🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.3

Radius: 8

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.93 AU - 1.33 AU

Year: 829 Days

Day: 12.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,782,258 km

• M1: 99,483 km (0.05 R)
• M2: 369,208 km (0.111 R)
• M3: 1,239,269 km (0.04 R)
• M4: 1,619,846 km (0.111 R)
• M5: 1,878,949 km (0.086 R)
• M6: 2,288,997 km (0.117 R)
• M7: 2,841,612 km (0.102 R)
• M8: 3,208,725 km (0.074 R)
• M9: 3,592,892 km (0.115 R)
• M10: 4,258,603 km (0.099 R)
• M11: 4,689,145 km (0.044 R)
• M12: 4,986,097 km (0.078 R)
• M13: 5,637,147 km (0.052 R)
• M14: 6,095,066 km (0.111 R)
• M15: 6,773,193 km (0.115 R)
• M16: 7,130,732 km (0.028 R)
• M17: 7,859,124 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.1

Radius: 8.2

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.85 AU - 1.41 AU

Year: 829 Days

Day: 10 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,782,258 km

• M1: 103,223 km (0.106 R)
• M2: 445,652 km (0.104 R)
• M3: 717,023 km (0.039 R)
• M4: 984,653 km (0.1 R)
• M5: 1,292,675 km (0.053 R)
• M6: 1,624,034 km (0.109 R)
• M7: 2,321,161 km (0.12 R)
• M8: 2,791,347 km (0.043 R)
• M9: 3,557,437 km (0.114 R)
• M10: 5,948,161 km (0.088 R)
• M11: 7,118,465 km (0.036 R)
• M12: 7,439,502 km (0.116 R)
• M13: 7,722,242 km (0.119 R)
• M14: 8,061,231 km (0.104 R)
• M15: 8,334,546 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13

Radius: 13.5

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.73 AU - 2.27 AU

Year: 1952 Days

Day: 9.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 143.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 48,782,258 km

• M1: 175,628 km (0.119 R)
• M2: 1,514,529 km (0.111 R)
• M3: 2,085,245 km (0.115 R)
• M4: 3,377,172 km (0.085 R)
• M5: 4,107,509 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.9

Radius: 10.2

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.17 AU - 2.29 AU

Year: 2299 Days

Day: 6.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,782,258 km

• M1: 126,859 km (0.114 R)
• M2: 791,223 km (0.083 R)
• M3: 1,111,811 km (0.068 R)
• M4: 1,547,440 km (0.116 R)
• M5: 1,869,973 km (0.035 R)
• M6: 2,743,475 km (0.059 R)
• M7: 3,691,477 km (0.09 R)
• M8: 4,052,008 km (0.07 R)
• M9: 4,563,483 km (0.115 R)
• M10: 5,157,237 km (0.066 R)
• M11: 5,525,098 km (0.098 R)
• M12: 7,151,227 km (0.044 R)
• M13: 8,361,923 km (0.097 R)
• M14: 9,551,824 km (0.109 R)
• M15: 10,394,958 km (0.073 R)
• M16: 11,423,293 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.8

Radius: 12

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.02 AU - 4.28 AU

Year: 4813 Days

Day: 5.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,782,258 km

• M1: 149,299 km (0.118 R)
• M2: 568,622 km (0.085 R)
• M3: 987,795 km (0.115 R)
• M4: 1,445,415 km (0.069 R)
• M5: 1,836,613 km (0.092 R)
• M6: 2,314,279 km (0.069 R)
• M7: 3,215,457 km (0.074 R)
• M8: 4,383,517 km (0.099 R)
• M9: 4,789,226 km (0.099 R)
• M10: 6,609,084 km (0.057 R)
• M11: 7,708,778 km (0.066 R)
• M12: 10,063,299 km (0.075 R)
• M13: 10,603,198 km (0.106 R)
• M14: 11,382,603 km (0.119 R)
• M15: 11,831,845 km (0.059 R)
• M16: 12,766,084 km (0.099 R)
• M17: 14,518,473 km (0.096 R)
• M18: 16,482,693 km (0.119 R)
• M19: 17,000,302 km (0.11 R)
• M20: 17,469,441 km (0.093 R)
• M21: 19,496,791 km (0.116 R)
• M22: 19,881,557 km (0.048 R)
• M23: 21,813,464 km (0.075 R)
• M24: 22,789,590 km (0.085 R)
• M25: 23,288,499 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.3

Radius: 8.2

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.1 AU - 4.3 AU

Year: 4913 Days

Day: 12.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,782,258 km

• M1: 102,026 km (0.083 R)
• M2: 390,151 km (0.105 R)
• M3: 750,981 km (0.088 R)
• M4: 1,137,093 km (0.034 R)
• M5: 1,435,990 km (0.117 R)
• M6: 1,700,629 km (0.113 R)
• M7: 2,067,143 km (0.115 R)
• M8: 2,485,868 km (0.089 R)
• M9: 2,853,879 km (0.079 R)
• M10: 4,727,143 km (0.069 R)
• M11: 5,905,226 km (0.052 R)
• M12: 6,288,047 km (0.119 R)
• M13: 6,750,305 km (0.063 R)
• M14: 7,812,150 km (0.083 R)
• M15: 8,456,319 km (0.09 R)
• M16: 8,867,115 km (0.119 R)
• M17: 11,800,579 km (0.119 R)
• M18: 13,586,329 km (0.057 R)
• M19: 17,265,988 km (0.084 R)
• M20: 17,564,585 km (0.032 R)
• M21: 18,919,942 km (0.096 R)
• M22: 19,623,201 km (0.099 R)
• M23: 20,014,101 km (0.064 R)
• M24: 20,543,228 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.6

Radius: 13.1

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.1 AU - 4.46 AU

Year: 6112 Days

Day: 12.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,782,258 km

• M1: 162,912 km (0.12 R)
• M2: 821,442 km (0.054 R)
• M3: 1,261,559 km (0.064 R)
• M4: 2,233,795 km (0.075 R)
• M5: 3,106,250 km (0.111 R)
• M6: 4,093,147 km (0.089 R)
• M7: 7,005,219 km (0.114 R)
• M8: 9,256,817 km (0.064 R)
• M9: 9,750,340 km (0.105 R)
• M10: 10,261,367 km (0.104 R)
• M11: 10,692,657 km (0.116 R)
• M12: 12,758,754 km (0.091 R)
• M13: 15,140,202 km (0.088 R)
• M14: 16,664,305 km (0.081 R)
• M15: 20,090,096 km (0.053 R)
• M16: 20,843,023 km (0.08 R)
• M17: 21,381,126 km (0.113 R)
• M18: 24,550,806 km (0.038 R)
• M19: 27,375,812 km (0.092 R)
• M20: 27,835,975 km (0.065 R)
• M21: 33,768,727 km (0.115 R)
• M22: 37,141,411 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.5

Radius: 11.7

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.44 AU - 5.14 AU

Year: 7236 Days

Day: 10.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,782,258 km

• M1: 360,082 km (0.113 R)
• M2: 743,950 km (0.072 R)
• M3: 1,428,809 km (0.082 R)
• M4: 1,834,070 km (0.116 R)
• M5: 2,715,501 km (0.101 R)
• M6: 3,283,972 km (0.11 R)
• M7: 6,865,645 km (0.062 R)
• M8: 10,785,258 km (0.037 R)
• M9: 12,317,141 km (0.09 R)
• M10: 15,747,270 km (0.073 R)
• M11: 17,191,339 km (0.063 R)
• M12: 17,846,128 km (0.065 R)
• M13: 24,262,830 km (0.088 R)
• M14: 26,443,817 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.9

Radius: 12.9

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.08 AU - 5.3 AU

Year: 8161 Days

Day: 8.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,782,258 km

• M1: 169,046 km (0.043 R)
• M2: 591,660 km (0.047 R)
• M3: 1,319,902 km (0.096 R)
• M4: 2,174,255 km (0.109 R)
• M5: 3,660,211 km (0.117 R)
• M6: 4,663,863 km (0.058 R)
• M7: 5,151,403 km (0.12 R)
• M8: 5,639,241 km (0.038 R)
• M9: 7,211,964 km (0.118 R)
• M10: 8,078,734 km (0.076 R)
• M11: 8,694,329 km (0.034 R)
• M12: 9,579,649 km (0.091 R)
• M13: 15,128,683 km (0.092 R)
• M14: 18,802,807 km (0.117 R)
• M15: 22,687,714 km (0.113 R)
• M16: 25,277,702 km (0.057 R)
• M17: 27,959,842 km (0.118 R)
• M18: 30,092,210 km (0.116 R)
• M19: 42,009,176 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.6

Radius: 5.1

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 9.1 AU - 10.24 AU

Year: 20756 Days

Day: 16.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,782,258 km

• M1: 63,579 km (0.08 R)
• M2: 278,252 km (0.09 R)
• M3: 1,179,430 km (0.117 R)
• M4: 1,459,327 km (0.117 R)
• M5: 1,659,788 km (0.08 R)
• M6: 2,571,438 km (0.045 R)
• M7: 2,865,398 km (0.089 R)
• M8: 5,089,320 km (0.099 R)
• M9: 6,795,782 km (0.068 R)
• M10: 8,037,146 km (0.095 R)
• M11: 9,867,176 km (0.086 R)
• M12: 10,959,390 km (0.069 R)
• M13: 17,207,345 km (0.107 R)
• M14: 19,407,930 km (0.08 R)
• M15: 20,046,563 km (0.113 R)
• M16: 29,353,795 km (0.092 R)
• M17: 30,513,926 km (0.08 R)
• M18: 31,924,186 km (0.118 R)
• M19: 34,990,792 km (0.068 R)
• M20: 35,697,941 km (0.117 R)
• M21: 37,262,735 km (0.116 R)
• M22: 37,876,685 km (0.104 R)
• M23: 39,124,481 km (0.078 R)
• M24: 43,436,639 km (0.106 R)
• M25: 48,782,220 km (0.115 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 13,388 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit