🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.7

Radius: 9.7

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.66 AU - 0.66 AU

Year: 370 Days

Day: 10.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,221,089 km

• M1: 121,623 km (0.047 R)
• M2: 442,361 km (0.055 R)
• M3: 799,002 km (0.045 R)
• M4: 1,343,090 km (0.102 R)
• M5: 1,702,873 km (0.094 R)
• M6: 2,051,585 km (0.087 R)
• M7: 2,502,324 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.1

Radius: 14.3

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.76 AU - 0.92 AU

Year: 531 Days

Day: 14.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,221,089 km

• M1: 177,872 km (0.063 R)
• M2: 724,054 km (0.095 R)
• M3: 1,180,178 km (0.074 R)
• M4: 1,747,004 km (0.109 R)
• M5: 2,236,039 km (0.096 R)
• M6: 2,870,185 km (0.11 R)
• M7: 4,053,654 km (0.083 R)
• M8: 5,194,936 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.5

Radius: 8.1

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.12 AU - 2.86 AU

Year: 2712 Days

Day: 8.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,221,089 km

• M1: 101,128 km (0.083 R)
• M2: 429,795 km (0.048 R)
• M3: 988,543 km (0.116 R)
• M4: 1,762,562 km (0.107 R)
• M5: 2,918,206 km (0.07 R)
• M6: 3,402,604 km (0.066 R)
• M7: 4,811,516 km (0.111 R)
• M8: 5,915,100 km (0.1 R)
• M9: 7,637,570 km (0.109 R)
• M10: 8,007,675 km (0.076 R)
• M11: 8,783,938 km (0.095 R)
• M12: 9,102,282 km (0.075 R)
• M13: 10,261,816 km (0.101 R)
• M14: 10,778,377 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.8

Radius: 11.1

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.17 AU - 2.89 AU

Year: 2778 Days

Day: 6.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,221,089 km

• M1: 138,079 km (0.116 R)
• M2: 488,736 km (0.084 R)
• M3: 1,051,823 km (0.113 R)
• M4: 1,464,862 km (0.073 R)
• M5: 2,191,609 km (0.114 R)
• M6: 3,686,540 km (0.089 R)
• M7: 4,185,150 km (0.096 R)
• M8: 5,005,545 km (0.118 R)
• M9: 5,930,060 km (0.064 R)
• M10: 6,531,593 km (0.035 R)
• M11: 7,233,805 km (0.089 R)
• M12: 8,823,432 km (0.078 R)
• M13: 9,942,424 km (0.095 R)
• M14: 12,769,525 km (0.116 R)
• M15: 13,128,709 km (0.036 R)
• M16: 16,093,739 km (0.069 R)
• M17: 16,513,211 km (0.026 R)
• M18: 18,038,810 km (0.094 R)
• M19: 19,126,387 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.1

Radius: 12.7

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.74 AU - 5.76 AU

Year: 8303 Days

Day: 8.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,221,089 km

• M1: 170,691 km (0.039 R)
• M2: 823,686 km (0.052 R)
• M3: 1,592,021 km (0.09 R)
• M4: 2,101,102 km (0.098 R)
• M5: 2,880,507 km (0.055 R)
• M6: 4,076,991 km (0.082 R)
• M7: 4,715,175 km (0.079 R)
• M8: 6,369,279 km (0.049 R)
• M9: 6,771,847 km (0.113 R)
• M10: 7,957,410 km (0.115 R)
• M11: 8,732,626 km (0.112 R)
• M12: 10,839,712 km (0.074 R)
• M13: 15,180,594 km (0.117 R)
• M14: 16,237,502 km (0.092 R)
• M15: 17,626,968 km (0.059 R)
• M16: 18,719,930 km (0.079 R)
• M17: 20,720,801 km (0.081 R)
• M18: 21,364,222 km (0.066 R)
• M19: 22,270,635 km (0.11 R)
• M20: 27,865,595 km (0.092 R)
• M21: 28,354,032 km (0.086 R)
• M22: 32,147,535 km (0.11 R)
• M23: 33,888,106 km (0.094 R)
• M24: 37,437,914 km (0.034 R)
• M25: 42,891,355 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.4

Radius: 7.4

Gravity: 17.06 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.87 AU - 6.55 AU

Year: 10682 Days

Day: 18.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,221,089 km

• M1: 92,152 km (0.041 R)
• M2: 332,257 km (0.06 R)
• M3: 605,572 km (0.096 R)
• M4: 1,362,388 km (0.089 R)
• M5: 2,349,584 km (0.1 R)
• M6: 2,636,513 km (0.093 R)
• M7: 2,923,890 km (0.057 R)
• M8: 3,458,254 km (0.106 R)
• M9: 3,803,376 km (0.084 R)
• M10: 4,055,748 km (0.08 R)
• M11: 6,225,216 km (0.087 R)
• M12: 8,025,477 km (0.097 R)
• M13: 8,584,225 km (0.107 R)
• M14: 9,988,650 km (0.095 R)
• M15: 14,025,100 km (0.085 R)
• M16: 16,400,863 km (0.112 R)
• M17: 16,921,464 km (0.095 R)
• M18: 17,683,964 km (0.067 R)
• M19: 18,073,667 km (0.063 R)
• M20: 18,310,331 km (0.105 R)
• M21: 19,524,467 km (0.079 R)
• M22: 22,473,789 km (0.061 R)
• M23: 23,959,146 km (0.103 R)
• M24: 27,538,724 km (0.069 R)
• M25: 28,273,848 km (0.116 R)
• M26: 34,998,272 km (0.061 R)
• M27: 42,436,727 km (0.059 R)
• M28: 46,154,085 km (0.071 R)
• M29: 48,242,920 km (0.107 R)
• M30: 51,651,657 km (0.041 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 819

Radius: 4.2

Gravity: 46.43 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.67 AU - 9.43 AU

Year: 15765 Days

Day: 18.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,221,089 km

• M1: 54,753 km (0.073 R)
• M2: 298,897 km (0.112 R)
• M3: 447,148 km (0.064 R)
• M4: 663,018 km (0.06 R)
• M5: 836,551 km (0.112 R)
• M6: 1,646,325 km (0.061 R)
• M7: 3,597,081 km (0.087 R)
• M8: 4,592,804 km (0.12 R)
• M9: 4,729,088 km (0.086 R)
• M10: 5,375,799 km (0.052 R)
• M11: 6,161,338 km (0.115 R)
• M12: 6,327,242 km (0.053 R)
• M13: 7,156,014 km (0.113 R)
• M14: 9,846,831 km (0.111 R)
• M15: 12,340,628 km (0.074 R)
• M16: 16,623,016 km (0.106 R)
• M17: 30,161,324 km (0.036 R)
• M18: 33,108,702 km (0.059 R)
• M19: 39,425,920 km (0.108 R)
• M20: 47,945,370 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205.7

Radius: 7.9

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.34 AU - 8.92 AU

Year: 16001 Days

Day: 24.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,221,089 km

• M1: 98,286 km (0.063 R)
• M2: 1,716,037 km (0.098 R)
• M3: 2,371,874 km (0.103 R)
• M4: 3,030,404 km (0.087 R)
• M5: 5,252,830 km (0.05 R)
• M6: 10,389,423 km (0.1 R)
• M7: 11,422,845 km (0.051 R)
• M8: 12,019,740 km (0.07 R)
• M9: 15,385,393 km (0.103 R)
• M10: 21,782,048 km (0.119 R)
• M11: 26,159,432 km (0.088 R)
• M12: 32,251,655 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.1

Radius: 7

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 9.07 AU - 10.63 AU

Year: 21339 Days

Day: 19.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,221,089 km

• M1: 87,365 km (0.064 R)
• M2: 616,044 km (0.081 R)
• M3: 1,037,910 km (0.119 R)
• M4: 1,408,464 km (0.113 R)
• M5: 1,802,654 km (0.103 R)
• M6: 2,059,514 km (0.078 R)
• M7: 2,549,148 km (0.106 R)
• M8: 3,250,014 km (0.06 R)
• M9: 5,808,437 km (0.088 R)
• M10: 8,244,189 km (0.077 R)
• M11: 8,729,933 km (0.119 R)
• M12: 11,181,842 km (0.105 R)
• M13: 12,680,215 km (0.12 R)
• M14: 13,148,755 km (0.049 R)
• M15: 16,137,721 km (0.119 R)
• M16: 17,536,760 km (0.116 R)
• M17: 20,815,048 km (0.115 R)
• M18: 22,897,450 km (0.064 R)
• M19: 25,947,003 km (0.043 R)
• M20: 36,231,108 km (0.116 R)
• M21: 44,504,469 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.1

Radius: 6

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 8.77 AU - 11.85 AU

Year: 22851 Days

Day: 23 Hours

Environment

Temp: -240 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,221,089 km

• M1: 101,577 km (0.082 R)
• M2: 512,373 km (0.097 R)
• M3: 1,346,830 km (0.073 R)
• M4: 2,864,949 km (0.101 R)
• M5: 3,116,124 km (0.096 R)
• M6: 4,239,753 km (0.079 R)
• M7: 9,409,856 km (0.041 R)
• M8: 9,909,812 km (0.08 R)
• M9: 10,310,734 km (0.074 R)
• M10: 13,988,897 km (0.027 R)
• M11: 16,474,615 km (0.108 R)
• M12: 17,529,729 km (0.064 R)
• M13: 18,116,153 km (0.089 R)
• M14: 22,592,869 km (0.033 R)
• M15: 24,614,385 km (0.054 R)
• M16: 26,534,025 km (0.112 R)
• M17: 28,666,243 km (0.044 R)
• M18: 39,184,469 km (0.108 R)
• M19: 41,058,033 km (0.06 R)
• M20: 43,141,483 km (0.096 R)
• M21: 43,444,867 km (0.08 R)
• M22: 53,218,844 km (0.099 R)
• M23: 61,251,053 km (0.058 R)
• M24: 61,634,173 km (0.111 R)
• M25: 66,964,196 km (0.087 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: 184 - 18,463 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit