🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.9

Radius: 13.5

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.99 AU - 1.35 AU

Year: 858 Days

Day: 6.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,672,864 km

• M1: 167,849 km (0.076 R)
• M2: 987,795 km (0.087 R)
• M3: 1,810,733 km (0.094 R)
• M4: 2,334,475 km (0.082 R)
• M5: 3,357,126 km (0.111 R)
• M6: 4,037,497 km (0.051 R)
• M7: 4,675,981 km (0.114 R)
• M8: 5,167,709 km (0.039 R)
• M9: 5,712,544 km (0.089 R)
• M10: 6,602,203 km (0.064 R)
• M11: 7,048,004 km (0.097 R)
• M12: 7,882,611 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.8

Radius: 12.4

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.22 AU - 1.6 AU

Year: 1136 Days

Day: 14.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,672,864 km

• M1: 158,424 km (0.108 R)
• M2: 716,723 km (0.101 R)
• M3: 1,227,301 km (0.076 R)
• M4: 1,668,465 km (0.069 R)
• M5: 2,353,773 km (0.074 R)
• M6: 3,891,340 km (0.052 R)
• M7: 4,542,240 km (0.093 R)
• M8: 4,982,656 km (0.087 R)
• M9: 5,409,609 km (0.079 R)
• M10: 6,017,126 km (0.084 R)
• M11: 6,963,631 km (0.116 R)
• M12: 7,446,683 km (0.079 R)
• M13: 8,480,554 km (0.116 R)
• M14: 9,032,271 km (0.114 R)
• M15: 10,467,662 km (0.027 R)
• M16: 11,240,036 km (0.049 R)
• M17: 11,978,152 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.8

Radius: 8

Gravity: 13.31 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.65 AU - 2.31 AU

Year: 1890 Days

Day: 11.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,672,864 km

• M1: 99,632 km (0.082 R)
• M2: 372,798 km (0.101 R)
• M3: 810,671 km (0.095 R)
• M4: 1,179,430 km (0.118 R)
• M5: 2,208,813 km (0.059 R)
• M6: 4,024,632 km (0.12 R)
• M7: 4,564,530 km (0.096 R)
• M8: 6,450,361 km (0.104 R)
• M9: 6,909,626 km (0.049 R)
• M10: 7,683,646 km (0.118 R)
• M11: 8,076,340 km (0.094 R)
• M12: 11,172,867 km (0.105 R)
• M13: 11,442,592 km (0.12 R)
• M14: 11,875,378 km (0.118 R)
• M15: 13,368,215 km (0.086 R)
• M16: 13,848,275 km (0.051 R)
• M17: 14,159,738 km (0.076 R)
• M18: 14,842,802 km (0.051 R)
• M19: 15,216,048 km (0.11 R)
• M20: 15,835,832 km (0.09 R)
• M21: 16,923,110 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.7

Radius: 12.3

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.4 AU - 2.68 AU

Year: 2746 Days

Day: 8.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,672,864 km

• M1: 153,039 km (0.063 R)
• M2: 624,122 km (0.099 R)
• M3: 1,060,350 km (0.085 R)
• M4: 1,933,702 km (0.079 R)
• M5: 2,373,071 km (0.119 R)
• M6: 2,939,897 km (0.063 R)
• M7: 3,578,231 km (0.115 R)
• M8: 4,150,144 km (0.11 R)
• M9: 4,592,355 km (0.056 R)
• M10: 5,269,286 km (0.064 R)
• M11: 5,716,284 km (0.05 R)
• M12: 6,369,129 km (0.038 R)
• M13: 8,313,752 km (0.105 R)
• M14: 13,599,793 km (0.117 R)
• M15: 15,136,013 km (0.115 R)
• M16: 15,849,296 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.7

Radius: 13.5

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.57 AU - 3.13 AU

Year: 3263 Days

Day: 14.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,672,864 km

• M1: 167,849 km (0.115 R)
• M2: 922,869 km (0.075 R)
• M3: 1,364,183 km (0.069 R)
• M4: 2,076,568 km (0.034 R)
• M5: 2,729,114 km (0.097 R)
• M6: 3,392,431 km (0.033 R)
• M7: 4,485,543 km (0.102 R)
• M8: 6,755,241 km (0.106 R)
• M9: 7,623,507 km (0.11 R)
• M10: 8,057,192 km (0.117 R)
• M11: 9,183,963 km (0.087 R)
• M12: 9,769,788 km (0.025 R)
• M13: 10,745,615 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.4

Radius: 11.9

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.76 AU - 4.7 AU

Year: 5901 Days

Day: 12.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,672,864 km

• M1: 147,952 km (0.062 R)
• M2: 623,225 km (0.054 R)
• M3: 1,042,847 km (0.1 R)
• M4: 1,511,836 km (0.071 R)
• M5: 1,976,038 km (0.032 R)
• M6: 2,451,460 km (0.061 R)
• M7: 3,258,092 km (0.091 R)
• M8: 3,723,940 km (0.116 R)
• M9: 5,004,797 km (0.1 R)
• M10: 5,510,737 km (0.067 R)
• M11: 6,112,719 km (0.113 R)
• M12: 6,527,254 km (0.094 R)
• M13: 7,097,671 km (0.118 R)
• M14: 8,493,718 km (0.103 R)
• M15: 9,339,694 km (0.049 R)
• M16: 10,419,192 km (0.063 R)
• M17: 11,532,051 km (0.117 R)
• M18: 12,167,094 km (0.11 R)
• M19: 14,102,741 km (0.108 R)
• M20: 15,995,304 km (0.085 R)
• M21: 17,159,025 km (0.081 R)
• M22: 19,245,018 km (0.054 R)
• M23: 19,861,062 km (0.095 R)
• M24: 21,277,006 km (0.111 R)
• M25: 24,547,664 km (0.088 R)
• M26: 25,845,875 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.6

Radius: 12.9

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.54 AU - 5.44 AU

Year: 6453 Days

Day: 13.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,672,864 km

• M1: 160,668 km (0.117 R)
• M2: 816,505 km (0.093 R)
• M3: 1,322,744 km (0.092 R)
• M4: 1,739,075 km (0.086 R)
• M5: 2,510,252 km (0.111 R)
• M6: 2,949,771 km (0.077 R)
• M7: 3,860,672 km (0.109 R)
• M8: 4,405,059 km (0.032 R)
• M9: 5,595,110 km (0.115 R)
• M10: 6,957,647 km (0.095 R)
• M11: 7,567,558 km (0.117 R)
• M12: 8,459,610 km (0.114 R)
• M13: 10,167,868 km (0.027 R)
• M14: 10,785,408 km (0.062 R)
• M15: 11,297,332 km (0.1 R)
• M16: 13,122,276 km (0.092 R)
• M17: 13,558,504 km (0.076 R)
• M18: 14,205,963 km (0.115 R)
• M19: 17,816,059 km (0.06 R)
• M20: 18,231,642 km (0.029 R)
• M21: 19,769,209 km (0.112 R)
• M22: 20,214,861 km (0.059 R)
• M23: 20,928,742 km (0.048 R)
• M24: 23,101,352 km (0.07 R)
• M25: 23,667,131 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.5

Radius: 12

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5 AU - 5.82 AU

Year: 8535 Days

Day: 9.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,672,864 km

• M1: 183,108 km (0.084 R)
• M2: 664,215 km (0.047 R)
• M3: 1,656,946 km (0.031 R)
• M4: 2,076,568 km (0.12 R)
• M5: 2,779,229 km (0.09 R)
• M6: 4,680,618 km (0.03 R)
• M7: 5,359,194 km (0.043 R)
• M8: 8,278,746 km (0.114 R)
• M9: 10,771,495 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464

Radius: 3.3

Gravity: 42.61 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.64 AU - 6.9 AU

Year: 9401 Days

Day: 21.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,672,864 km

• M1: 45,777 km (0.116 R)
• M2: 222,302 km (0.099 R)
• M3: 398,978 km (0.113 R)
• M4: 620,083 km (0.086 R)
• M5: 725,998 km (0.115 R)
• M6: 1,302,399 km (0.102 R)
• M7: 1,452,147 km (0.082 R)
• M8: 1,558,211 km (0.113 R)
• M9: 1,861,746 km (0.071 R)
• M10: 2,135,360 km (0.084 R)
• M11: 2,842,808 km (0.112 R)
• M12: 3,073,787 km (0.115 R)
• M13: 3,597,230 km (0.07 R)
• M14: 4,204,149 km (0.055 R)
• M15: 5,781,060 km (0.106 R)
• M16: 6,151,614 km (0.113 R)
• M17: 6,682,238 km (0.113 R)
• M18: 6,791,893 km (0.063 R)
• M19: 7,166,187 km (0.074 R)
• M20: 7,673,024 km (0.062 R)
• M21: 7,996,605 km (0.1 R)
• M22: 10,131,815 km (0.097 R)
• M23: 10,920,345 km (0.108 R)
• M24: 16,064,867 km (0.112 R)
• M25: 16,527,124 km (0.076 R)
• M26: 18,608,629 km (0.108 R)
• M27: 25,888,959 km (0.109 R)
• M28: 26,069,374 km (0.1 R)
• M29: 26,341,343 km (0.094 R)
• M30: 28,682,699 km (0.093 R)
• M31: 29,069,858 km (0.109 R)
• M32: 33,666,851 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.3

Radius: 8

Gravity: 14.75 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.53 AU - 10.43 AU

Year: 18252 Days

Day: 17.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,672,864 km

• M1: 99,782 km (0.09 R)
• M2: 456,872 km (0.119 R)
• M3: 717,172 km (0.102 R)
• M4: 1,118,992 km (0.03 R)
• M5: 1,514,230 km (0.086 R)
• M6: 2,060,411 km (0.104 R)
• M7: 4,097,486 km (0.106 R)
• M8: 4,605,221 km (0.066 R)
• M9: 6,208,012 km (0.096 R)
• M10: 7,644,601 km (0.047 R)
• M11: 8,048,665 km (0.116 R)
• M12: 9,809,282 km (0.049 R)
• M13: 12,559,938 km (0.087 R)
• M14: 15,069,891 km (0.108 R)
• M15: 15,465,129 km (0.054 R)
• M16: 24,032,150 km (0.106 R)
• M17: 27,745,618 km (0.064 R)
• M18: 28,459,499 km (0.094 R)
• M19: 29,307,868 km (0.085 R)
• M20: 31,824,404 km (0.109 R)
• M21: 34,345,427 km (0.104 R)
• M22: 36,004,468 km (0.09 R)
• M23: 38,739,266 km (0.102 R)
• M24: 40,081,907 km (0.085 R)
• M25: 41,609,750 km (0.047 R)
• M26: 43,973,696 km (0.082 R)
• M27: 44,457,046 km (0.12 R)
• M28: 45,763,185 km (0.092 R)
• M29: 51,422,174 km (0.108 R)
• M30: 62,062,322 km (0.026 R)
• M31: 64,726,361 km (0.06 R)
• M32: 67,465,498 km (0.096 R)
• M33: 70,721,197 km (0.079 R)
• M34: 74,079,968 km (0.077 R)
• M35: 77,778,327 km (0.082 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: 373 - 15,818 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit