🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.6

Radius: 9.7

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.77 AU - 0.85 AU

Year: 494 Days

Day: 7.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,503,995 km

• M1: 120,725 km (0.09 R)
• M2: 464,202 km (0.098 R)
• M3: 951,592 km (0.092 R)
• M4: 1,457,682 km (0.114 R)
• M5: 1,820,456 km (0.106 R)
• M6: 2,168,720 km (0.026 R)
• M7: 2,839,816 km (0.096 R)
• M8: 3,503,433 km (0.054 R)
• M9: 4,034,804 km (0.099 R)
• M10: 4,549,870 km (0.1 R)
• M11: 4,859,388 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.5

Radius: 10.5

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.71 AU - 1.03 AU

Year: 550 Days

Day: 11.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,503,995 km

• M1: 130,599 km (0.106 R)
• M2: 509,680 km (0.051 R)
• M3: 1,359,097 km (0.104 R)
• M4: 1,951,953 km (0.114 R)
• M5: 2,855,823 km (0.099 R)
• M6: 3,338,576 km (0.114 R)
• M7: 3,791,259 km (0.099 R)
• M8: 5,707,159 km (0.091 R)
• M9: 6,141,292 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.2

Radius: 11.8

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.46 AU - 1.7 AU

Year: 1347 Days

Day: 8.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,503,995 km

• M1: 146,756 km (0.076 R)
• M2: 750,682 km (0.105 R)
• M3: 1,128,866 km (0.063 R)
• M4: 1,593,367 km (0.114 R)
• M5: 2,084,347 km (0.112 R)
• M6: 2,649,079 km (0.047 R)
• M7: 3,032,798 km (0.027 R)
• M8: 3,406,792 km (0.042 R)
• M9: 4,176,922 km (0.095 R)
• M10: 4,546,429 km (0.06 R)
• M11: 5,611,416 km (0.066 R)
• M12: 7,404,197 km (0.119 R)
• M13: 9,426,012 km (0.096 R)
• M14: 11,254,846 km (0.113 R)
• M15: 12,764,289 km (0.114 R)
• M16: 13,309,423 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.9

Radius: 11.6

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.64 AU - 1.92 AU

Year: 1611 Days

Day: 14.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,503,995 km

• M1: 144,362 km (0.109 R)
• M2: 556,205 km (0.086 R)
• M3: 1,153,100 km (0.1 R)
• M4: 1,581,848 km (0.062 R)
• M5: 2,105,889 km (0.118 R)
• M6: 2,963,384 km (0.046 R)
• M7: 3,340,221 km (0.059 R)
• M8: 4,040,489 km (0.101 R)
• M9: 4,607,315 km (0.031 R)
• M10: 5,499,068 km (0.103 R)
• M11: 6,685,080 km (0.115 R)
• M12: 7,652,380 km (0.094 R)
• M13: 9,357,496 km (0.08 R)
• M14: 10,106,084 km (0.108 R)
• M15: 13,547,583 km (0.062 R)
• M16: 14,064,593 km (0.108 R)
• M17: 14,639,648 km (0.09 R)
• M18: 15,931,575 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.2

Radius: 14

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.37 AU - 2.83 AU

Year: 2843 Days

Day: 13.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,503,995 km

• M1: 174,730 km (0.096 R)
• M2: 676,482 km (0.113 R)
• M3: 1,224,758 km (0.087 R)
• M4: 1,739,674 km (0.12 R)
• M5: 2,669,125 km (0.084 R)
• M6: 3,538,588 km (0.111 R)
• M7: 3,996,058 km (0.111 R)
• M8: 4,787,132 km (0.074 R)
• M9: 5,370,863 km (0.107 R)
• M10: 5,885,779 km (0.074 R)
• M11: 6,408,922 km (0.092 R)
• M12: 7,278,984 km (0.081 R)
• M13: 7,798,687 km (0.057 R)
• M14: 8,669,795 km (0.108 R)
• M15: 10,400,493 km (0.113 R)
• M16: 11,935,666 km (0.081 R)
• M17: 12,505,185 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.6

Radius: 11

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.38 AU - 3.88 AU

Year: 3756 Days

Day: 14.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,503,995 km

• M1: 137,780 km (0.112 R)
• M2: 503,696 km (0.063 R)
• M3: 868,715 km (0.061 R)
• M4: 1,606,681 km (0.104 R)
• M5: 2,207,317 km (0.07 R)
• M6: 2,952,763 km (0.042 R)
• M7: 4,498,857 km (0.062 R)
• M8: 4,844,877 km (0.096 R)
• M9: 5,487,250 km (0.099 R)
• M10: 7,405,693 km (0.073 R)
• M11: 7,791,655 km (0.072 R)
• M12: 8,190,932 km (0.027 R)
• M13: 8,851,108 km (0.105 R)
• M14: 9,926,866 km (0.076 R)
• M15: 10,556,673 km (0.099 R)
• M16: 13,298,503 km (0.097 R)
• M17: 14,210,751 km (0.117 R)
• M18: 14,858,809 km (0.066 R)
• M19: 16,483,441 km (0.088 R)
• M20: 17,706,105 km (0.093 R)
• M21: 18,281,458 km (0.12 R)
• M22: 18,869,228 km (0.11 R)
• M23: 20,771,814 km (0.098 R)
• M24: 21,867,918 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.8

Radius: 9.8

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.35 AU - 5.33 AU

Year: 6132 Days

Day: 8.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,503,995 km

• M1: 121,922 km (0.117 R)
• M2: 448,195 km (0.039 R)
• M3: 779,854 km (0.105 R)
• M4: 1,155,644 km (0.07 R)
• M5: 2,462,381 km (0.047 R)
• M6: 3,194,064 km (0.097 R)
• M7: 3,558,335 km (0.118 R)
• M8: 4,064,125 km (0.046 R)
• M9: 5,756,825 km (0.116 R)
• M10: 6,175,550 km (0.112 R)
• M11: 7,380,860 km (0.114 R)
• M12: 10,556,224 km (0.11 R)
• M13: 11,649,037 km (0.108 R)
• M14: 12,222,894 km (0.092 R)
• M15: 13,375,396 km (0.117 R)
• M16: 13,687,607 km (0.092 R)
• M17: 16,069,953 km (0.092 R)
• M18: 20,518,694 km (0.062 R)
• M19: 21,214,773 km (0.091 R)
• M20: 27,613,074 km (0.107 R)
• M21: 28,375,874 km (0.063 R)
• M22: 28,719,350 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.1

Radius: 10.7

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.94 AU - 4.98 AU

Year: 7492 Days

Day: 12.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,503,995 km

• M1: 133,142 km (0.076 R)
• M2: 484,099 km (0.061 R)
• M3: 913,594 km (0.086 R)
• M4: 1,486,704 km (0.057 R)
• M5: 2,389,078 km (0.078 R)
• M6: 6,177,195 km (0.097 R)
• M7: 7,405,992 km (0.061 R)
• M8: 8,749,231 km (0.109 R)
• M9: 12,593,598 km (0.109 R)
• M10: 16,143,256 km (0.068 R)
• M11: 28,606,254 km (0.084 R)
• M12: 29,542,737 km (0.104 R)
• M13: 30,403,074 km (0.098 R)
• M14: 31,378,303 km (0.055 R)
• M15: 33,288,817 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492

Radius: 4.7

Gravity: 22.27 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 5.39 AU - 7.51 AU

Year: 11110 Days

Day: 24.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,503,995 km

• M1: 73,602 km (0.108 R)
• M2: 239,805 km (0.113 R)
• M3: 443,109 km (0.095 R)
• M4: 686,355 km (0.09 R)
• M5: 1,134,251 km (0.028 R)
• M6: 2,168,571 km (0.068 R)
• M7: 3,393,179 km (0.076 R)
• M8: 4,419,121 km (0.088 R)
• M9: 5,876,354 km (0.087 R)
• M10: 6,828,096 km (0.063 R)
• M11: 7,140,456 km (0.114 R)
• M12: 7,793,750 km (0.11 R)
• M13: 8,985,297 km (0.093 R)
• M14: 22,390,463 km (0.077 R)
• M15: 23,871,033 km (0.088 R)
• M16: 29,823,682 km (0.117 R)
• M17: 31,399,097 km (0.109 R)
• M18: 39,738,430 km (0.096 R)
• M19: 40,366,891 km (0.047 R)
• M20: 42,292,216 km (0.07 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995

Radius: 3

Gravity: 110.56 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.07 AU - 9.77 AU

Year: 15117 Days

Day: 23.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 71,503,995 km

• M1: 37,250 km (0.104 R)
• M2: 187,147 km (0.109 R)
• M3: 335,548 km (0.079 R)
• M4: 737,667 km (0.06 R)
• M5: 1,050,177 km (0.057 R)
• M6: 1,556,267 km (0.099 R)
• M7: 1,726,808 km (0.12 R)
• M8: 2,005,808 km (0.081 R)
• M9: 2,228,859 km (0.094 R)
• M10: 3,541,131 km (0.076 R)
• M11: 3,836,288 km (0.111 R)
• M12: 5,879,496 km (0.07 R)
• M13: 6,125,135 km (0.071 R)
• M14: 6,724,873 km (0.09 R)
• M15: 7,176,659 km (0.083 R)
• M16: 7,504,727 km (0.093 R)
• M17: 7,891,587 km (0.104 R)
• M18: 8,291,761 km (0.099 R)
• M19: 8,393,937 km (0.071 R)
• M20: 14,053,523 km (0.079 R)
• M21: 17,569,073 km (0.116 R)
• M22: 18,948,066 km (0.076 R)
• M23: 21,435,729 km (0.103 R)
• M24: 25,508,083 km (0.099 R)
• M25: 26,823,347 km (0.069 R)
• M26: 28,183,192 km (0.078 R)
• M27: 29,826,973 km (0.107 R)
• M28: 30,672,351 km (0.071 R)
• M29: 33,175,273 km (0.089 R)
• M30: 36,903,401 km (0.103 R)
• M31: 39,730,801 km (0.077 R)
• M32: 40,021,170 km (0.115 R)
• M33: 40,459,492 km (0.038 R)
• M34: 43,463,717 km (0.102 R)
• M35: 44,393,168 km (0.086 R)
• M36: 45,811,954 km (0.092 R)
• M37: 46,291,565 km (0.061 R)
• M38: 46,774,467 km (0.082 R)
• M39: 50,249,476 km (0.051 R)
• M40: 64,860,401 km (0.114 R)
• M41: 65,870,037 km (0.086 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 158 - 12,678 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit