🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.5

Radius: 14.4

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.02 AU - 1.22 AU

Year: 790 Days

Day: 12.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,438,204 km

• M1: 179,069 km (0.079 R)
• M2: 1,787,246 km (0.106 R)
• M3: 2,962,487 km (0.059 R)
• M4: 3,582,121 km (0.073 R)
• M5: 4,604,174 km (0.066 R)
• M6: 5,686,514 km (0.118 R)
• M7: 7,097,821 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.7

Radius: 8

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.51 AU - 1.79 AU

Year: 1413 Days

Day: 10 Hours

Environment

Temp: -185 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,438,204 km

• M1: 99,483 km (0.085 R)
• M2: 385,215 km (0.052 R)
• M3: 971,189 km (0.087 R)
• M4: 1,350,121 km (0.054 R)
• M5: 2,113,070 km (0.091 R)
• M6: 2,909,080 km (0.084 R)
• M7: 3,163,995 km (0.078 R)
• M8: 3,492,512 km (0.079 R)
• M9: 5,272,577 km (0.096 R)
• M10: 5,735,882 km (0.05 R)
• M11: 8,256,606 km (0.037 R)
• M12: 8,770,923 km (0.09 R)
• M13: 9,220,315 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.6

Radius: 10

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.44 AU - 2.1 AU

Year: 1570 Days

Day: 9.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,438,204 km

• M1: 127,158 km (0.075 R)
• M2: 444,754 km (0.069 R)
• M3: 786,286 km (0.111 R)
• M4: 1,623,586 km (0.036 R)
• M5: 2,116,511 km (0.083 R)
• M6: 2,776,836 km (0.071 R)
• M7: 3,486,079 km (0.093 R)
• M8: 3,928,290 km (0.077 R)
• M9: 5,199,723 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.6

Radius: 13.1

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.85 AU - 2.39 AU

Year: 2058 Days

Day: 11.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,438,204 km

• M1: 163,510 km (0.088 R)
• M2: 632,949 km (0.088 R)
• M3: 1,226,254 km (0.066 R)
• M4: 2,292,737 km (0.116 R)
• M5: 3,499,543 km (0.06 R)
• M6: 4,186,646 km (0.111 R)
• M7: 5,339,148 km (0.114 R)
• M8: 6,302,857 km (0.075 R)
• M9: 6,934,908 km (0.111 R)
• M10: 7,464,784 km (0.059 R)
• M11: 8,574,950 km (0.055 R)
• M12: 9,792,078 km (0.075 R)
• M13: 14,357,506 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.6

Radius: 4.2

Gravity: 39.94 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.71 AU - 7.13 AU

Year: 10848 Days

Day: 21.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 72,438,204 km

• M1: 53,107 km (0.116 R)
• M2: 195,225 km (0.093 R)
• M3: 430,543 km (0.074 R)
• M4: 673,190 km (0.095 R)
• M5: 928,554 km (0.094 R)
• M6: 1,125,126 km (0.068 R)
• M7: 1,309,729 km (0.114 R)
• M8: 1,693,298 km (0.119 R)
• M9: 1,869,525 km (0.071 R)
• M10: 2,764,868 km (0.093 R)
• M11: 2,964,431 km (0.105 R)
• M12: 3,417,115 km (0.096 R)
• M13: 4,223,746 km (0.097 R)
• M14: 4,549,122 km (0.104 R)
• M15: 4,922,817 km (0.053 R)
• M16: 5,249,539 km (0.047 R)
• M17: 5,521,209 km (0.12 R)
• M18: 6,469,360 km (0.03 R)
• M19: 7,779,239 km (0.069 R)
• M20: 8,542,338 km (0.09 R)
• M21: 10,268,547 km (0.051 R)
• M22: 10,639,700 km (0.038 R)
• M23: 11,240,934 km (0.087 R)
• M24: 12,812,160 km (0.076 R)
• M25: 12,995,417 km (0.076 R)
• M26: 13,366,869 km (0.081 R)
• M27: 14,857,013 km (0.082 R)
• M28: 14,991,651 km (0.078 R)
• M29: 15,263,172 km (0.119 R)
• M30: 16,816,147 km (0.119 R)
• M31: 17,183,260 km (0.075 R)
• M32: 18,162,677 km (0.106 R)
• M33: 23,258,579 km (0.046 R)
• M34: 28,395,022 km (0.066 R)
• M35: 35,065,591 km (0.114 R)
• M36: 38,507,240 km (0.065 R)
• M37: 40,834,534 km (0.112 R)
• M38: 46,626,216 km (0.083 R)
• M39: 50,776,958 km (0.046 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 662.7

Radius: 4.9

Gravity: 27.6 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 6.17 AU - 8.83 AU

Year: 13697 Days

Day: 23.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,438,204 km

• M1: 62,233 km (0.111 R)
• M2: 337,942 km (0.029 R)
• M3: 500,704 km (0.06 R)
• M4: 799,750 km (0.078 R)
• M5: 1,606,681 km (0.039 R)
• M6: 1,974,841 km (0.104 R)
• M7: 3,579,129 km (0.114 R)
• M8: 3,883,710 km (0.087 R)
• M9: 5,138,836 km (0.087 R)
• M10: 7,494,105 km (0.107 R)
• M11: 9,938,385 km (0.073 R)
• M12: 10,483,968 km (0.104 R)
• M13: 11,049,299 km (0.063 R)
• M14: 12,931,090 km (0.081 R)
• M15: 13,318,399 km (0.089 R)
• M16: 13,981,118 km (0.084 R)
• M17: 14,458,036 km (0.079 R)
• M18: 14,735,241 km (0.081 R)
• M19: 16,324,269 km (0.106 R)
• M20: 16,549,414 km (0.119 R)
• M21: 19,165,133 km (0.092 R)
• M22: 20,353,538 km (0.089 R)
• M23: 21,231,827 km (0.112 R)
• M24: 21,590,114 km (0.036 R)
• M25: 22,503,559 km (0.084 R)
• M26: 24,407,192 km (0.107 R)
• M27: 25,098,035 km (0.078 R)
• M28: 28,640,064 km (0.094 R)
• M29: 29,630,551 km (0.104 R)
• M30: 32,977,205 km (0.094 R)
• M31: 37,732,323 km (0.058 R)
• M32: 45,246,325 km (0.068 R)
• M33: 45,690,780 km (0.116 R)
• M34: 47,803,401 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896

Radius: 5.2

Gravity: 33.14 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 7.12 AU - 8.78 AU

Year: 14948 Days

Day: 19.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,438,204 km

• M1: 65,225 km (0.041 R)
• M2: 244,593 km (0.084 R)
• M3: 444,306 km (0.103 R)
• M4: 953,238 km (0.117 R)
• M5: 1,583,793 km (0.095 R)
• M6: 2,104,393 km (0.052 R)
• M7: 2,975,053 km (0.076 R)
• M8: 4,714,726 km (0.089 R)
• M9: 5,210,045 km (0.047 R)
• M10: 7,972,669 km (0.118 R)
• M11: 10,845,846 km (0.053 R)
• M12: 12,545,128 km (0.065 R)
• M13: 13,148,905 km (0.114 R)
• M14: 14,126,377 km (0.101 R)
• M15: 14,486,908 km (0.062 R)
• M16: 15,301,768 km (0.12 R)
• M17: 20,018,439 km (0.114 R)
• M18: 20,749,374 km (0.039 R)
• M19: 22,459,128 km (0.076 R)
• M20: 23,548,949 km (0.062 R)
• M21: 24,569,805 km (0.084 R)
• M22: 25,196,321 km (0.074 R)
• M23: 27,473,200 km (0.107 R)
• M24: 28,148,036 km (0.068 R)
• M25: 31,322,204 km (0.115 R)
• M26: 34,857,650 km (0.084 R)
• M27: 37,539,790 km (0.075 R)
• M28: 38,510,082 km (0.067 R)
• M29: 40,500,781 km (0.109 R)
• M30: 47,202,018 km (0.083 R)
• M31: 48,169,467 km (0.113 R)
• M32: 49,645,250 km (0.119 R)
• M33: 50,478,062 km (0.109 R)
• M34: 59,511,379 km (0.088 R)
• M35: 60,262,361 km (0.075 R)
• M36: 63,524,193 km (0.044 R)
• M37: 66,297,288 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.2

Radius: 4.9

Gravity: 29.29 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.99 AU - 11.23 AU

Year: 18336 Days

Day: 23.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 72,438,204 km

• M1: 61,036 km (0.057 R)
• M2: 281,543 km (0.08 R)
• M3: 534,214 km (0.052 R)
• M4: 770,279 km (0.079 R)
• M5: 1,112,410 km (0.107 R)
• M6: 1,485,507 km (0.117 R)
• M7: 1,771,987 km (0.085 R)
• M8: 3,551,603 km (0.119 R)
• M9: 5,616,951 km (0.091 R)
• M10: 8,839,439 km (0.064 R)
• M11: 9,217,024 km (0.104 R)
• M12: 10,237,730 km (0.031 R)
• M13: 10,654,360 km (0.103 R)
• M14: 12,501,146 km (0.104 R)
• M15: 17,731,237 km (0.075 R)
• M16: 18,418,490 km (0.104 R)
• M17: 19,034,235 km (0.076 R)
• M18: 19,212,705 km (0.111 R)
• M19: 19,572,787 km (0.04 R)
• M20: 22,123,132 km (0.101 R)
• M21: 23,324,402 km (0.082 R)
• M22: 23,837,523 km (0.113 R)
• M23: 26,963,221 km (0.115 R)
• M24: 27,756,688 km (0.043 R)
• M25: 36,427,680 km (0.061 R)
• M26: 38,099,436 km (0.095 R)
• M27: 39,241,915 km (0.113 R)
• M28: 43,575,017 km (0.113 R)
• M29: 45,616,879 km (0.105 R)
• M30: 48,382,046 km (0.092 R)
• M31: 49,216,054 km (0.118 R)
• M32: 49,384,052 km (0.082 R)
• M33: 54,422,808 km (0.104 R)
• M34: 54,962,706 km (0.037 R)
• M35: 58,466,139 km (0.08 R)
• M36: 65,913,570 km (0.09 R)
• M37: 70,928,838 km (0.087 R)
• M38: 71,143,212 km (0.085 R)
• M39: 72,438,131 km (0.104 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: 543 - 12,712 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit