🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.2

Radius: 12.1

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.97 AU - 1.11 AU

Year: 719 Days

Day: 14.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,122,218 km

• M1: 150,495 km (0.102 R)
• M2: 587,920 km (0.105 R)
• M3: 998,267 km (0.089 R)
• M4: 1,538,764 km (0.091 R)
• M5: 1,931,907 km (0.09 R)
• M6: 2,434,556 km (0.089 R)
• M7: 2,999,437 km (0.043 R)
• M8: 3,650,637 km (0.071 R)
• M9: 4,085,219 km (0.111 R)
• M10: 4,802,391 km (0.083 R)
• M11: 5,271,829 km (0.105 R)
• M12: 5,887,275 km (0.106 R)
• M13: 6,612,824 km (0.092 R)
• M14: 7,195,508 km (0.094 R)
• M15: 7,695,165 km (0.051 R)
• M16: 8,218,159 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.1

Radius: 10.9

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.03 AU - 2.35 AU

Year: 2198 Days

Day: 10 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,122,218 km

• M1: 135,685 km (0.102 R)
• M2: 477,217 km (0.11 R)
• M3: 896,091 km (0.071 R)
• M4: 1,243,158 km (0.11 R)
• M5: 1,623,137 km (0.098 R)
• M6: 2,363,946 km (0.064 R)
• M7: 3,303,271 km (0.096 R)
• M8: 4,989,089 km (0.106 R)
• M9: 6,220,429 km (0.106 R)
• M10: 6,658,003 km (0.107 R)
• M11: 7,257,591 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.4

Radius: 11.2

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.6 AU - 3.32 AU

Year: 3454 Days

Day: 14.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,122,218 km

• M1: 139,425 km (0.111 R)
• M2: 567,275 km (0.117 R)
• M3: 1,029,084 km (0.061 R)
• M4: 1,508,994 km (0.079 R)
• M5: 1,877,154 km (0.12 R)
• M6: 3,035,341 km (0.117 R)
• M7: 3,413,225 km (0.114 R)
• M8: 3,858,428 km (0.064 R)
• M9: 4,284,184 km (0.082 R)
• M10: 5,209,147 km (0.088 R)
• M11: 5,992,592 km (0.069 R)
• M12: 6,695,253 km (0.095 R)
• M13: 7,592,990 km (0.083 R)
• M14: 8,538,448 km (0.093 R)
• M15: 9,627,221 km (0.075 R)
• M16: 11,355,825 km (0.112 R)
• M17: 12,630,997 km (0.036 R)
• M18: 13,241,356 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.9

Radius: 15

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.12 AU - 3.46 AU

Year: 4047 Days

Day: 14.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,122,218 km

• M1: 186,549 km (0.094 R)
• M2: 656,435 km (0.077 R)
• M3: 1,218,026 km (0.073 R)
• M4: 1,705,565 km (0.108 R)
• M5: 2,576,973 km (0.118 R)
• M6: 3,191,072 km (0.056 R)
• M7: 5,048,180 km (0.07 R)
• M8: 5,843,293 km (0.098 R)
• M9: 6,501,075 km (0.095 R)
• M10: 7,042,918 km (0.108 R)
• M11: 10,779,723 km (0.096 R)
• M12: 12,726,590 km (0.092 R)
• M13: 13,887,320 km (0.036 R)
• M14: 14,844,148 km (0.118 R)
• M15: 16,303,176 km (0.093 R)
• M16: 18,228,052 km (0.068 R)
• M17: 19,505,618 km (0.046 R)
• M18: 20,300,431 km (0.119 R)
• M19: 20,773,908 km (0.11 R)
• M20: 22,238,920 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227

Radius: 8.6

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.57 AU - 5.89 AU

Year: 8112 Days

Day: 7.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,122,218 km

• M1: 107,112 km (0.083 R)
• M2: 443,109 km (0.119 R)
• M3: 724,502 km (0.111 R)
• M4: 3,053,442 km (0.105 R)
• M5: 4,583,080 km (0.06 R)
• M6: 6,826,001 km (0.087 R)
• M7: 7,467,028 km (0.108 R)
• M8: 10,136,453 km (0.063 R)
• M9: 12,925,555 km (0.091 R)
• M10: 16,662,061 km (0.091 R)
• M11: 17,022,742 km (0.107 R)
• M12: 26,179,777 km (0.069 R)
• M13: 28,765,726 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.4

Radius: 13.2

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.96 AU - 5.6 AU

Year: 8229 Days

Day: 14.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,122,218 km

• M1: 164,109 km (0.084 R)
• M2: 579,093 km (0.084 R)
• M3: 1,014,573 km (0.031 R)
• M4: 1,918,593 km (0.06 R)
• M5: 2,609,286 km (0.106 R)
• M6: 6,003,512 km (0.117 R)
• M7: 7,833,992 km (0.092 R)
• M8: 9,114,400 km (0.097 R)
• M9: 10,722,876 km (0.107 R)
• M10: 11,467,425 km (0.106 R)
• M11: 12,299,189 km (0.089 R)
• M12: 14,794,930 km (0.116 R)
• M13: 16,161,806 km (0.058 R)
• M14: 16,679,265 km (0.119 R)
• M15: 22,399,738 km (0.034 R)
• M16: 23,616,717 km (0.101 R)
• M17: 31,459,535 km (0.091 R)
• M18: 32,165,487 km (0.091 R)
• M19: 34,666,165 km (0.111 R)
• M20: 35,963,777 km (0.112 R)
• M21: 36,846,853 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.7

Radius: 9.6

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.69 AU - 5.93 AU

Year: 8299 Days

Day: 11.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,122,218 km

• M1: 157,975 km (0.09 R)
• M2: 669,301 km (0.043 R)
• M3: 1,310,328 km (0.118 R)
• M4: 1,801,757 km (0.077 R)
• M5: 2,265,959 km (0.057 R)
• M6: 4,935,982 km (0.105 R)
• M7: 6,023,409 km (0.101 R)
• M8: 8,310,461 km (0.076 R)
• M9: 8,665,905 km (0.07 R)
• M10: 10,140,192 km (0.101 R)
• M11: 11,500,187 km (0.106 R)
• M12: 17,725,553 km (0.072 R)
• M13: 19,148,378 km (0.07 R)
• M14: 21,630,955 km (0.056 R)
• M15: 22,304,893 km (0.039 R)
• M16: 22,819,510 km (0.093 R)
• M17: 23,342,055 km (0.104 R)
• M18: 25,419,072 km (0.093 R)
• M19: 29,627,709 km (0.12 R)
• M20: 30,458,874 km (0.096 R)
• M21: 30,986,207 km (0.115 R)
• M22: 37,435,670 km (0.12 R)
• M23: 40,908,585 km (0.11 R)
• M24: 44,455,550 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 473.1

Radius: 4.9

Gravity: 19.7 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 9.3 AU - 9.98 AU

Year: 20301 Days

Day: 24.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 88,122,218 km

• M1: 60,886 km (0.097 R)
• M2: 276,457 km (0.036 R)
• M3: 764,146 km (0.109 R)
• M4: 930,499 km (0.085 R)
• M5: 1,134,101 km (0.119 R)
• M6: 1,566,738 km (0.071 R)
• M7: 1,875,060 km (0.109 R)
• M8: 2,122,195 km (0.108 R)
• M9: 2,799,724 km (0.072 R)
• M10: 3,697,461 km (0.099 R)
• M11: 4,275,507 km (0.06 R)
• M12: 5,197,778 km (0.118 R)
• M13: 5,382,083 km (0.107 R)
• M14: 5,842,246 km (0.045 R)
• M15: 6,538,624 km (0.107 R)
• M16: 7,017,636 km (0.115 R)
• M17: 7,566,660 km (0.11 R)
• M18: 7,851,644 km (0.08 R)
• M19: 9,277,312 km (0.071 R)
• M20: 9,439,626 km (0.073 R)
• M21: 10,926,928 km (0.098 R)
• M22: 11,291,049 km (0.108 R)
• M23: 16,314,396 km (0.065 R)
• M24: 17,031,269 km (0.101 R)
• M25: 19,045,604 km (0.065 R)
• M26: 19,396,112 km (0.07 R)
• M27: 20,019,785 km (0.114 R)
• M28: 20,841,078 km (0.112 R)
• M29: 23,041,812 km (0.118 R)
• M30: 25,392,743 km (0.096 R)
• M31: 30,804,446 km (0.048 R)
• M32: 31,898,006 km (0.078 R)
• M33: 32,766,122 km (0.04 R)
• M34: 38,447,999 km (0.038 R)
• M35: 42,480,559 km (0.112 R)
• M36: 46,945,009 km (0.097 R)
• M37: 51,373,554 km (0.068 R)
• M38: 64,330,226 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.5

Radius: 7.2

Gravity: 15.11 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 9.61 AU - 11.53 AU

Year: 23308 Days

Day: 24.7 Hours

Environment

Temp: -244 °C

Axial Tilt: 125.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 88,122,218 km

• M1: 94,396 km (0.089 R)
• M2: 380,727 km (0.109 R)
• M3: 762,650 km (0.12 R)
• M4: 1,261,409 km (0.117 R)
• M5: 1,822,252 km (0.047 R)
• M6: 2,170,665 km (0.096 R)
• M7: 3,253,155 km (0.117 R)
• M8: 3,994,862 km (0.039 R)
• M9: 4,300,340 km (0.118 R)
• M10: 4,769,180 km (0.1 R)
• M11: 6,427,173 km (0.1 R)
• M12: 8,491,774 km (0.046 R)
• M13: 10,573,877 km (0.106 R)
• M14: 10,962,083 km (0.074 R)
• M15: 12,325,369 km (0.106 R)
• M16: 13,721,715 km (0.079 R)
• M17: 14,028,690 km (0.109 R)
• M18: 14,418,692 km (0.028 R)
• M19: 15,632,529 km (0.107 R)
• M20: 17,354,699 km (0.113 R)
• M21: 17,804,391 km (0.109 R)
• M22: 20,169,683 km (0.118 R)
• M23: 22,101,889 km (0.117 R)
• M24: 27,647,930 km (0.069 R)
• M25: 33,498,254 km (0.117 R)
• M26: 37,526,177 km (0.065 R)
• M27: 38,429,449 km (0.111 R)
• M28: 41,226,181 km (0.099 R)
• M29: 43,000,562 km (0.09 R)
• M30: 50,607,613 km (0.047 R)
• M31: 53,962,046 km (0.082 R)
• M32: 76,764,651 km (0.212 R)
• M33: 78,218,892 km (0.103 R)
• M34: 86,808,353 km (0.07 R)
• M35: 87,070,000 km (0.113 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: 196 - 18,625 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit