🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.5

Radius: 12.2

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.59 AU - 0.97 AU

Year: 452 Days

Day: 8.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,634,167 km

• M1: 152,291 km (0.074 R)
• M2: 675,734 km (0.098 R)
• M3: 1,186,311 km (0.05 R)
• M4: 1,571,675 km (0.069 R)
• M5: 1,960,480 km (0.108 R)
• M6: 2,687,526 km (0.106 R)
• M7: 3,392,581 km (0.114 R)
• M8: 3,946,392 km (0.095 R)
• M9: 4,843,979 km (0.049 R)
• M10: 5,252,381 km (0.107 R)
• M11: 5,855,709 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.5

Radius: 8.1

Gravity: 11.7 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.76 AU - 1.02 AU

Year: 551 Days

Day: 13.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,634,167 km

• M1: 100,679 km (0.025 R)
• M2: 392,545 km (0.11 R)
• M3: 661,821 km (0.118 R)
• M4: 1,015,919 km (0.061 R)
• M5: 1,348,774 km (0.108 R)
• M6: 2,043,357 km (0.045 R)
• M7: 2,354,970 km (0.113 R)
• M8: 2,808,850 km (0.067 R)
• M9: 3,282,177 km (0.11 R)
• M10: 3,961,950 km (0.102 R)
• M11: 4,511,273 km (0.115 R)
• M12: 5,706,860 km (0.044 R)
• M13: 6,427,323 km (0.052 R)
• M14: 6,892,124 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.3

Radius: 10.1

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.1 AU - 1.52 AU

Year: 984 Days

Day: 14.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,634,167 km

• M1: 126,261 km (0.1 R)
• M2: 466,745 km (0.066 R)
• M3: 1,015,470 km (0.103 R)
• M4: 2,059,813 km (0.114 R)
• M5: 3,018,436 km (0.096 R)
• M6: 3,406,344 km (0.093 R)
• M7: 3,872,939 km (0.066 R)
• M8: 4,201,905 km (0.112 R)
• M9: 4,532,815 km (0.106 R)
• M10: 5,456,283 km (0.058 R)
• M11: 5,790,634 km (0.089 R)
• M12: 6,307,196 km (0.064 R)
• M13: 6,876,715 km (0.09 R)
• M14: 7,648,790 km (0.087 R)
• M15: 8,296,848 km (0.11 R)
• M16: 9,116,793 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.5

Radius: 9.9

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.5 AU - 2.1 AU

Year: 1584 Days

Day: 14.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 117.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,634,167 km

• M1: 126,261 km (0.112 R)
• M2: 511,625 km (0.05 R)
• M3: 931,247 km (0.09 R)
• M4: 1,430,006 km (0.083 R)
• M5: 1,810,134 km (0.107 R)
• M6: 2,396,857 km (0.072 R)
• M7: 2,968,770 km (0.096 R)
• M8: 3,327,954 km (0.076 R)
• M9: 3,751,466 km (0.093 R)
• M10: 4,078,337 km (0.119 R)
• M11: 4,444,104 km (0.117 R)
• M12: 4,958,870 km (0.094 R)
• M13: 5,353,659 km (0.057 R)
• M14: 5,722,268 km (0.104 R)
• M15: 7,453,564 km (0.12 R)
• M16: 9,213,434 km (0.076 R)
• M17: 11,840,522 km (0.099 R)
• M18: 12,912,391 km (0.064 R)
• M19: 14,440,533 km (0.118 R)
• M20: 15,339,766 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916

Radius: 10

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.43 AU - 3.69 AU

Year: 3511 Days

Day: 8.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,634,167 km

• M1: 125,363 km (0.082 R)
• M2: 477,068 km (0.097 R)
• M3: 802,742 km (0.071 R)
• M4: 1,198,578 km (0.109 R)
• M5: 2,476,593 km (0.026 R)
• M6: 3,513,456 km (0.061 R)
• M7: 4,107,808 km (0.104 R)
• M8: 5,974,939 km (0.098 R)
• M9: 6,358,957 km (0.062 R)
• M10: 6,728,015 km (0.057 R)
• M11: 8,098,481 km (0.084 R)
• M12: 8,606,515 km (0.108 R)
• M13: 10,217,535 km (0.103 R)
• M14: 10,724,971 km (0.118 R)
• M15: 11,472,511 km (0.111 R)
• M16: 11,974,412 km (0.035 R)
• M17: 13,071,264 km (0.055 R)
• M18: 14,920,592 km (0.047 R)
• M19: 15,299,524 km (0.104 R)
• M20: 16,020,286 km (0.102 R)
• M21: 17,173,088 km (0.107 R)
• M22: 18,566,293 km (0.114 R)
• M23: 19,450,416 km (0.106 R)
• M24: 21,507,536 km (0.115 R)
• M25: 23,926,085 km (0.1 R)
• M26: 26,049,477 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.4

Radius: 12.7

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.89 AU - 3.87 AU

Year: 4076 Days

Day: 6.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,634,167 km

• M1: 157,975 km (0.054 R)
• M2: 615,595 km (0.104 R)
• M3: 1,070,822 km (0.118 R)
• M4: 1,708,408 km (0.083 R)
• M5: 2,968,770 km (0.093 R)
• M6: 3,993,964 km (0.118 R)
• M7: 4,455,623 km (0.111 R)
• M8: 5,109,216 km (0.11 R)
• M9: 6,089,381 km (0.047 R)
• M10: 6,960,789 km (0.062 R)
• M11: 8,128,550 km (0.066 R)
• M12: 8,533,063 km (0.099 R)
• M13: 9,028,531 km (0.111 R)
• M14: 12,905,360 km (0.102 R)
• M15: 14,662,536 km (0.071 R)
• M16: 16,750,474 km (0.057 R)
• M17: 17,226,644 km (0.099 R)
• M18: 20,076,633 km (0.103 R)
• M19: 24,728,079 km (0.075 R)
• M20: 26,053,816 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.4

Radius: 4.8

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.67 AU - 7.11 AU

Year: 10596 Days

Day: 22.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,634,167 km

• M1: 79,885 km (0.047 R)
• M2: 246,836 km (0.103 R)
• M3: 772,224 km (0.088 R)
• M4: 946,207 km (0.099 R)
• M5: 1,198,429 km (0.106 R)
• M6: 1,403,976 km (0.069 R)
• M7: 2,287,351 km (0.055 R)
• M8: 3,382,408 km (0.083 R)
• M9: 3,893,285 km (0.097 R)
• M10: 4,136,082 km (0.064 R)
• M11: 4,497,510 km (0.118 R)
• M12: 4,972,633 km (0.057 R)
• M13: 5,210,195 km (0.091 R)
• M14: 8,890,452 km (0.085 R)
• M15: 11,253,500 km (0.109 R)
• M16: 14,768,302 km (0.108 R)
• M17: 15,965,683 km (0.117 R)
• M18: 19,181,738 km (0.026 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89

Radius: 3.6

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 6.62 AU - 10.18 AU

Year: 15971 Days

Day: 20.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,634,167 km

• M1: 67,319 km (0.066 R)
• M2: 537,954 km (0.041 R)
• M3: 1,171,501 km (0.112 R)
• M4: 1,358,199 km (0.098 R)
• M5: 3,311,349 km (0.114 R)
• M6: 4,387,406 km (0.095 R)
• M7: 6,779,177 km (0.092 R)
• M8: 12,254,908 km (0.115 R)
• M9: 18,713,048 km (0.112 R)
• M10: 19,122,946 km (0.057 R)
• M11: 21,858,194 km (0.112 R)
• M12: 22,850,626 km (0.078 R)
• M13: 23,793,242 km (0.095 R)
• M14: 25,839,442 km (0.077 R)
• M15: 31,413,758 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.8

Radius: 3.1

Gravity: 90.72 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 7.15 AU - 10.99 AU

Year: 17919 Days

Day: 18.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 76,634,167 km

• M1: 67,169 km (0.056 R)
• M2: 174,282 km (0.09 R)
• M3: 352,303 km (0.112 R)
• M4: 768,335 km (0.089 R)
• M5: 1,058,255 km (0.089 R)
• M6: 1,178,831 km (0.107 R)
• M7: 3,266,619 km (0.095 R)
• M8: 4,375,588 km (0.045 R)
• M9: 4,903,968 km (0.089 R)
• M10: 5,051,770 km (0.03 R)
• M11: 6,742,825 km (0.116 R)
• M12: 7,494,105 km (0.099 R)
• M13: 10,020,813 km (0.111 R)
• M14: 10,379,399 km (0.067 R)
• M15: 10,500,873 km (0.081 R)
• M16: 10,684,729 km (0.05 R)
• M17: 11,313,339 km (0.096 R)
• M18: 15,216,347 km (0.106 R)
• M19: 15,769,710 km (0.11 R)
• M20: 16,254,557 km (0.115 R)
• M21: 16,916,378 km (0.115 R)
• M22: 17,424,262 km (0.058 R)
• M23: 17,942,320 km (0.113 R)
• M24: 18,649,020 km (0.05 R)
• M25: 24,016,592 km (0.119 R)
• M26: 24,335,834 km (0.082 R)
• M27: 25,310,464 km (0.104 R)
• M28: 26,763,807 km (0.057 R)
• M29: 30,951,201 km (0.104 R)
• M30: 34,061,939 km (0.079 R)
• M31: 34,330,168 km (0.12 R)
• M32: 37,232,367 km (0.039 R)
• M33: 38,379,783 km (0.1 R)
• M34: 39,550,386 km (0.069 R)
• M35: 42,891,953 km (0.109 R)
• M36: 50,303,331 km (0.091 R)
• M37: 59,488,341 km (0.06 R)
• M38: 64,268,741 km (0.065 R)
• M39: 64,473,242 km (0.118 R)
• M40: 65,089,585 km (0.063 R)
• M41: 68,869,773 km (0.1 R)
• M42: 69,083,997 km (0.04 R)
• M43: 73,909,726 km (0.08 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 12,196 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit