km (0.039 R)
• M19: 14,643,388 km (0.096 R)
• M20: 15,019,925 km (0.086 R)
• M21: 16,917,126 km (0.094 R)
• M22: 17,790,029 km (0.099 R)
• M23: 19,540,474 km (0.115 R)
• M24: 22,419,934 km (0.098 R)
• M25: 25,781,099 km (0.097 R)
• M26: 26,137,291 km (0.025 R)
• M27: 26,640,239 km (0.114 R)
• M28: 28,326,207 km (0.105 R)
• M29: 31,147,174 km (0.103 R)
• M30: 31,617,360 km (0.105 R)
• M31: 42,578,845 km (0.102 R)
• M32: 45,929,089 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.8

Radius: 5.8

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.08 AU - 8.46 AU

Year: 15602 Days

Day: 22.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,428,036 km

• M1: 96,042 km (0.109 R)
• M2: 323,730 km (0.119 R)
• M3: 614,997 km (0.115 R)
• M4: 993,180 km (0.085 R)
• M5: 1,355,955 km (0.077 R)
• M6: 2,207,317 km (0.054 R)
• M7: 2,887,688 km (0.072 R)
• M8: 3,708,980 km (0.075 R)
• M9: 4,323,378 km (0.101 R)
• M10: 6,329,336 km (0.068 R)
• M11: 8,905,112 km (0.029 R)
• M12: 9,127,265 km (0.111 R)
• M13: 9,694,840 km (0.083 R)
• M14: 14,384,284 km (0.098 R)
• M15: 20,726,635 km (0.071 R)
• M16: 22,099,345 km (0.102 R)
• M17: 22,449,404 km (0.106 R)
• M18: 23,576,325 km (0.083 R)
• M19: 25,163,110 km (0.089 R)
• M20: 26,482,713 km (0.113 R)
• M21: 27,770,900 km (0.104 R)
• M22: 32,309,550 km (0.069 R)
• M23: 37,494,911 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.2

Radius: 4.4

Gravity: 38.6 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 8.94 AU - 10.02 AU

Year: 19148 Days

Day: 18.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 36,428,036 km

• M1: 114,293 km (0.092 R)
• M2: 222,602 km (0.028 R)
• M3: 310,416 km (0.116 R)
• M4: 541,245 km (0.099 R)
• M5: 770,130 km (0.04 R)
• M6: 1,186,311 km (0.087 R)
• M7: 1,359,396 km (0.12 R)
• M8: 1,587,832 km (0.087 R)
• M9: 1,675,347 km (0.112 R)
• M10: 1,788,293 km (0.104 R)
• M11: 2,252,046 km (0.055 R)
• M12: 2,684,983 km (0.106 R)
• M13: 3,157,113 km (0.036 R)
• M14: 4,007,129 km (0.103 R)
• M15: 4,289,270 km (0.052 R)
• M16: 4,618,385 km (0.103 R)
• M17: 4,921,321 km (0.105 R)
• M18: 6,448,865 km (0.059 R)
• M19: 7,173,816 km (0.102 R)
• M20: 7,408,386 km (0.11 R)
• M21: 8,638,230 km (0.092 R)
• M22: 9,908,166 km (0.073 R)
• M23: 10,407,075 km (0.074 R)
• M24: 12,960,412 km (0.081 R)
• M25: 14,707,266 km (0.111 R)
• M26: 15,864,106 km (0.106 R)
• M27: 17,938,879 km (0.083 R)
• M28: 19,675,262 km (0.076 R)
• M29: 25,543,088 km (0.074 R)
• M30: 27,243,268 km (0.11 R)
• M31: 29,092,298 km (0.111 R)
• M32: 30,135,294 km (0.081 R)
• M33: 33,677,024 km (0.106 R)
• M34: 36,252,501 km (0.029 R)
• M35: 36,568,003 km (0.056 R)
• M36: 54,599,184 km (0.054 R)
• M37: 58,798,545 km (0.061 R)
• M38: 59,066,176 km (0.066 R)
• M39: 59,200,216 km (0.07 R)
• M40: 60,820,510 km (0.112 R)
• M41: 62,050,205 km (0.077 R)
• M42: 63,987,348 km (0.032 R)
• M43: 65,954,410 km (0.1 R)
• M44: 72,924,923 km (0.105 R)
• M45: 74,270,855 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.2

Radius: 6.6

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 8.16 AU - 12.52 AU

Year: 21812 Days

Day: 24.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,428,036 km

• M1: 85,720 km (0.111 R)
• M2: 1,035,965 km (0.12 R)
• M3: 1,873,414 km (0.117 R)
• M4: 2,335,522 km (0.088 R)
• M5: 2,482,726 km (0.111 R)
• M6: 5,638,643 km (0.103 R)
• M7: 7,474,957 km (0.063 R)
• M8: 8,076,789 km (0.053 R)
• M9: 9,872,263 km (0.105 R)
• M10: 11,036,733 km (0.116 R)
• M11: 12,691,285 km (0.051 R)
• M12: 13,079,491 km (0.077 R)
• M13: 15,296,831 km (0.067 R)
• M14: 16,010,413 km (0.066 R)
• M15: 17,436,529 km (0.074 R)
• M16: 17,942,469 km (0.071 R)
• M17: 20,038,934 km (0.101 R)
• M18: 20,254,953 km (0.105 R)
• M19: 21,743,751 km (0.061 R)
• M20: 25,362,673 km (0.103 R)
• M21: 25,850,063 km (0.053 R)
• M22: 30,511,832 km (0.076 R)
• M23: 30,778,416 km (0.067 R)
• M24: 32,197,351 km (0.096 R)
• M25: 33,998,510 km (0.112 R)
• M26: 35,704,823 km (0.059 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 15,931 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit