🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.1

Radius: 13.2

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.65 AU - 0.83 AU

Year: 424 Days

Day: 6.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,944,214 km

• M1: 164,109 km (0.103 R)
• M2: 612,304 km (0.067 R)
• M3: 1,034,619 km (0.093 R)
• M4: 1,514,828 km (0.11 R)
• M5: 1,935,348 km (0.058 R)
• M6: 2,731,807 km (0.118 R)
• M7: 3,184,639 km (0.1 R)
• M8: 3,901,064 km (0.082 R)
• M9: 4,578,293 km (0.11 R)
• M10: 5,541,853 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.5

Radius: 11.7

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.75 AU - 1.03 AU

Year: 560 Days

Day: 6.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,944,214 km

• M1: 145,559 km (0.106 R)
• M2: 566,378 km (0.1 R)
• M3: 1,108,221 km (0.094 R)
• M4: 1,669,063 km (0.06 R)
• M5: 2,274,187 km (0.116 R)
• M6: 3,118,068 km (0.101 R)
• M7: 3,687,737 km (0.114 R)
• M8: 4,403,114 km (0.068 R)
• M9: 5,384,626 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.6

Radius: 13.4

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.19 AU - 1.25 AU

Year: 899 Days

Day: 6.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,944,214 km

• M1: 166,802 km (0.049 R)
• M2: 628,909 km (0.095 R)
• M3: 1,161,179 km (0.084 R)
• M4: 1,707,809 km (0.069 R)
• M5: 2,784,316 km (0.068 R)
• M6: 3,299,531 km (0.116 R)
• M7: 3,743,986 km (0.06 R)
• M8: 4,228,683 km (0.09 R)
• M9: 4,693,035 km (0.067 R)
• M10: 5,224,706 km (0.1 R)
• M11: 6,069,934 km (0.119 R)
• M12: 6,487,012 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.4

Radius: 9.2

Gravity: 11.81 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.4 AU - 1.56 AU

Year: 1201 Days

Day: 10.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,944,214 km

• M1: 114,442 km (0.094 R)
• M2: 434,283 km (0.05 R)
• M3: 851,361 km (0.082 R)
• M4: 1,179,280 km (0.063 R)
• M5: 1,574,069 km (0.108 R)
• M6: 2,001,620 km (0.07 R)
• M7: 2,308,594 km (0.06 R)
• M8: 3,106,400 km (0.102 R)
• M9: 3,457,057 km (0.106 R)
• M10: 3,902,560 km (0.074 R)
• M11: 4,575,002 km (0.086 R)
• M12: 5,940,831 km (0.084 R)
• M13: 6,855,472 km (0.11 R)
• M14: 7,399,559 km (0.119 R)
• M15: 8,028,469 km (0.066 R)
• M16: 9,114,250 km (0.102 R)
• M17: 9,644,724 km (0.073 R)
• M18: 10,228,605 km (0.079 R)
• M19: 10,939,643 km (0.043 R)
• M20: 11,719,198 km (0.076 R)
• M21: 12,880,227 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.6

Radius: 13.3

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.87 AU - 2.45 AU

Year: 2117 Days

Day: 5.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,944,214 km

• M1: 175,927 km (0.097 R)
• M2: 813,812 km (0.084 R)
• M3: 1,244,505 km (0.079 R)
• M4: 1,757,925 km (0.119 R)
• M5: 2,334,176 km (0.03 R)
• M6: 3,081,866 km (0.093 R)
• M7: 3,618,025 km (0.08 R)
• M8: 4,079,833 km (0.099 R)
• M9: 4,793,116 km (0.058 R)
• M10: 5,540,357 km (0.095 R)
• M11: 6,030,141 km (0.079 R)
• M12: 6,764,666 km (0.103 R)
• M13: 10,169,663 km (0.103 R)
• M14: 11,679,255 km (0.104 R)
• M15: 12,570,859 km (0.111 R)
• M16: 13,161,471 km (0.051 R)
• M17: 13,948,057 km (0.092 R)
• M18: 14,627,231 km (0.117 R)
• M19: 15,328,396 km (0.043 R)
• M20: 16,149,988 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972

Radius: 14.6

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.23 AU - 2.43 AU

Year: 2372 Days

Day: 12.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,944,214 km

• M1: 181,612 km (0.092 R)
• M2: 756,217 km (0.102 R)
• M3: 1,490,743 km (0.099 R)
• M4: 2,443,831 km (0.081 R)
• M5: 3,175,664 km (0.081 R)
• M6: 3,871,144 km (0.118 R)
• M7: 4,361,526 km (0.088 R)
• M8: 4,963,209 km (0.066 R)
• M9: 5,799,461 km (0.103 R)
• M10: 6,444,975 km (0.09 R)
• M11: 7,048,902 km (0.09 R)
• M12: 7,503,081 km (0.086 R)
• M13: 8,504,639 km (0.092 R)
• M14: 8,985,447 km (0.079 R)
• M15: 9,851,917 km (0.096 R)
• M16: 10,694,602 km (0.07 R)
• M17: 11,174,213 km (0.066 R)
• M18: 12,611,848 km (0.1 R)
• M19: 14,074,616 km (0.096 R)
• M20: 15,193,908 km (0.099 R)
• M21: 17,118,185 km (0.058 R)
• M22: 17,887,118 km (0.066 R)
• M23: 19,671,671 km (0.106 R)
• M24: 20,211,420 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.7

Radius: 9.4

Gravity: 11.23 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.38 AU - 3.94 AU

Year: 4669 Days

Day: 8.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,944,214 km

• M1: 117,135 km (0.082 R)
• M2: 453,880 km (0.068 R)
• M3: 960,568 km (0.118 R)
• M4: 1,318,107 km (0.11 R)
• M5: 1,672,953 km (0.111 R)
• M6: 2,031,689 km (0.043 R)
• M7: 2,906,836 km (0.097 R)
• M8: 3,304,019 km (0.107 R)
• M9: 3,874,136 km (0.073 R)
• M10: 6,268,899 km (0.087 R)
• M11: 8,289,816 km (0.059 R)
• M12: 9,174,688 km (0.096 R)
• M13: 11,710,671 km (0.084 R)
• M14: 12,309,362 km (0.059 R)
• M15: 12,616,336 km (0.05 R)
• M16: 14,340,601 km (0.032 R)
• M17: 14,680,488 km (0.101 R)
• M18: 16,400,415 km (0.115 R)
• M19: 17,149,900 km (0.051 R)
• M20: 21,909,506 km (0.062 R)
• M21: 23,360,156 km (0.062 R)
• M22: 24,873,937 km (0.082 R)
• M23: 25,779,603 km (0.068 R)
• M24: 31,299,764 km (0.083 R)
• M25: 32,161,448 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.3

Radius: 8

Gravity: 13.6 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.77 AU - 5.71 AU

Year: 7999 Days

Day: 5.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,944,214 km

• M1: 100,081 km (0.064 R)
• M2: 813,812 km (0.06 R)
• M3: 1,507,947 km (0.103 R)
• M4: 1,823,000 km (0.113 R)
• M5: 2,164,681 km (0.096 R)
• M6: 3,477,851 km (0.101 R)
• M7: 4,059,338 km (0.076 R)
• M8: 4,359,581 km (0.115 R)
• M9: 4,645,463 km (0.057 R)
• M10: 4,943,761 km (0.102 R)
• M11: 6,632,422 km (0.057 R)
• M12: 8,540,842 km (0.091 R)
• M13: 9,035,562 km (0.112 R)
• M14: 9,934,795 km (0.099 R)
• M15: 10,330,780 km (0.093 R)
• M16: 10,737,238 km (0.094 R)
• M17: 10,996,790 km (0.045 R)
• M18: 16,278,193 km (0.08 R)
• M19: 18,113,460 km (0.106 R)
• M20: 19,156,755 km (0.034 R)
• M21: 20,161,006 km (0.062 R)
• M22: 20,796,198 km (0.115 R)
• M23: 21,199,813 km (0.113 R)
• M24: 24,709,828 km (0.069 R)
• M25: 27,030,091 km (0.092 R)
• M26: 28,887,947 km (0.119 R)
• M27: 30,413,546 km (0.101 R)
• M28: 31,459,983 km (0.057 R)
• M29: 38,975,930 km (0.083 R)
• M30: 43,803,902 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.4

Radius: 4.8

Gravity: 18.46 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 7.55 AU - 11.07 AU

Year: 18943 Days

Day: 24.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,944,214 km

• M1: 59,839 km (0.065 R)
• M2: 227,688 km (0.111 R)
• M3: 516,412 km (0.114 R)
• M4: 820,694 km (0.118 R)
• M5: 1,403,527 km (0.077 R)
• M6: 2,187,121 km (0.085 R)
• M7: 2,539,873 km (0.066 R)
• M8: 3,741,592 km (0.102 R)
• M9: 4,370,651 km (0.068 R)
• M10: 5,571,623 km (0.029 R)
• M11: 5,835,813 km (0.102 R)
• M12: 6,029,692 km (0.112 R)
• M13: 10,241,021 km (0.056 R)
• M14: 11,162,544 km (0.104 R)
• M15: 15,111,779 km (0.107 R)
• M16: 15,699,997 km (0.111 R)
• M17: 20,786,923 km (0.086 R)
• M18: 20,967,189 km (0.1 R)
• M19: 26,765,752 km (0.069 R)
• M20: 32,446,731 km (0.066 R)
• M21: 32,933,074 km (0.089 R)
• M22: 39,983,621 km (0.079 R)
• M23: 48,449,365 km (0.109 R)
• M24: 48,766,213 km (0.116 R)
• M25: 56,443,725 km (0.094 R)
• M26: 57,323,660 km (0.114 R)
• M27: 59,111,205 km (0.077 R)
• M28: 60,751,396 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.7

Radius: 4

Gravity: 13.23 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 8.26 AU - 12.36 AU

Year: 22076 Days

Day: 23.6 Hours

Environment

Temp: -245 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,944,214 km

• M1: 62,233 km (0.094 R)
• M2: 291,865 km (0.105 R)
• M3: 456,722 km (0.059 R)
• M4: 866,920 km (0.113 R)
• M5: 3,085,755 km (0.101 R)
• M6: 5,785,548 km (0.101 R)
• M7: 6,235,239 km (0.088 R)
• M8: 7,374,427 km (0.036 R)
• M9: 20,283,975 km (0.115 R)
• M10: 29,331,056 km (0.117 R)
• M11: 46,966,401 km (0.044 R)
• M12: 47,861,894 km (0.075 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 15,131 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit