🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.9

Radius: 8.9

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.52 AU - 0.74 AU

Year: 339 Days

Day: 7.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,519,300 km

• M1: 110,702 km (0.065 R)
• M2: 457,620 km (0.117 R)
• M3: 738,265 km (0.111 R)
• M4: 1,046,138 km (0.055 R)
• M5: 1,533,977 km (0.037 R)
• M6: 2,009,698 km (0.036 R)
• M7: 2,402,542 km (0.072 R)
• M8: 2,985,674 km (0.106 R)
• M9: 4,159,419 km (0.06 R)
• M10: 4,759,157 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.4

Radius: 12.1

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.97 AU - 1.51 AU

Year: 937 Days

Day: 10.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,519,300 km

• M1: 150,495 km (0.063 R)
• M2: 541,544 km (0.092 R)
• M3: 968,497 km (0.08 R)
• M4: 1,786,348 km (0.095 R)
• M5: 2,562,163 km (0.107 R)
• M6: 2,943,637 km (0.086 R)
• M7: 3,448,979 km (0.038 R)
• M8: 3,932,479 km (0.05 R)
• M9: 4,530,422 km (0.073 R)
• M10: 4,999,262 km (0.114 R)
• M11: 5,825,491 km (0.111 R)
• M12: 6,604,297 km (0.063 R)
• M13: 7,018,982 km (0.066 R)
• M14: 7,875,580 km (0.084 R)
• M15: 8,610,105 km (0.096 R)
• M16: 9,855,807 km (0.109 R)
• M17: 10,368,180 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.5

Radius: 9.3

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.45 AU - 2.05 AU

Year: 1570 Days

Day: 13.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,519,300 km

• M1: 115,789 km (0.082 R)
• M2: 628,461 km (0.085 R)
• M3: 959,670 km (0.087 R)
• M4: 1,506,151 km (0.089 R)
• M5: 2,555,730 km (0.117 R)
• M6: 2,891,278 km (0.075 R)
• M7: 3,375,526 km (0.073 R)
• M8: 5,470,944 km (0.067 R)
• M9: 6,716,346 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.4

Radius: 10.8

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.4 AU - 2.14 AU

Year: 1597 Days

Day: 5.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,519,300 km

• M1: 134,339 km (0.109 R)
• M2: 652,097 km (0.102 R)
• M3: 1,065,885 km (0.073 R)
• M4: 1,412,204 km (0.11 R)
• M5: 2,157,351 km (0.05 R)
• M6: 2,906,836 km (0.059 R)
• M7: 4,216,416 km (0.099 R)
• M8: 6,135,009 km (0.097 R)
• M9: 6,554,930 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98

Radius: 13.9

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.12 AU - 2.52 AU

Year: 2397 Days

Day: 7.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,519,300 km

• M1: 180,714 km (0.074 R)
• M2: 762,800 km (0.082 R)
• M3: 2,297,524 km (0.1 R)
• M4: 3,823,123 km (0.108 R)
• M5: 4,442,758 km (0.097 R)
• M6: 7,379,214 km (0.032 R)
• M7: 8,241,048 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.3

Radius: 9.9

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.31 AU - 2.43 AU

Year: 2475 Days

Day: 14.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,519,300 km

• M1: 123,119 km (0.118 R)
• M2: 448,794 km (0.107 R)
• M3: 808,576 km (0.05 R)
• M4: 1,165,218 km (0.066 R)
• M5: 1,506,002 km (0.076 R)
• M6: 1,934,151 km (0.073 R)
• M7: 2,371,425 km (0.095 R)
• M8: 2,833,982 km (0.1 R)
• M9: 3,385,849 km (0.072 R)
• M10: 4,214,322 km (0.107 R)
• M11: 4,686,004 km (0.097 R)
• M12: 5,314,614 km (0.108 R)
• M13: 6,178,093 km (0.082 R)
• M14: 7,540,780 km (0.074 R)
• M15: 8,917,978 km (0.11 R)
• M16: 9,483,009 km (0.104 R)
• M17: 10,916,605 km (0.033 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.2

Radius: 14.8

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.4 AU - 4.3 AU

Year: 5124 Days

Day: 13 Hours

Environment

Temp: -215 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,519,300 km

• M1: 184,454 km (0.117 R)
• M2: 878,887 km (0.118 R)
• M3: 1,584,092 km (0.096 R)
• M4: 2,196,246 km (0.11 R)
• M5: 3,033,845 km (0.077 R)
• M6: 3,625,504 km (0.111 R)
• M7: 4,405,657 km (0.116 R)
• M8: 7,178,155 km (0.091 R)
• M9: 8,237,308 km (0.108 R)
• M10: 9,704,863 km (0.103 R)
• M11: 10,177,592 km (0.099 R)
• M12: 11,254,846 km (0.119 R)
• M13: 11,777,092 km (0.074 R)
• M14: 13,684,914 km (0.085 R)
• M15: 15,101,456 km (0.105 R)
• M16: 16,391,738 km (0.115 R)
• M17: 17,120,579 km (0.105 R)
• M18: 18,343,841 km (0.078 R)
• M19: 19,007,457 km (0.056 R)
• M20: 20,510,915 km (0.108 R)
• M21: 21,225,993 km (0.103 R)
• M22: 22,843,894 km (0.089 R)
• M23: 23,471,308 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.2

Radius: 11.2

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.17 AU - 6.49 AU

Year: 8346 Days

Day: 13.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,519,300 km

• M1: 139,276 km (0.075 R)
• M2: 519,703 km (0.053 R)
• M3: 1,627,924 km (0.091 R)
• M4: 2,426,178 km (0.113 R)
• M5: 3,104,754 km (0.087 R)
• M6: 3,468,427 km (0.094 R)
• M7: 4,734,773 km (0.095 R)
• M8: 5,706,710 km (0.112 R)
• M9: 6,414,607 km (0.061 R)
• M10: 8,269,022 km (0.046 R)
• M11: 8,813,409 km (0.091 R)
• M12: 9,216,874 km (0.106 R)
• M13: 10,104,289 km (0.116 R)
• M14: 13,318,549 km (0.094 R)
• M15: 17,661,824 km (0.119 R)
• M16: 18,500,170 km (0.033 R)
• M17: 19,500,232 km (0.118 R)
• M18: 21,680,771 km (0.11 R)
• M19: 23,019,073 km (0.07 R)
• M20: 25,451,684 km (0.068 R)
• M21: 26,772,035 km (0.075 R)
• M22: 27,964,330 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.6

Radius: 6.4

Gravity: 13.15 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.12 AU - 6.5 AU

Year: 10751 Days

Day: 17.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 48,519,300 km

• M1: 79,736 km (0.053 R)
• M2: 299,345 km (0.068 R)
• M3: 650,900 km (0.102 R)
• M4: 951,891 km (0.07 R)
• M5: 1,175,241 km (0.077 R)
• M6: 1,394,551 km (0.117 R)
• M7: 1,612,665 km (0.096 R)
• M8: 2,016,131 km (0.096 R)
• M9: 3,090,692 km (0.093 R)
• M10: 4,503,345 km (0.075 R)
• M11: 4,830,515 km (0.096 R)
• M12: 5,141,529 km (0.09 R)
• M13: 5,499,218 km (0.058 R)
• M14: 6,672,065 km (0.099 R)
• M15: 7,216,900 km (0.073 R)
• M16: 7,665,395 km (0.092 R)
• M17: 9,076,103 km (0.113 R)
• M18: 9,311,121 km (0.056 R)
• M19: 11,125,743 km (0.098 R)
• M20: 11,947,036 km (0.088 R)
• M21: 12,172,779 km (0.115 R)
• M22: 13,404,717 km (0.057 R)
• M23: 14,270,739 km (0.078 R)
• M24: 16,045,419 km (0.114 R)
• M25: 19,789,704 km (0.053 R)
• M26: 21,905,616 km (0.114 R)
• M27: 22,329,128 km (0.101 R)
• M28: 22,931,259 km (0.091 R)
• M29: 24,985,836 km (0.033 R)
• M30: 26,773,232 km (0.055 R)
• M31: 27,452,556 km (0.081 R)
• M32: 28,243,180 km (0.098 R)
• M33: 32,643,901 km (0.099 R)
• M34: 37,360,423 km (0.086 R)
• M35: 39,442,526 km (0.106 R)
• M36: 41,342,718 km (0.064 R)
• M37: 46,012,415 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.7

Radius: 3.4

Gravity: 53.17 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.97 AU - 6.65 AU

Year: 10751 Days

Day: 22.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 48,519,300 km

• M1: 42,486 km (0.103 R)
• M2: 233,522 km (0.042 R)
• M3: 364,420 km (0.12 R)
• M4: 737,817 km (0.109 R)
• M5: 874,848 km (0.06 R)
• M6: 1,800,261 km (0.118 R)
• M7: 2,211,057 km (0.092 R)
• M8: 2,477,939 km (0.117 R)
• M9: 3,075,583 km (0.077 R)
• M10: 3,238,794 km (0.106 R)
• M11: 3,432,523 km (0.046 R)
• M12: 3,843,020 km (0.09 R)
• M13: 4,669,099 km (0.111 R)
• M14: 6,819,269 km (0.111 R)
• M15: 9,354,654 km (0.105 R)
• M16: 11,045,708 km (0.063 R)
• M17: 13,293,865 km (0.101 R)
• M18: 13,664,868 km (0.098 R)
• M19: 14,106,331 km (0.033 R)
• M20: 14,427,368 km (0.048 R)
• M21: 15,352,332 km (0.045 R)
• M22: 15,692,069 km (0.051 R)
• M23: 16,246,030 km (0.115 R)
• M24: 17,761,905 km (0.094 R)
• M25: 17,985,853 km (0.047 R)
• M26: 18,136,199 km (0.07 R)
• M27: 20,330,351 km (0.045 R)
• M28: 22,870,672 km (0.101 R)
• M29: 23,047,198 km (0.093 R)
• M30: 23,582,160 km (0.111 R)
• M31: 26,478,674 km (0.072 R)
• M32: 26,868,825 km (0.093 R)
• M33: 29,499,055 km (0.052 R)
• M34: 32,853,338 km (0.101 R)
• M35: 35,381,991 km (0.07 R)
• M36: 37,913,935 km (0.092 R)
• M37: 38,285,237 km (0.083 R)
• M38: 44,973,608 km (0.113 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 18,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit