🌌 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: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.1

Radius: 10.4

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.62 AU - 0.68 AU

Year: 349 Days

Day: 14 Hours

Environment

Temp: -147 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,481,724 km

• M1: 129,402 km (0.1 R)
• M2: 532,718 km (0.074 R)
• M3: 1,002,605 km (0.107 R)
• M4: 1,487,751 km (0.119 R)
• M5: 2,388,031 km (0.052 R)
• M6: 3,175,514 km (0.087 R)
• M7: 3,545,320 km (0.104 R)
• M8: 5,354,856 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.3

Radius: 12.6

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1 AU - 1.18 AU

Year: 759 Days

Day: 7.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,481,724 km

• M1: 156,779 km (0.067 R)
• M2: 907,909 km (0.115 R)
• M3: 1,604,138 km (0.118 R)
• M4: 2,007,753 km (0.091 R)
• M5: 2,469,562 km (0.047 R)
• M6: 2,868,090 km (0.064 R)
• M7: 3,323,317 km (0.031 R)
• M8: 4,462,355 km (0.058 R)
• M9: 4,953,485 km (0.051 R)
• M10: 5,368,469 km (0.111 R)
• M11: 5,945,019 km (0.061 R)
• M12: 6,520,074 km (0.037 R)
• M13: 7,710,274 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.5

Radius: 11.9

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.2 AU - 1.38 AU

Year: 977 Days

Day: 5.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,481,724 km

• M1: 148,401 km (0.115 R)
• M2: 801,994 km (0.109 R)
• M3: 1,581,698 km (0.073 R)
• M4: 2,241,126 km (0.061 R)
• M5: 2,652,969 km (0.12 R)
• M6: 3,272,603 km (0.087 R)
• M7: 3,956,265 km (0.089 R)
• M8: 4,579,939 km (0.102 R)
• M9: 5,324,039 km (0.077 R)
• M10: 5,984,064 km (0.075 R)
• M11: 6,918,602 km (0.094 R)
• M12: 7,327,902 km (0.117 R)
• M13: 7,729,273 km (0.11 R)
• M14: 8,784,537 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.6

Radius: 12.5

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.15 AU - 1.53 AU

Year: 1034 Days

Day: 11.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,481,724 km

• M1: 155,432 km (0.042 R)
• M2: 692,189 km (0.099 R)
• M3: 1,137,542 km (0.089 R)
• M4: 1,751,941 km (0.117 R)
• M5: 2,676,306 km (0.08 R)
• M6: 3,235,204 km (0.042 R)
• M7: 4,014,309 km (0.115 R)
• M8: 4,859,537 km (0.091 R)
• M9: 5,413,498 km (0.081 R)
• M10: 5,988,104 km (0.118 R)
• M11: 6,580,511 km (0.106 R)
• M12: 6,996,842 km (0.072 R)
• M13: 7,908,491 km (0.104 R)
• M14: 8,595,295 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.7

Radius: 9.3

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.15 AU - 3.45 AU

Year: 3124 Days

Day: 8.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,481,724 km

• M1: 115,639 km (0.059 R)
• M2: 530,175 km (0.064 R)
• M3: 1,077,105 km (0.094 R)
• M4: 1,445,265 km (0.087 R)
• M5: 1,792,781 km (0.12 R)
• M6: 2,209,261 km (0.099 R)
• M7: 3,485,331 km (0.11 R)
• M8: 4,939,273 km (0.049 R)
• M9: 5,891,763 km (0.093 R)
• M10: 8,888,357 km (0.093 R)
• M11: 9,235,125 km (0.058 R)
• M12: 9,881,987 km (0.059 R)
• M13: 10,254,186 km (0.079 R)
• M14: 11,672,374 km (0.109 R)
• M15: 12,385,806 km (0.095 R)
• M16: 13,306,731 km (0.059 R)
• M17: 14,942,284 km (0.032 R)
• M18: 16,087,306 km (0.097 R)
• M19: 16,812,407 km (0.087 R)
• M20: 17,885,921 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.2

Radius: 4.3

Gravity: 46.04 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.25 AU - 7.41 AU

Year: 11903 Days

Day: 22.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,481,724 km

• M1: 101,577 km (0.08 R)
• M2: 237,113 km (0.026 R)
• M3: 488,886 km (0.067 R)
• M4: 784,940 km (0.098 R)
• M5: 1,166,564 km (0.107 R)
• M6: 1,434,793 km (0.069 R)
• M7: 1,583,793 km (0.079 R)
• M8: 1,809,685 km (0.113 R)
• M9: 1,966,165 km (0.085 R)
• M10: 2,958,896 km (0.101 R)
• M11: 3,276,792 km (0.062 R)
• M12: 5,114,901 km (0.11 R)
• M13: 6,250,797 km (0.098 R)
• M14: 6,488,508 km (0.106 R)
• M15: 8,325,720 km (0.115 R)
• M16: 8,760,152 km (0.065 R)
• M17: 9,938,983 km (0.076 R)
• M18: 14,103,339 km (0.072 R)
• M19: 14,650,718 km (0.085 R)
• M20: 15,933,819 km (0.093 R)
• M21: 17,367,565 km (0.111 R)
• M22: 17,523,296 km (0.089 R)
• M23: 17,679,925 km (0.099 R)
• M24: 18,884,936 km (0.055 R)
• M25: 21,546,881 km (0.03 R)
• M26: 22,456,286 km (0.052 R)
• M27: 23,013,987 km (0.078 R)
• M28: 23,485,819 km (0.112 R)
• M29: 24,939,760 km (0.077 R)
• M30: 31,241,870 km (0.106 R)
• M31: 35,440,334 km (0.115 R)
• M32: 42,208,291 km (0.104 R)
• M33: 42,489,984 km (0.068 R)
• M34: 49,945,344 km (0.102 R)
• M35: 51,856,008 km (0.036 R)
• M36: 53,484,829 km (0.103 R)
• M37: 54,979,761 km (0.091 R)
• M38: 56,161,584 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.9

Radius: 7.9

Gravity: 14.66 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 6.27 AU - 10.19 AU

Year: 15745 Days

Day: 18.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,481,724 km

• M1: 99,931 km (0.119 R)
• M2: 430,543 km (0.098 R)
• M3: 847,622 km (0.075 R)
• M4: 1,440,927 km (0.086 R)
• M5: 2,662,094 km (0.112 R)
• M6: 4,012,963 km (0.115 R)
• M7: 4,802,540 km (0.052 R)
• M8: 7,225,128 km (0.082 R)
• M9: 7,648,042 km (0.099 R)
• M10: 9,450,995 km (0.091 R)
• M11: 10,304,301 km (0.042 R)
• M12: 14,018,068 km (0.116 R)
• M13: 18,976,191 km (0.084 R)
• M14: 28,541,778 km (0.102 R)
• M15: 29,125,359 km (0.041 R)
• M16: 35,675,203 km (0.071 R)
• M17: 37,453,772 km (0.083 R)
• M18: 38,153,291 km (0.118 R)
• M19: 41,931,984 km (0.084 R)
• M20: 50,392,641 km (0.113 R)
• M21: 51,933,948 km (0.11 R)
• M22: 54,393,487 km (0.09 R)
• M23: 58,413,780 km (0.1 R)
• M24: 60,496,332 km (0.108 R)

Asteroid Belt

Center: 9.26 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.3

Radius: 6.9

Gravity: 15.05 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 9.93 AU - 10.63 AU

Year: 21980 Days

Day: 15.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,481,724 km

• M1: 85,869 km (0.108 R)
• M2: 397,781 km (0.062 R)
• M3: 972,685 km (0.04 R)
• M4: 1,323,941 km (0.051 R)
• M5: 1,685,070 km (0.109 R)
• M6: 2,703,084 km (0.076 R)
• M7: 3,174,616 km (0.11 R)
• M8: 3,824,021 km (0.117 R)
• M9: 5,034,866 km (0.076 R)
• M10: 5,423,372 km (0.075 R)
• M11: 5,665,870 km (0.079 R)
• M12: 5,915,698 km (0.115 R)
• M13: 6,802,066 km (0.074 R)
• M14: 7,277,188 km (0.113 R)
• M15: 12,248,475 km (0.09 R)
• M16: 12,808,719 km (0.107 R)
• M17: 13,755,225 km (0.104 R)
• M18: 16,450,231 km (0.105 R)
• M19: 17,218,416 km (0.109 R)
• M20: 18,551,782 km (0.065 R)
• M21: 19,952,466 km (0.07 R)
• M22: 22,235,031 km (0.041 R)
• M23: 23,921,896 km (0.11 R)
• M24: 24,138,664 km (0.062 R)
• M25: 31,655,059 km (0.047 R)
• M26: 39,225,160 km (0.086 R)
• M27: 44,399,152 km (0.081 R)
• M28: 46,725,100 km (0.12 R)
• M29: 48,090,031 km (0.073 R)
• M30: 49,131,082 km (0.091 R)
• M31: 55,884,977 km (0.117 R)
• M32: 69,201,581 km (0.118 R)
• M33: 71,197,367 km (0.036 R)
• M34: 71,421,464 km (0.113 R)
• M35: 72,322,492 km (0.086 R)
• M36: 74,147,287 km (0.099 R)
• M37: 74,608,198 km (0.032 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.4

Radius: 3.2

Gravity: 59.32 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 8.34 AU - 13.18 AU

Year: 23537 Days

Day: 15.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,481,724 km

• M1: 39,793 km (0.03 R)
• M2: 151,243 km (0.075 R)
• M3: 454,179 km (0.075 R)
• M4: 643,720 km (0.104 R)
• M5: 1,165,667 km (0.072 R)
• M6: 1,846,786 km (0.106 R)
• M7: 2,260,723 km (0.085 R)
• M8: 2,940,047 km (0.114 R)
• M9: 4,760,204 km (0.081 R)
• M10: 4,908,157 km (0.073 R)
• M11: 5,291,277 km (0.088 R)
• M12: 5,410,057 km (0.071 R)
• M13: 8,441,509 km (0.05 R)
• M14: 9,739,121 km (0.052 R)
• M15: 12,581,031 km (0.095 R)
• M16: 13,006,936 km (0.109 R)
• M17: 13,738,021 km (0.109 R)
• M18: 14,964,125 km (0.078 R)
• M19: 16,851,452 km (0.078 R)
• M20: 18,707,962 km (0.119 R)
• M21: 19,543,765 km (0.111 R)
• M22: 19,732,857 km (0.093 R)
• M23: 21,289,423 km (0.049 R)
• M24: 24,754,558 km (0.092 R)
• M25: 25,198,565 km (0.059 R)
• M26: 27,498,183 km (0.05 R)
• M27: 27,616,814 km (0.098 R)
• M28: 32,509,712 km (0.072 R)
• M29: 33,987,439 km (0.115 R)
• M30: 37,949,689 km (0.059 R)
• M31: 38,391,750 km (0.114 R)
• M32: 43,642,785 km (0.112 R)
• M33: 49,703,145 km (0.104 R)
• M34: 50,764,691 km (0.104 R)
• M35: 61,614,576 km (0.06 R)
• M36: 68,116,847 km (0.05 R)
• M37: 72,545,692 km (0.106 R)
• M38: 77,398,348 km (0.06 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 19,104 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit