🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.1

Radius: 12.1

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.65 AU - 0.67 AU

Year: 370 Days

Day: 11.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,727,788 km

• M1: 150,495 km (0.119 R)
• M2: 534,364 km (0.036 R)
• M3: 947,104 km (0.098 R)
• M4: 1,334,263 km (0.104 R)
• M5: 1,885,232 km (0.073 R)
• M6: 2,267,006 km (0.115 R)
• M7: 2,774,143 km (0.087 R)
• M8: 3,762,087 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.9

Radius: 14.3

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.21 AU - 1.35 AU

Year: 1000 Days

Day: 6.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 125.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,727,788 km

• M1: 178,620 km (0.093 R)
• M2: 686,056 km (0.11 R)
• M3: 1,384,678 km (0.105 R)
• M4: 1,863,840 km (0.115 R)
• M5: 2,639,206 km (0.069 R)
• M6: 3,215,157 km (0.088 R)
• M7: 4,609,559 km (0.063 R)
• M8: 5,070,021 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.9

Radius: 10.3

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.13 AU - 1.77 AU

Year: 1205 Days

Day: 7.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 172.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,727,788 km

• M1: 128,205 km (0.071 R)
• M2: 527,632 km (0.113 R)
• M3: 861,235 km (0.101 R)
• M4: 1,497,475 km (0.097 R)
• M5: 2,015,233 km (0.107 R)
• M6: 2,888,735 km (0.11 R)
• M7: 3,683,100 km (0.12 R)
• M8: 4,196,819 km (0.056 R)
• M9: 4,805,532 km (0.118 R)
• M10: 5,385,374 km (0.108 R)
• M11: 6,180,038 km (0.114 R)
• M12: 6,927,429 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.1

Radius: 9.2

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.37 AU - 1.63 AU

Year: 1268 Days

Day: 5.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,727,788 km

• M1: 114,442 km (0.041 R)
• M2: 437,574 km (0.107 R)
• M3: 806,482 km (0.107 R)
• M4: 1,122,582 km (0.059 R)
• M5: 1,640,939 km (0.062 R)
• M6: 2,043,507 km (0.091 R)
• M7: 2,625,592 km (0.067 R)
• M8: 3,084,110 km (0.044 R)
• M9: 3,621,764 km (0.074 R)
• M10: 6,340,107 km (0.072 R)
• M11: 6,695,103 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.6

Radius: 9.1

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.04 AU - 2.76 AU

Year: 2566 Days

Day: 9.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,727,788 km

• M1: 113,096 km (0.092 R)
• M2: 540,348 km (0.109 R)
• M3: 1,358,498 km (0.1 R)
• M4: 1,673,252 km (0.094 R)
• M5: 2,774,143 km (0.101 R)
• M6: 3,545,021 km (0.065 R)
• M7: 5,233,233 km (0.099 R)
• M8: 8,763,294 km (0.109 R)
• M9: 9,461,317 km (0.103 R)
• M10: 10,016,176 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.1

Radius: 11.3

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.57 AU - 5.21 AU

Year: 6349 Days

Day: 13.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,727,788 km

• M1: 144,960 km (0.088 R)
• M2: 499,956 km (0.116 R)
• M3: 956,978 km (0.108 R)
• M4: 1,453,044 km (0.098 R)
• M5: 1,818,661 km (0.108 R)
• M6: 3,181,199 km (0.067 R)
• M7: 3,977,658 km (0.076 R)
• M8: 5,045,637 km (0.037 R)
• M9: 6,228,208 km (0.111 R)
• M10: 7,101,710 km (0.111 R)
• M11: 8,541,889 km (0.113 R)
• M12: 12,359,626 km (0.101 R)
• M13: 16,339,977 km (0.087 R)
• M14: 16,924,007 km (0.035 R)
• M15: 18,340,549 km (0.108 R)
• M16: 19,042,313 km (0.09 R)
• M17: 24,047,559 km (0.08 R)
• M18: 25,144,410 km (0.091 R)
• M19: 26,186,060 km (0.103 R)
• M20: 26,806,891 km (0.092 R)
• M21: 30,059,299 km (0.093 R)
• M22: 31,133,411 km (0.057 R)
• M23: 33,878,532 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.6

Radius: 7.5

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.52 AU - 6.82 AU

Year: 9319 Days

Day: 20.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 85,727,788 km

• M1: 93,199 km (0.056 R)
• M2: 345,272 km (0.111 R)
• M3: 712,684 km (0.037 R)
• M4: 1,237,773 km (0.033 R)
• M5: 1,475,633 km (0.037 R)
• M6: 1,905,727 km (0.091 R)
• M7: 2,381,449 km (0.1 R)
• M8: 3,016,342 km (0.07 R)
• M9: 4,265,035 km (0.091 R)
• M10: 5,320,299 km (0.098 R)
• M11: 6,862,802 km (0.112 R)
• M12: 7,233,955 km (0.09 R)
• M13: 12,248,326 km (0.073 R)
• M14: 12,794,956 km (0.054 R)
• M15: 13,703,165 km (0.101 R)
• M16: 14,412,109 km (0.12 R)
• M17: 14,898,153 km (0.115 R)
• M18: 16,356,582 km (0.086 R)
• M19: 17,289,475 km (0.063 R)
• M20: 18,116,901 km (0.055 R)
• M21: 18,898,400 km (0.092 R)
• M22: 20,225,333 km (0.119 R)
• M23: 20,604,713 km (0.1 R)
• M24: 21,377,685 km (0.03 R)
• M25: 22,654,354 km (0.105 R)
• M26: 28,745,979 km (0.111 R)
• M27: 29,906,110 km (0.099 R)
• M28: 33,047,217 km (0.117 R)
• M29: 34,751,286 km (0.035 R)
• M30: 36,067,299 km (0.065 R)
• M31: 36,737,647 km (0.03 R)
• M32: 39,032,029 km (0.05 R)
• M33: 39,266,599 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906.5

Radius: 6.4

Gravity: 22.13 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.93 AU - 6.73 AU

Year: 9717 Days

Day: 15.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,727,788 km

• M1: 86,019 km (0.107 R)
• M2: 324,029 km (0.068 R)
• M3: 1,038,808 km (0.08 R)
• M4: 1,336,807 km (0.115 R)
• M5: 2,141,494 km (0.103 R)
• M6: 4,935,084 km (0.12 R)
• M7: 5,195,684 km (0.109 R)
• M8: 5,780,163 km (0.085 R)
• M9: 7,667,190 km (0.079 R)
• M10: 8,061,829 km (0.053 R)
• M11: 8,796,804 km (0.101 R)
• M12: 10,399,296 km (0.116 R)
• M13: 10,992,452 km (0.065 R)
• M14: 12,603,920 km (0.087 R)
• M15: 17,911,951 km (0.035 R)
• M16: 18,141,584 km (0.113 R)
• M17: 18,921,139 km (0.117 R)
• M18: 25,301,488 km (0.116 R)
• M19: 25,590,661 km (0.114 R)
• M20: 27,778,978 km (0.031 R)
• M21: 29,873,947 km (0.052 R)
• M22: 30,196,929 km (0.092 R)
• M23: 35,206,961 km (0.095 R)
• M24: 36,910,432 km (0.074 R)
• M25: 39,567,290 km (0.099 R)
• M26: 40,218,191 km (0.118 R)
• M27: 43,580,104 km (0.034 R)
• M28: 48,892,324 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.4

Radius: 4

Gravity: 37.53 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.74 AU - 8.04 AU

Year: 13867 Days

Day: 24.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 85,727,788 km

• M1: 49,966 km (0.118 R)
• M2: 242,049 km (0.08 R)
• M3: 498,909 km (0.105 R)
• M4: 673,340 km (0.112 R)
• M5: 1,274,275 km (0.119 R)
• M6: 1,650,962 km (0.117 R)
• M7: 1,952,551 km (0.073 R)
• M8: 2,664,787 km (0.106 R)
• M9: 3,276,941 km (0.097 R)
• M10: 4,332,803 km (0.098 R)
• M11: 8,202,900 km (0.085 R)
• M12: 10,884,741 km (0.074 R)
• M13: 11,227,470 km (0.09 R)
• M14: 12,545,876 km (0.096 R)
• M15: 13,632,854 km (0.119 R)
• M16: 14,505,309 km (0.086 R)
• M17: 16,962,005 km (0.1 R)
• M18: 19,431,267 km (0.106 R)
• M19: 20,882,217 km (0.114 R)
• M20: 24,675,421 km (0.071 R)
• M21: 26,374,404 km (0.104 R)
• M22: 26,579,203 km (0.088 R)
• M23: 28,043,018 km (0.115 R)
• M24: 29,339,882 km (0.088 R)
• M25: 32,520,034 km (0.114 R)
• M26: 34,681,424 km (0.081 R)
• M27: 35,174,349 km (0.096 R)
• M28: 36,681,248 km (0.039 R)
• M29: 39,021,557 km (0.069 R)
• M30: 40,772,301 km (0.067 R)
• M31: 44,429,670 km (0.114 R)
• M32: 45,303,621 km (0.116 R)
• M33: 46,189,091 km (0.108 R)
• M34: 50,316,346 km (0.073 R)
• M35: 50,947,948 km (0.096 R)
• M36: 52,874,470 km (0.026 R)
• M37: 53,037,083 km (0.049 R)
• M38: 53,691,274 km (0.116 R)
• M39: 54,350,851 km (0.109 R)
• M40: 55,518,014 km (0.07 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.1

Radius: 7

Gravity: 15.45 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 9.38 AU - 11.18 AU

Year: 22751 Days

Day: 24.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,727,788 km

• M1: 87,216 km (0.104 R)
• M2: 387,758 km (0.063 R)
• M3: 891,603 km (0.064 R)
• M4: 2,713,107 km (0.119 R)
• M5: 2,972,958 km (0.112 R)
• M6: 3,482,938 km (0.095 R)
• M7: 3,758,946 km (0.061 R)
• M8: 4,320,387 km (0.085 R)
• M9: 8,642,269 km (0.082 R)
• M10: 8,921,867 km (0.116 R)
• M11: 11,514,399 km (0.119 R)
• M12: 11,990,419 km (0.107 R)
• M13: 13,201,264 km (0.067 R)
• M14: 14,648,623 km (0.076 R)
• M15: 18,035,968 km (0.098 R)
• M16: 19,814,088 km (0.082 R)
• M17: 23,497,786 km (0.051 R)
• M18: 32,185,683 km (0.109 R)
• M19: 48,001,020 km (0.086 R)
• M20: 62,103,910 km (0.079 R)
• M21: 65,908,334 km (0.119 R)
• M22: 67,867,617 km (0.113 R)
• M23: 69,418,199 km (0.036 R)
• M24: 77,046,494 km (0.056 R)
• M25: 78,976,456 km (0.099 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 16,022 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit