🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.5

Radius: 13.9

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.44 AU - 0.6 AU

Year: 259 Days

Day: 5.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,928,759 km

• M1: 172,935 km (0.066 R)
• M2: 1,006,046 km (0.087 R)
• M3: 1,689,110 km (0.078 R)
• M4: 2,471,058 km (0.085 R)
• M5: 3,151,878 km (0.069 R)
• M6: 3,748,175 km (0.105 R)
• M7: 4,182,906 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.4

Radius: 10.9

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.52 AU - 0.58 AU

Year: 282 Days

Day: 13.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 77,928,759 km

• M1: 135,536 km (0.085 R)
• M2: 509,830 km (0.112 R)
• M3: 1,022,801 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.2

Radius: 8.7

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.58 AU - 0.82 AU

Year: 404 Days

Day: 12.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,928,759 km

• M1: 109,954 km (0.102 R)
• M2: 388,506 km (0.094 R)
• M3: 723,455 km (0.118 R)
• M4: 995,125 km (0.111 R)
• M5: 1,656,048 km (0.037 R)
• M6: 2,253,692 km (0.068 R)
• M7: 2,545,557 km (0.057 R)
• M8: 2,914,615 km (0.098 R)
• M9: 3,330,497 km (0.109 R)
• M10: 3,798,140 km (0.059 R)
• M11: 5,030,079 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.2

Radius: 8.2

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.89 AU - 0.89 AU

Year: 580 Days

Day: 14.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,928,759 km

• M1: 102,026 km (0.051 R)
• M2: 370,255 km (0.102 R)
• M3: 761,304 km (0.114 R)
• M4: 1,170,753 km (0.082 R)
• M5: 1,664,875 km (0.119 R)
• M6: 2,274,037 km (0.093 R)
• M7: 2,606,294 km (0.12 R)
• M8: 2,918,056 km (0.083 R)
• M9: 3,368,944 km (0.118 R)
• M10: 3,840,177 km (0.104 R)
• M11: 4,550,169 km (0.08 R)
• M12: 5,219,320 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.7

Radius: 8.2

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.35 AU - 1.43 AU

Year: 1131 Days

Day: 11.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,928,759 km

• M1: 102,026 km (0.033 R)
• M2: 366,066 km (0.05 R)
• M3: 634,893 km (0.1 R)
• M4: 1,013,675 km (0.083 R)
• M5: 1,287,439 km (0.078 R)
• M6: 1,595,012 km (0.043 R)
• M7: 2,194,750 km (0.068 R)
• M8: 3,926,196 km (0.112 R)
• M9: 4,333,402 km (0.066 R)
• M10: 4,682,563 km (0.049 R)
• M11: 4,978,916 km (0.088 R)
• M12: 5,494,431 km (0.086 R)
• M13: 5,964,318 km (0.048 R)
• M14: 6,545,954 km (0.085 R)
• M15: 6,939,546 km (0.088 R)
• M16: 7,702,046 km (0.116 R)
• M17: 8,240,599 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.3

Radius: 11.7

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.71 AU - 4.09 AU

Year: 4327 Days

Day: 11.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,928,759 km

• M1: 150,944 km (0.095 R)
• M2: 530,324 km (0.071 R)
• M3: 902,674 km (0.035 R)
• M4: 3,094,282 km (0.1 R)
• M5: 3,910,788 km (0.068 R)
• M6: 4,289,270 km (0.074 R)
• M7: 4,716,821 km (0.051 R)
• M8: 5,331,219 km (0.072 R)
• M9: 5,998,426 km (0.09 R)
• M10: 6,596,219 km (0.094 R)
• M11: 7,005,818 km (0.067 R)
• M12: 8,968,841 km (0.11 R)
• M13: 9,551,674 km (0.118 R)
• M14: 10,368,030 km (0.111 R)
• M15: 12,853,449 km (0.113 R)
• M16: 13,294,912 km (0.114 R)
• M17: 13,899,437 km (0.036 R)
• M18: 17,200,913 km (0.049 R)
• M19: 19,996,897 km (0.075 R)
• M20: 21,881,980 km (0.074 R)
• M21: 22,725,113 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122

Radius: 11.7

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.29 AU - 3.77 AU

Year: 4578 Days

Day: 12.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,928,759 km

• M1: 145,858 km (0.079 R)
• M2: 532,718 km (0.095 R)
• M3: 2,059,065 km (0.1 R)
• M4: 6,551,788 km (0.095 R)
• M5: 7,448,927 km (0.091 R)
• M6: 8,707,045 km (0.086 R)
• M7: 11,449,473 km (0.109 R)
• M8: 12,146,898 km (0.117 R)
• M9: 13,669,356 km (0.038 R)
• M10: 14,189,508 km (0.113 R)
• M11: 15,547,707 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.5

Radius: 4.1

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.74 AU - 6.76 AU

Year: 9517 Days

Day: 16.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 78.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,928,759 km

• M1: 51,462 km (0.076 R)
• M2: 196,123 km (0.034 R)
• M3: 331,808 km (0.114 R)
• M4: 799,451 km (0.107 R)
• M5: 998,566 km (0.106 R)
• M6: 1,295,966 km (0.111 R)
• M7: 2,311,437 km (0.065 R)
• M8: 2,654,465 km (0.077 R)
• M9: 4,220,754 km (0.029 R)
• M10: 4,966,949 km (0.1 R)
• M11: 5,209,447 km (0.118 R)
• M12: 5,588,079 km (0.039 R)
• M13: 5,744,409 km (0.1 R)
• M14: 5,903,880 km (0.093 R)
• M15: 6,203,674 km (0.096 R)
• M16: 6,485,068 km (0.117 R)
• M17: 6,716,196 km (0.047 R)
• M18: 7,411,378 km (0.117 R)
• M19: 8,559,541 km (0.075 R)
• M20: 9,596,703 km (0.107 R)
• M21: 10,476,638 km (0.097 R)
• M22: 11,492,856 km (0.092 R)
• M23: 14,635,160 km (0.112 R)
• M24: 16,642,314 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.9

Radius: 3.2

Gravity: 57.02 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 8.26 AU - 12.12 AU

Year: 22453 Days

Day: 16.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,928,759 km

• M1: 44,431 km (0.059 R)
• M2: 262,843 km (0.113 R)
• M3: 938,876 km (0.096 R)
• M4: 1,677,441 km (0.104 R)
• M5: 1,881,044 km (0.102 R)
• M6: 2,405,384 km (0.093 R)
• M7: 2,640,253 km (0.073 R)
• M8: 2,763,222 km (0.088 R)
• M9: 3,524,526 km (0.089 R)
• M10: 3,858,578 km (0.061 R)
• M11: 6,103,743 km (0.089 R)
• M12: 7,770,562 km (0.094 R)
• M13: 9,036,011 km (0.096 R)
• M14: 10,250,745 km (0.099 R)
• M15: 10,432,806 km (0.087 R)
• M16: 10,555,177 km (0.091 R)
• M17: 11,182,291 km (0.107 R)
• M18: 11,375,123 km (0.062 R)
• M19: 13,140,527 km (0.046 R)
• M20: 13,572,267 km (0.078 R)
• M21: 14,013,581 km (0.11 R)
• M22: 14,312,926 km (0.086 R)
• M23: 15,002,273 km (0.064 R)
• M24: 15,473,955 km (0.05 R)
• M25: 18,423,875 km (0.051 R)
• M26: 21,037,649 km (0.038 R)
• M27: 22,128,517 km (0.063 R)
• M28: 22,432,500 km (0.097 R)
• M29: 26,413,748 km (0.096 R)
• M30: 34,231,134 km (0.099 R)
• M31: 34,773,875 km (0.079 R)
• M32: 37,287,269 km (0.042 R)
• M33: 42,359,834 km (0.084 R)
• M34: 60,690,959 km (0.117 R)
• M35: 61,685,186 km (0.092 R)
• M36: 65,354,523 km (0.053 R)
• M37: 67,454,428 km (0.109 R)
• M38: 68,735,883 km (0.063 R)
• M39: 73,572,981 km (0.19 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 19,870 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit