🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.43 AU - 0.61 AU

Year: 242 Days

Day: 42.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,463,167 km

• M1: 167,250 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374

Radius: 14.6

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.98 AU - 0.98 AU

Year: 626 Days

Day: 12.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,463,167 km

• M1: 181,612 km (0.094 R)
• M2: 678,726 km (0.11 R)
• M3: 1,419,684 km (0.102 R)
• M4: 1,882,390 km (0.059 R)
• M5: 2,721,933 km (0.113 R)
• M6: 3,904,056 km (0.054 R)
• M7: 4,452,631 km (0.102 R)
• M8: 5,099,791 km (0.078 R)
• M9: 5,826,388 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.2

Radius: 11.9

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.4 AU - 1.86 AU

Year: 1344 Days

Day: 13.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,463,167 km

• M1: 148,102 km (0.092 R)
• M2: 554,559 km (0.1 R)
• M3: 1,058,704 km (0.061 R)
• M4: 2,156,753 km (0.12 R)
• M5: 2,627,986 km (0.116 R)
• M6: 3,675,320 km (0.059 R)
• M7: 4,470,732 km (0.116 R)
• M8: 4,855,498 km (0.103 R)
• M9: 6,446,322 km (0.092 R)
• M10: 7,124,599 km (0.086 R)
• M11: 8,230,875 km (0.058 R)
• M12: 9,084,779 km (0.091 R)
• M13: 9,792,228 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.8

Radius: 9.2

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.53 AU - 1.83 AU

Year: 1406 Days

Day: 14.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,463,167 km

• M1: 114,592 km (0.107 R)
• M2: 559,496 km (0.062 R)
• M3: 1,323,044 km (0.051 R)
• M4: 2,074,623 km (0.113 R)
• M5: 2,714,304 km (0.114 R)
• M6: 3,240,140 km (0.075 R)
• M7: 3,702,846 km (0.092 R)
• M8: 4,966,949 km (0.074 R)
• M9: 6,476,690 km (0.09 R)
• M10: 7,212,562 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.2

Radius: 8

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.54 AU - 3.52 AU

Year: 3405 Days

Day: 7.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,463,167 km

• M1: 103,671 km (0.112 R)
• M2: 415,882 km (0.117 R)
• M3: 769,681 km (0.071 R)
• M4: 1,251,536 km (0.101 R)
• M5: 3,365,055 km (0.03 R)
• M6: 6,483,422 km (0.107 R)
• M7: 7,471,666 km (0.078 R)
• M8: 9,774,575 km (0.116 R)
• M9: 11,829,601 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.4

Radius: 9.2

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.57 AU - 4.93 AU

Year: 5657 Days

Day: 7 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,463,167 km

• M1: 114,442 km (0.093 R)
• M2: 500,255 km (0.092 R)
• M3: 911,350 km (0.108 R)
• M4: 1,410,708 km (0.05 R)
• M5: 2,307,697 km (0.118 R)
• M6: 2,958,298 km (0.104 R)
• M7: 3,478,599 km (0.046 R)
• M8: 4,034,355 km (0.092 R)
• M9: 4,648,155 km (0.118 R)
• M10: 5,622,935 km (0.071 R)
• M11: 6,590,983 km (0.06 R)
• M12: 8,365,513 km (0.076 R)
• M13: 9,406,116 km (0.099 R)
• M14: 10,484,118 km (0.094 R)
• M15: 10,813,682 km (0.071 R)
• M16: 15,873,232 km (0.059 R)
• M17: 17,071,959 km (0.088 R)
• M18: 17,594,355 km (0.111 R)
• M19: 18,060,203 km (0.087 R)
• M20: 19,155,858 km (0.11 R)
• M21: 24,146,742 km (0.027 R)
• M22: 24,888,299 km (0.106 R)
• M23: 25,560,143 km (0.07 R)
• M24: 26,416,740 km (0.094 R)
• M25: 27,648,080 km (0.038 R)
• M26: 34,487,396 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.1

Radius: 15

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.9 AU - 5.2 AU

Year: 6267 Days

Day: 7.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,463,167 km

• M1: 186,549 km (0.049 R)
• M2: 662,569 km (0.12 R)
• M3: 1,314,816 km (0.108 R)
• M4: 1,902,586 km (0.043 R)
• M5: 2,565,903 km (0.062 R)
• M6: 3,073,039 km (0.098 R)
• M7: 3,626,402 km (0.066 R)
• M8: 4,153,734 km (0.115 R)
• M9: 5,174,291 km (0.102 R)
• M10: 6,418,497 km (0.029 R)
• M11: 8,628,955 km (0.103 R)
• M12: 10,033,380 km (0.032 R)
• M13: 11,446,481 km (0.087 R)
• M14: 14,940,339 km (0.088 R)
• M15: 17,446,253 km (0.102 R)
• M16: 18,004,253 km (0.093 R)
• M17: 19,025,857 km (0.069 R)
• M18: 21,114,692 km (0.094 R)
• M19: 22,178,632 km (0.087 R)
• M20: 25,585,574 km (0.037 R)
• M21: 27,123,740 km (0.041 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.5

Radius: 8.8

Gravity: 12.13 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.46 AU - 5.74 AU

Year: 7437 Days

Day: 8.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 53,463,167 km

• M1: 110,702 km (0.053 R)
• M2: 697,276 km (0.098 R)
• M3: 1,228,797 km (0.073 R)
• M4: 1,808,189 km (0.074 R)
• M5: 2,212,403 km (0.079 R)
• M6: 2,656,409 km (0.108 R)
• M7: 4,216,715 km (0.105 R)
• M8: 4,841,885 km (0.071 R)
• M9: 5,398,090 km (0.106 R)
• M10: 5,893,558 km (0.1 R)
• M11: 6,383,042 km (0.119 R)
• M12: 10,006,751 km (0.03 R)
• M13: 10,451,356 km (0.106 R)
• M14: 10,857,514 km (0.091 R)
• M15: 12,531,814 km (0.106 R)
• M16: 14,002,211 km (0.098 R)
• M17: 14,684,377 km (0.062 R)
• M18: 15,323,459 km (0.114 R)
• M19: 18,139,490 km (0.069 R)
• M20: 20,327,957 km (0.1 R)
• M21: 20,881,469 km (0.047 R)
• M22: 21,282,990 km (0.072 R)
• M23: 21,771,577 km (0.039 R)
• M24: 22,101,589 km (0.083 R)
• M25: 23,888,386 km (0.118 R)
• M26: 24,416,168 km (0.046 R)
• M27: 26,046,186 km (0.075 R)
• M28: 29,925,857 km (0.113 R)
• M29: 34,732,138 km (0.098 R)
• M30: 35,409,517 km (0.101 R)
• M31: 36,095,573 km (0.114 R)
• M32: 38,087,917 km (0.058 R)
• M33: 40,276,085 km (0.12 R)
• M34: 41,653,882 km (0.045 R)
• M35: 42,162,514 km (0.12 R)
• M36: 43,582,796 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862

Radius: 7.4

Gravity: 15.74 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.13 AU - 7.89 AU

Year: 11984 Days

Day: 18.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 53,463,167 km

• M1: 92,601 km (0.101 R)
• M2: 330,761 km (0.116 R)
• M3: 671,395 km (0.087 R)
• M4: 1,543,401 km (0.119 R)
• M5: 2,527,606 km (0.084 R)
• M6: 3,215,457 km (0.077 R)
• M7: 3,993,216 km (0.074 R)
• M8: 5,765,951 km (0.113 R)
• M9: 6,067,241 km (0.055 R)
• M10: 8,147,399 km (0.089 R)
• M11: 9,476,576 km (0.091 R)
• M12: 12,873,046 km (0.087 R)
• M13: 15,088,441 km (0.091 R)
• M14: 15,444,933 km (0.061 R)
• M15: 15,880,113 km (0.081 R)
• M16: 16,927,298 km (0.076 R)
• M17: 18,910,667 km (0.084 R)
• M18: 19,158,551 km (0.114 R)
• M19: 20,344,712 km (0.102 R)
• M20: 21,578,894 km (0.087 R)
• M21: 21,940,473 km (0.105 R)
• M22: 22,768,946 km (0.094 R)
• M23: 25,883,723 km (0.049 R)
• M24: 27,861,556 km (0.046 R)
• M25: 28,182,743 km (0.068 R)
• M26: 30,050,023 km (0.054 R)
• M27: 35,513,487 km (0.076 R)
• M28: 36,144,491 km (0.084 R)
• M29: 38,082,382 km (0.097 R)
• M30: 41,048,309 km (0.094 R)
• M31: 42,871,459 km (0.07 R)
• M32: 47,131,707 km (0.101 R)
• M33: 47,587,980 km (0.114 R)
• M34: 48,974,154 km (0.072 R)
• M35: 49,755,953 km (0.111 R)
• M36: 54,621,623 km (0.097 R)
• M37: 55,293,467 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.1

Radius: 7.9

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.81 AU - 9.03 AU

Year: 13050 Days

Day: 21.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,463,167 km

• M1: 98,286 km (0.111 R)
• M2: 544,686 km (0.092 R)
• M3: 817,702 km (0.073 R)
• M4: 1,468,303 km (0.118 R)
• M5: 1,719,029 km (0.082 R)
• M6: 2,051,136 km (0.1 R)
• M7: 2,934,961 km (0.115 R)
• M8: 5,158,284 km (0.101 R)
• M9: 6,186,321 km (0.1 R)
• M10: 7,052,941 km (0.055 R)
• M11: 8,315,996 km (0.117 R)
• M12: 9,469,994 km (0.077 R)
• M13: 9,877,349 km (0.093 R)
• M14: 12,572,055 km (0.087 R)
• M15: 14,219,128 km (0.111 R)
• M16: 16,076,685 km (0.065 R)
• M17: 20,099,671 km (0.115 R)
• M18: 21,898,735 km (0.048 R)
• M19: 24,651,485 km (0.057 R)
• M20: 25,131,545 km (0.098 R)
• M21: 31,841,009 km (0.105 R)
• M22: 37,465,740 km (0.116 R)
• M23: 40,445,280 km (0.064 R)
• M24: 42,608,615 km (0.113 R)
• M25: 47,607,877 km (0.104 R)
• M26: 49,559,979 km (0.12 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 19,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit