🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.3

Radius: 13.1

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.72 AU - 1.14 AU

Year: 588 Days

Day: 14.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,245,021 km

• M1: 162,912 km (0.118 R)
• M2: 588,817 km (0.075 R)
• M3: 1,020,706 km (0.076 R)
• M4: 1,541,905 km (0.085 R)
• M5: 3,276,044 km (0.045 R)
• M6: 3,717,058 km (0.091 R)
• M7: 4,139,223 km (0.112 R)
• M8: 4,624,968 km (0.043 R)
• M9: 5,513,878 km (0.112 R)
• M10: 6,008,898 km (0.115 R)
• M11: 6,573,630 km (0.113 R)
• M12: 7,194,910 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.5

Radius: 14.8

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.92 AU - 1.04 AU

Year: 636 Days

Day: 8.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,245,021 km

• M1: 184,454 km (0.106 R)
• M2: 725,699 km (0.076 R)
• M3: 1,603,540 km (0.097 R)
• M4: 2,228,111 km (0.084 R)
• M5: 2,732,704 km (0.114 R)
• M6: 3,314,191 km (0.114 R)
• M7: 3,904,804 km (0.115 R)
• M8: 4,405,358 km (0.075 R)
• M9: 5,390,310 km (0.091 R)
• M10: 5,877,551 km (0.082 R)
• M11: 7,071,791 km (0.117 R)
• M12: 7,657,466 km (0.099 R)
• M13: 8,178,067 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.2

Radius: 8.6

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.77 AU - 1.21 AU

Year: 646 Days

Day: 12.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,245,021 km

• M1: 106,962 km (0.032 R)
• M2: 418,724 km (0.059 R)
• M3: 695,032 km (0.086 R)
• M4: 1,587,682 km (0.105 R)
• M5: 1,878,201 km (0.108 R)
• M6: 2,463,428 km (0.067 R)
• M7: 2,844,604 km (0.067 R)
• M8: 3,177,608 km (0.068 R)
• M9: 3,589,900 km (0.112 R)
• M10: 3,965,241 km (0.072 R)
• M11: 4,537,752 km (0.075 R)
• M12: 5,130,010 km (0.117 R)
• M13: 5,462,865 km (0.056 R)
• M14: 6,671,018 km (0.091 R)
• M15: 7,436,809 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.9

Radius: 9.2

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.22 AU - 1.8 AU

Year: 1217 Days

Day: 12 Hours

Environment

Temp: -168 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,245,021 km

• M1: 114,442 km (0.071 R)
• M2: 414,237 km (0.036 R)
• M3: 745,147 km (0.062 R)
• M4: 1,034,469 km (0.051 R)
• M5: 1,492,239 km (0.102 R)
• M6: 1,800,261 km (0.09 R)
• M7: 2,191,459 km (0.092 R)
• M8: 2,674,212 km (0.095 R)
• M9: 3,389,589 km (0.109 R)
• M10: 4,275,806 km (0.069 R)
• M11: 5,049,975 km (0.036 R)
• M12: 5,365,627 km (0.09 R)
• M13: 5,655,248 km (0.118 R)
• M14: 6,265,757 km (0.05 R)
• M15: 6,565,551 km (0.119 R)
• M16: 6,852,330 km (0.103 R)
• M17: 8,210,530 km (0.051 R)
• M18: 8,727,091 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.1

Radius: 15

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.04 AU - 2.14 AU

Year: 1982 Days

Day: 7 Hours

Environment

Temp: -195 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,245,021 km

• M1: 186,549 km (0.091 R)
• M2: 699,819 km (0.113 R)
• M3: 1,400,685 km (0.075 R)
• M4: 1,929,065 km (0.075 R)
• M5: 2,823,361 km (0.118 R)
• M6: 3,765,528 km (0.096 R)
• M7: 4,678,374 km (0.104 R)
• M8: 5,756,227 km (0.05 R)
• M9: 6,389,624 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.8

Radius: 9.1

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.47 AU - 3.61 AU

Year: 3477 Days

Day: 10 Hours

Environment

Temp: -208 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,245,021 km

• M1: 115,340 km (0.085 R)
• M2: 402,568 km (0.119 R)
• M3: 748,289 km (0.064 R)
• M4: 1,064,389 km (0.068 R)
• M5: 1,681,480 km (0.035 R)
• M6: 1,979,329 km (0.112 R)
• M7: 2,427,973 km (0.114 R)
• M8: 3,235,353 km (0.114 R)
• M9: 4,079,534 km (0.115 R)
• M10: 4,603,874 km (0.07 R)
• M11: 5,763,557 km (0.091 R)
• M12: 7,080,318 km (0.107 R)
• M13: 8,312,256 km (0.055 R)
• M14: 8,680,267 km (0.089 R)
• M15: 10,579,113 km (0.105 R)
• M16: 11,758,692 km (0.113 R)
• M17: 12,699,363 km (0.109 R)
• M18: 13,901,831 km (0.106 R)
• M19: 14,729,855 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.1

Radius: 8.5

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.96 AU - 3.38 AU

Year: 3703 Days

Day: 7 Hours

Environment

Temp: -209 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,245,021 km

• M1: 105,766 km (0.11 R)
• M2: 534,962 km (0.101 R)
• M3: 810,372 km (0.082 R)
• M4: 1,977,983 km (0.105 R)
• M5: 2,538,825 km (0.073 R)
• M6: 3,026,215 km (0.092 R)
• M7: 3,556,989 km (0.048 R)
• M8: 3,844,964 km (0.071 R)
• M9: 4,697,224 km (0.083 R)
• M10: 5,409,309 km (0.085 R)
• M11: 6,853,378 km (0.062 R)
• M12: 7,620,216 km (0.07 R)
• M13: 9,944,668 km (0.08 R)
• M14: 10,555,626 km (0.116 R)
• M15: 14,081,199 km (0.116 R)
• M16: 15,223,827 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.2

Radius: 11.5

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.95 AU - 6.07 AU

Year: 8485 Days

Day: 13.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,245,021 km

• M1: 143,315 km (0.096 R)
• M2: 575,353 km (0.098 R)
• M3: 5,904,628 km (0.07 R)
• M4: 6,703,481 km (0.072 R)
• M5: 13,510,782 km (0.088 R)
• M6: 14,845,046 km (0.084 R)
• M7: 16,537,745 km (0.066 R)
• M8: 18,005,151 km (0.065 R)
• M9: 21,003,691 km (0.073 R)
• M10: 21,918,033 km (0.117 R)

Asteroid Belt

Center: 6.82 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.8

Radius: 6.3

Gravity: 18.89 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 6.73 AU - 9.51 AU

Year: 15179 Days

Day: 16.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,245,021 km

• M1: 89,160 km (0.117 R)
• M2: 325,675 km (0.079 R)
• M3: 607,517 km (0.095 R)
• M4: 830,567 km (0.049 R)
• M5: 2,001,021 km (0.058 R)
• M6: 2,484,671 km (0.086 R)
• M7: 5,151,851 km (0.091 R)
• M8: 5,516,721 km (0.112 R)
• M9: 6,801,018 km (0.06 R)
• M10: 7,330,445 km (0.078 R)
• M11: 12,020,189 km (0.09 R)
• M12: 19,678,104 km (0.117 R)
• M13: 21,024,186 km (0.095 R)
• M14: 21,393,243 km (0.104 R)
• M15: 23,402,193 km (0.104 R)
• M16: 24,300,529 km (0.111 R)
• M17: 25,848,268 km (0.092 R)
• M18: 28,347,600 km (0.072 R)
• M19: 31,122,491 km (0.088 R)
• M20: 34,838,951 km (0.107 R)
• M21: 39,396,749 km (0.115 R)
• M22: 45,095,979 km (0.116 R)
• M23: 46,018,848 km (0.053 R)
• M24: 46,329,264 km (0.096 R)
• M25: 47,426,714 km (0.047 R)
• M26: 47,902,285 km (0.114 R)
• M27: 48,541,367 km (0.062 R)
• M28: 52,834,527 km (0.032 R)
• M29: 54,551,013 km (0.117 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 18,558 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit