🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.6

Radius: 11

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.04 AU - 1.74 AU

Year: 1131 Days

Day: 8.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,793,390 km

• M1: 136,732 km (0.113 R)
• M2: 537,505 km (0.084 R)
• M3: 1,530,386 km (0.065 R)
• M4: 1,958,685 km (0.049 R)
• M5: 2,573,831 km (0.105 R)
• M6: 3,214,110 km (0.077 R)
• M7: 4,173,332 km (0.116 R)
• M8: 4,775,164 km (0.101 R)
• M9: 5,155,741 km (0.101 R)
• M10: 5,870,819 km (0.094 R)
• M11: 6,219,083 km (0.106 R)
• M12: 6,933,562 km (0.078 R)
• M13: 7,548,858 km (0.096 R)
• M14: 7,909,090 km (0.109 R)
• M15: 9,855,807 km (0.106 R)
• M16: 10,286,798 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302

Radius: 14.7

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.47 AU - 3.61 AU

Year: 3659 Days

Day: 11.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,793,390 km

• M1: 182,958 km (0.083 R)
• M2: 652,396 km (0.096 R)
• M3: 1,551,928 km (0.061 R)
• M4: 2,101,401 km (0.116 R)
• M5: 3,307,908 km (0.112 R)
• M6: 6,909,028 km (0.118 R)
• M7: 8,262,590 km (0.091 R)
• M8: 8,884,767 km (0.102 R)
• M9: 9,363,032 km (0.111 R)
• M10: 11,292,545 km (0.11 R)
• M11: 12,184,148 km (0.092 R)
• M12: 15,727,972 km (0.078 R)
• M13: 17,310,269 km (0.086 R)
• M14: 18,386,027 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.6

Radius: 9.1

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.61 AU - 3.97 AU

Year: 4119 Days

Day: 5 Hours

Environment

Temp: -208 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,793,390 km

• M1: 115,938 km (0.1 R)
• M2: 518,506 km (0.027 R)
• M3: 1,102,686 km (0.111 R)
• M4: 1,958,984 km (0.089 R)
• M5: 2,970,415 km (0.064 R)
• M6: 3,651,983 km (0.105 R)
• M7: 4,296,600 km (0.117 R)
• M8: 4,840,538 km (0.056 R)
• M9: 5,429,804 km (0.117 R)
• M10: 6,094,767 km (0.11 R)
• M11: 7,064,759 km (0.062 R)
• M12: 9,618,395 km (0.085 R)
• M13: 14,206,711 km (0.101 R)
• M14: 15,305,209 km (0.075 R)
• M15: 16,856,538 km (0.118 R)
• M16: 18,086,831 km (0.039 R)
• M17: 19,628,437 km (0.119 R)
• M18: 21,055,751 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.9

Radius: 8.9

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.97 AU - 4.91 AU

Year: 5398 Days

Day: 14.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,793,390 km

• M1: 112,348 km (0.064 R)
• M2: 453,431 km (0.114 R)
• M3: 805,734 km (0.064 R)
• M4: 1,646,325 km (0.116 R)
• M5: 2,301,264 km (0.058 R)
• M6: 3,080,669 km (0.114 R)
• M7: 3,574,641 km (0.088 R)
• M8: 3,886,702 km (0.102 R)
• M9: 6,543,710 km (0.088 R)
• M10: 7,046,957 km (0.111 R)
• M11: 9,573,665 km (0.117 R)
• M12: 14,804,056 km (0.071 R)
• M13: 15,968,077 km (0.049 R)
• M14: 18,742,070 km (0.026 R)
• M15: 22,944,873 km (0.093 R)
• M16: 25,223,996 km (0.109 R)
• M17: 27,050,736 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.2

Radius: 11

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.53 AU - 5.03 AU

Year: 6112 Days

Day: 5 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,793,390 km

• M1: 136,732 km (0.118 R)
• M2: 552,166 km (0.06 R)
• M3: 920,326 km (0.106 R)
• M4: 1,459,178 km (0.083 R)
• M5: 2,616,616 km (0.114 R)
• M6: 3,735,160 km (0.066 R)
• M7: 4,752,276 km (0.117 R)
• M8: 5,284,246 km (0.05 R)
• M9: 6,004,859 km (0.108 R)
• M10: 6,373,468 km (0.081 R)
• M11: 6,789,799 km (0.108 R)
• M12: 7,224,380 km (0.071 R)
• M13: 9,272,076 km (0.075 R)
• M14: 10,233,542 km (0.092 R)
• M15: 12,452,976 km (0.115 R)
• M16: 13,259,158 km (0.115 R)
• M17: 14,533,433 km (0.095 R)
• M18: 15,598,720 km (0.053 R)
• M19: 17,884,425 km (0.054 R)
• M20: 19,107,238 km (0.103 R)
• M21: 19,638,460 km (0.116 R)
• M22: 24,715,812 km (0.088 R)
• M23: 27,555,479 km (0.108 R)
• M24: 29,184,749 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.5

Radius: 4.9

Gravity: 29.18 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.41 AU - 6.63 AU

Year: 10195 Days

Day: 22.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,793,390 km

• M1: 61,485 km (0.08 R)
• M2: 292,613 km (0.057 R)
• M3: 574,157 km (0.031 R)
• M4: 842,834 km (0.065 R)
• M5: 1,897,799 km (0.097 R)
• M6: 2,678,849 km (0.096 R)
• M7: 5,704,167 km (0.103 R)
• M8: 7,797,191 km (0.099 R)
• M9: 9,593,711 km (0.066 R)
• M10: 10,880,253 km (0.083 R)
• M11: 12,868,708 km (0.115 R)
• M12: 15,696,108 km (0.073 R)
• M13: 21,255,464 km (0.108 R)
• M14: 24,702,797 km (0.09 R)
• M15: 27,695,503 km (0.102 R)
• M16: 31,137,301 km (0.091 R)
• M17: 32,568,055 km (0.057 R)
• M18: 35,797,274 km (0.073 R)
• M19: 37,000,341 km (0.069 R)
• M20: 40,641,553 km (0.084 R)
• M21: 43,558,113 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918

Radius: 7.2

Gravity: 17.71 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.54 AU - 7.9 AU

Year: 14806 Days

Day: 22.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,793,390 km

• M1: 93,349 km (0.117 R)
• M2: 335,099 km (0.113 R)
• M3: 1,226,403 km (0.053 R)
• M4: 2,132,069 km (0.113 R)
• M5: 3,534,250 km (0.082 R)
• M6: 4,002,042 km (0.071 R)
• M7: 4,347,165 km (0.086 R)
• M8: 10,647,180 km (0.1 R)
• M9: 10,945,478 km (0.09 R)
• M10: 11,621,211 km (0.079 R)
• M11: 13,260,056 km (0.108 R)
• M12: 15,805,165 km (0.099 R)
• M13: 18,917,997 km (0.069 R)
• M14: 24,215,707 km (0.12 R)
• M15: 30,543,846 km (0.087 R)
• M16: 32,876,077 km (0.093 R)
• M17: 37,753,566 km (0.094 R)
• M18: 42,045,978 km (0.12 R)
• M19: 47,291,178 km (0.105 R)
• M20: 49,077,377 km (0.102 R)
• M21: 49,737,851 km (0.084 R)
• M22: 55,951,548 km (0.079 R)
• M23: 59,992,636 km (0.101 R)
• M24: 64,618,351 km (0.107 R)
• M25: 67,830,816 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.3

Radius: 6.3

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.68 AU - 10.24 AU

Year: 18513 Days

Day: 16.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,793,390 km

• M1: 79,885 km (0.095 R)
• M2: 355,744 km (0.118 R)
• M3: 2,755,742 km (0.095 R)
• M4: 3,438,507 km (0.118 R)
• M5: 4,731,033 km (0.074 R)
• M6: 6,037,321 km (0.09 R)
• M7: 6,707,071 km (0.101 R)
• M8: 7,284,668 km (0.042 R)
• M9: 10,322,253 km (0.115 R)
• M10: 13,050,918 km (0.119 R)
• M11: 15,115,668 km (0.093 R)
• M12: 16,285,374 km (0.119 R)
• M13: 22,007,193 km (0.077 R)
• M14: 22,899,096 km (0.098 R)
• M15: 27,382,095 km (0.113 R)
• M16: 27,637,459 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199.6

Radius: 6.7

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 8.58 AU - 11.54 AU

Year: 22025 Days

Day: 16.7 Hours

Environment

Temp: -245 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,793,390 km

• M1: 83,326 km (0.101 R)
• M2: 342,579 km (0.092 R)
• M3: 745,446 km (0.118 R)
• M4: 1,188,256 km (0.11 R)
• M5: 1,794,277 km (0.097 R)
• M6: 2,568,446 km (0.033 R)
• M7: 3,007,366 km (0.045 R)
• M8: 3,343,512 km (0.069 R)
• M9: 3,922,157 km (0.102 R)
• M10: 7,722,840 km (0.098 R)
• M11: 9,166,310 km (0.064 R)
• M12: 10,030,088 km (0.058 R)
• M13: 10,726,317 km (0.064 R)
• M14: 13,196,178 km (0.076 R)
• M15: 14,562,754 km (0.072 R)
• M16: 14,969,960 km (0.083 R)
• M17: 17,574,608 km (0.043 R)
• M18: 18,113,909 km (0.072 R)
• M19: 20,130,488 km (0.075 R)
• M20: 21,063,380 km (0.11 R)
• M21: 21,322,783 km (0.12 R)
• M22: 23,198,441 km (0.053 R)
• M23: 29,373,542 km (0.083 R)
• M24: 30,905,125 km (0.052 R)
• M25: 33,535,953 km (0.044 R)
• M26: 34,245,945 km (0.094 R)
• M27: 34,484,852 km (0.083 R)
• M28: 38,977,576 km (0.084 R)
• M29: 44,409,923 km (0.042 R)
• M30: 52,991,755 km (0.107 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 15,417 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit