🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.1

Radius: 12.2

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.42 AU - 1.76 AU

Year: 1295 Days

Day: 13.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,995,919 km

• M1: 152,141 km (0.088 R)
• M2: 556,354 km (0.118 R)
• M3: 1,020,557 km (0.081 R)
• M4: 1,623,286 km (0.114 R)
• M5: 2,143,139 km (0.12 R)
• M6: 2,647,434 km (0.116 R)
• M7: 3,160,105 km (0.109 R)
• M8: 4,012,215 km (0.104 R)
• M9: 4,840,688 km (0.116 R)
• M10: 5,737,677 km (0.108 R)
• M11: 6,601,754 km (0.082 R)
• M12: 7,053,390 km (0.114 R)
• M13: 7,525,371 km (0.082 R)
• M14: 9,098,692 km (0.103 R)
• M15: 9,479,568 km (0.094 R)
• M16: 9,963,069 km (0.077 R)
• M17: 10,622,496 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.9

Radius: 14.7

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.27 AU - 2.07 AU

Year: 1393 Days

Day: 8.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,995,919 km

• M1: 182,809 km (0.113 R)
• M2: 682,615 km (0.046 R)
• M3: 1,235,379 km (0.118 R)
• M4: 1,701,526 km (0.106 R)
• M5: 2,183,680 km (0.032 R)
• M6: 2,868,090 km (0.116 R)
• M7: 3,709,878 km (0.112 R)
• M8: 4,217,314 km (0.096 R)
• M9: 5,076,305 km (0.12 R)
• M10: 6,605,943 km (0.049 R)
• M11: 7,822,323 km (0.114 R)
• M12: 9,027,932 km (0.094 R)
• M13: 10,593,175 km (0.119 R)
• M14: 11,918,462 km (0.12 R)
• M15: 13,111,655 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.1

Radius: 9.3

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.3 AU - 3.12 AU

Year: 2881 Days

Day: 9.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,995,919 km

• M1: 116,088 km (0.11 R)
• M2: 439,219 km (0.054 R)
• M3: 814,112 km (0.065 R)
• M4: 1,135,747 km (0.09 R)
• M5: 2,009,847 km (0.101 R)
• M6: 2,538,676 km (0.108 R)
• M7: 3,314,042 km (0.071 R)
• M8: 3,933,377 km (0.054 R)
• M9: 7,634,428 km (0.109 R)
• M10: 9,024,342 km (0.071 R)
• M11: 10,653,912 km (0.082 R)
• M12: 13,090,113 km (0.077 R)
• M13: 14,678,992 km (0.114 R)
• M14: 16,132,634 km (0.1 R)
• M15: 17,900,881 km (0.085 R)
• M16: 18,860,552 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.1

Radius: 14.1

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.51 AU - 3.09 AU

Year: 3025 Days

Day: 15 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,995,919 km

• M1: 175,628 km (0.108 R)
• M2: 639,680 km (0.106 R)
• M3: 1,399,039 km (0.055 R)
• M4: 1,910,514 km (0.119 R)
• M5: 2,385,936 km (0.089 R)
• M6: 3,426,090 km (0.086 R)
• M7: 4,098,682 km (0.052 R)
• M8: 4,560,192 km (0.112 R)
• M9: 5,101,437 km (0.109 R)
• M10: 5,685,467 km (0.068 R)
• M11: 6,287,898 km (0.114 R)
• M12: 7,300,077 km (0.067 R)
• M13: 8,043,728 km (0.108 R)
• M14: 8,610,105 km (0.119 R)
• M15: 9,068,922 km (0.072 R)
• M16: 12,628,304 km (0.037 R)
• M17: 16,624,363 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.8

Radius: 13

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.72 AU - 3.12 AU

Year: 3222 Days

Day: 14.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,995,919 km

• M1: 161,715 km (0.069 R)
• M2: 637,137 km (0.066 R)
• M3: 1,375,403 km (0.026 R)
• M4: 3,038,632 km (0.104 R)
• M5: 4,269,074 km (0.104 R)
• M6: 4,899,330 km (0.103 R)
• M7: 7,492,310 km (0.112 R)
• M8: 9,405,368 km (0.104 R)
• M9: 11,233,005 km (0.064 R)
• M10: 12,716,268 km (0.101 R)
• M11: 14,024,052 km (0.062 R)
• M12: 14,479,428 km (0.108 R)
• M13: 20,225,782 km (0.062 R)
• M14: 21,003,990 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.7

Radius: 9.9

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.56 AU - 4.7 AU

Year: 5419 Days

Day: 6.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 116 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,995,919 km

• M1: 124,017 km (0.051 R)
• M2: 1,089,372 km (0.106 R)
• M3: 1,792,781 km (0.107 R)
• M4: 2,295,280 km (0.098 R)
• M5: 2,625,891 km (0.108 R)
• M6: 3,561,177 km (0.116 R)
• M7: 5,511,485 km (0.036 R)
• M8: 7,361,262 km (0.111 R)
• M9: 9,725,956 km (0.101 R)
• M10: 11,129,034 km (0.089 R)
• M11: 11,828,255 km (0.104 R)
• M12: 12,450,582 km (0.074 R)
• M13: 15,280,974 km (0.093 R)
• M14: 16,524,431 km (0.098 R)
• M15: 17,368,163 km (0.11 R)
• M16: 19,424,536 km (0.104 R)
• M17: 22,805,896 km (0.109 R)
• M18: 23,607,292 km (0.067 R)
• M19: 26,473,138 km (0.055 R)
• M20: 26,913,255 km (0.039 R)
• M21: 28,080,418 km (0.079 R)
• M22: 29,001,043 km (0.068 R)
• M23: 32,181,943 km (0.09 R)
• M24: 34,427,407 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445

Radius: 14.7

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.26 AU - 5.12 AU

Year: 6558 Days

Day: 13.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 66.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,995,919 km

• M1: 182,958 km (0.088 R)
• M2: 652,247 km (0.107 R)
• M3: 1,529,937 km (0.089 R)
• M4: 2,102,748 km (0.103 R)
• M5: 4,123,815 km (0.097 R)
• M6: 5,537,365 km (0.091 R)
• M7: 8,387,653 km (0.08 R)
• M8: 9,678,833 km (0.116 R)
• M9: 11,006,215 km (0.101 R)
• M10: 11,617,920 km (0.083 R)
• M11: 12,603,172 km (0.118 R)
• M12: 13,858,148 km (0.054 R)
• M13: 15,659,307 km (0.103 R)
• M14: 16,985,193 km (0.103 R)
• M15: 17,995,577 km (0.102 R)
• M16: 19,045,754 km (0.106 R)
• M17: 20,697,165 km (0.108 R)
• M18: 21,630,506 km (0.095 R)
• M19: 22,817,714 km (0.118 R)
• M20: 23,581,412 km (0.101 R)
• M21: 25,729,039 km (0.096 R)
• M22: 27,316,422 km (0.119 R)
• M23: 28,791,457 km (0.072 R)
• M24: 30,319,000 km (0.102 R)
• M25: 31,056,219 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.4

Radius: 12.4

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.32 AU - 7.06 AU

Year: 8764 Days

Day: 10.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,995,919 km

• M1: 232,026 km (0.089 R)
• M2: 757,863 km (0.045 R)
• M3: 1,188,555 km (0.103 R)
• M4: 1,774,979 km (0.103 R)
• M5: 3,877,726 km (0.098 R)
• M6: 5,650,910 km (0.066 R)
• M7: 16,900,221 km (0.077 R)
• M8: 23,249,005 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.7

Radius: 7.4

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.17 AU - 8.61 AU

Year: 12971 Days

Day: 19.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,995,919 km

• M1: 94,247 km (0.06 R)
• M2: 442,511 km (0.117 R)
• M3: 761,902 km (0.049 R)
• M4: 1,281,007 km (0.083 R)
• M5: 1,612,067 km (0.091 R)
• M6: 2,447,720 km (0.1 R)
• M7: 3,373,731 km (0.043 R)
• M8: 3,797,991 km (0.056 R)
• M9: 4,999,561 km (0.098 R)
• M10: 5,619,046 km (0.116 R)
• M11: 7,617,972 km (0.116 R)
• M12: 8,437,619 km (0.118 R)
• M13: 8,845,722 km (0.118 R)
• M14: 9,998,673 km (0.057 R)
• M15: 10,507,455 km (0.063 R)
• M16: 16,166,294 km (0.082 R)
• M17: 17,153,191 km (0.089 R)
• M18: 18,104,783 km (0.064 R)
• M19: 20,193,169 km (0.112 R)
• M20: 21,420,171 km (0.104 R)
• M21: 25,586,173 km (0.097 R)
• M22: 28,814,195 km (0.089 R)
• M23: 31,325,645 km (0.063 R)
• M24: 36,183,536 km (0.101 R)
• M25: 40,874,925 km (0.088 R)
• M26: 41,781,189 km (0.077 R)
• M27: 43,633,660 km (0.111 R)
• M28: 43,902,786 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430

Radius: 3.4

Gravity: 37.2 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.34 AU - 10.22 AU

Year: 16798 Days

Day: 20.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 57,995,919 km

• M1: 49,966 km (0.106 R)
• M2: 204,799 km (0.079 R)
• M3: 322,084 km (0.036 R)
• M4: 439,818 km (0.108 R)
• M5: 804,089 km (0.058 R)
• M6: 915,539 km (0.037 R)
• M7: 1,049,130 km (0.099 R)
• M8: 1,654,403 km (0.043 R)
• M9: 1,785,600 km (0.06 R)
• M10: 2,635,017 km (0.061 R)
• M11: 2,883,649 km (0.119 R)
• M12: 4,244,540 km (0.112 R)
• M13: 5,323,291 km (0.064 R)
• M14: 6,136,355 km (0.056 R)
• M15: 6,944,333 km (0.114 R)
• M16: 7,329,996 km (0.092 R)
• M17: 7,729,872 km (0.071 R)
• M18: 8,332,901 km (0.118 R)
• M19: 8,817,598 km (0.059 R)
• M20: 10,057,166 km (0.114 R)
• M21: 12,311,606 km (0.106 R)
• M22: 13,003,496 km (0.076 R)
• M23: 13,457,076 km (0.091 R)
• M24: 13,854,259 km (0.067 R)
• M25: 14,881,248 km (0.037 R)
• M26: 15,665,739 km (0.054 R)
• M27: 18,104,484 km (0.103 R)
• M28: 20,349,350 km (0.102 R)
• M29: 20,522,733 km (0.12 R)
• M30: 25,482,501 km (0.069 R)
• M31: 25,784,988 km (0.111 R)
• M32: 27,969,566 km (0.066 R)
• M33: 30,727,253 km (0.099 R)
• M34: 32,230,412 km (0.115 R)
• M35: 36,904,000 km (0.116 R)
• M36: 37,942,358 km (0.114 R)
• M37: 38,204,903 km (0.119 R)
• M38: 39,267,347 km (0.039 R)
• M39: 39,941,285 km (0.107 R)
• M40: 41,173,822 km (0.099 R)
• M41: 48,794,786 km (0.119 R)
• M42: 48,949,919 km (0.106 R)
• M43: 56,787,352 km (0.062 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 17,264 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit