🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.5

Radius: 11

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.64 AU - 0.66 AU

Year: 355 Days

Day: 10.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,277,900 km

• M1: 136,732 km (0.084 R)
• M2: 546,481 km (0.109 R)
• M3: 971,339 km (0.114 R)
• M4: 1,440,478 km (0.074 R)
• M5: 1,788,592 km (0.096 R)
• M6: 2,208,364 km (0.117 R)
• M7: 2,812,739 km (0.103 R)
• M8: 3,414,721 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.3

Radius: 11.3

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.72 AU - 0.82 AU

Year: 458 Days

Day: 12.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,277,900 km

• M1: 140,622 km (0.073 R)
• M2: 572,960 km (0.038 R)
• M3: 1,083,388 km (0.087 R)
• M4: 1,482,964 km (0.111 R)
• M5: 1,939,836 km (0.048 R)
• M6: 2,632,923 km (0.033 R)
• M7: 3,178,057 km (0.083 R)
• M8: 3,573,744 km (0.033 R)
• M9: 4,287,774 km (0.076 R)
• M10: 5,028,882 km (0.115 R)
• M11: 6,222,673 km (0.07 R)
• M12: 6,607,588 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.2

Radius: 13.6

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.7 AU - 0.9 AU

Year: 485 Days

Day: 5 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,277,900 km

• M1: 169,195 km (0.1 R)
• M2: 608,564 km (0.088 R)
• M3: 1,176,138 km (0.098 R)
• M4: 1,667,119 km (0.107 R)
• M5: 2,296,028 km (0.094 R)
• M6: 2,954,857 km (0.038 R)
• M7: 3,441,200 km (0.116 R)
• M8: 4,022,836 km (0.094 R)
• M9: 4,654,289 km (0.036 R)
• M10: 6,172,408 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.5

Radius: 13.9

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.79 AU - 0.85 AU

Year: 504 Days

Day: 9.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,277,900 km

• M1: 172,935 km (0.097 R)
• M2: 629,059 km (0.118 R)
• M3: 1,101,938 km (0.115 R)
• M4: 1,636,900 km (0.067 R)
• M5: 2,085,694 km (0.089 R)
• M6: 2,724,177 km (0.051 R)
• M7: 3,634,331 km (0.054 R)
• M8: 4,248,879 km (0.088 R)
• M9: 4,754,669 km (0.097 R)
• M10: 5,509,390 km (0.033 R)
• M11: 6,150,567 km (0.072 R)
• M12: 6,739,384 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.2

Radius: 9.8

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.8 AU - 0.96 AU

Year: 560 Days

Day: 11.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,277,900 km

• M1: 122,072 km (0.094 R)
• M2: 449,093 km (0.043 R)
• M3: 1,352,963 km (0.038 R)
• M4: 1,899,594 km (0.085 R)
• M5: 2,771,001 km (0.118 R)
• M6: 3,152,476 km (0.084 R)
• M7: 3,544,273 km (0.082 R)
• M8: 3,849,452 km (0.07 R)
• M9: 4,542,390 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.8

Radius: 13.8

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.13 AU - 1.25 AU

Year: 880 Days

Day: 9.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,277,900 km

• M1: 172,038 km (0.087 R)
• M2: 619,934 km (0.045 R)
• M3: 1,094,009 km (0.116 R)
• M4: 1,563,597 km (0.09 R)
• M5: 2,507,560 km (0.119 R)
• M6: 3,390,037 km (0.095 R)
• M7: 4,769,928 km (0.046 R)
• M8: 5,234,280 km (0.085 R)
• M9: 5,873,212 km (0.111 R)
• M10: 6,342,052 km (0.111 R)
• M11: 7,331,642 km (0.105 R)
• M12: 7,775,499 km (0.117 R)
• M13: 8,936,678 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537

Radius: 14.4

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.97 AU - 5.57 AU

Year: 7066 Days

Day: 9.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,277,900 km

• M1: 362,775 km (0.035 R)
• M2: 1,139,936 km (0.04 R)
• M3: 2,078,064 km (0.102 R)
• M4: 2,726,720 km (0.118 R)
• M5: 4,282,987 km (0.087 R)
• M6: 4,943,761 km (0.113 R)
• M7: 5,764,006 km (0.108 R)
• M8: 6,985,173 km (0.107 R)
• M9: 7,980,598 km (0.039 R)
• M10: 11,588,749 km (0.065 R)
• M11: 12,092,893 km (0.067 R)
• M12: 15,613,231 km (0.095 R)
• M13: 18,173,598 km (0.037 R)
• M14: 22,289,484 km (0.1 R)
• M15: 29,060,134 km (0.076 R)
• M16: 30,849,026 km (0.039 R)
• M17: 31,526,255 km (0.052 R)
• M18: 32,910,484 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.5

Radius: 3.1

Gravity: 76.85 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.97 AU - 7.65 AU

Year: 12053 Days

Day: 22.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,277,900 km

• M1: 41,439 km (0.081 R)
• M2: 175,478 km (0.082 R)
• M3: 887,115 km (0.088 R)
• M4: 1,109,268 km (0.105 R)
• M5: 1,220,868 km (0.109 R)
• M6: 1,326,335 km (0.078 R)
• M7: 1,913,058 km (0.119 R)
• M8: 2,092,725 km (0.089 R)
• M9: 3,545,619 km (0.062 R)
• M10: 4,014,459 km (0.09 R)
• M11: 4,159,868 km (0.098 R)
• M12: 5,347,974 km (0.109 R)
• M13: 6,867,589 km (0.088 R)
• M14: 7,461,194 km (0.093 R)
• M15: 7,592,690 km (0.107 R)
• M16: 8,461,704 km (0.078 R)
• M17: 9,497,071 km (0.102 R)
• M18: 10,125,083 km (0.112 R)
• M19: 11,004,868 km (0.08 R)
• M20: 11,118,413 km (0.106 R)
• M21: 11,463,386 km (0.107 R)
• M22: 12,418,269 km (0.086 R)
• M23: 12,915,083 km (0.073 R)
• M24: 15,174,759 km (0.05 R)
• M25: 16,769,473 km (0.091 R)
• M26: 20,629,098 km (0.109 R)
• M27: 24,074,337 km (0.083 R)
• M28: 26,234,380 km (0.09 R)
• M29: 28,734,310 km (0.071 R)
• M30: 31,047,991 km (0.086 R)
• M31: 37,561,183 km (0.068 R)
• M32: 41,682,455 km (0.114 R)
• M33: 44,208,564 km (0.103 R)
• M34: 45,217,752 km (0.108 R)
• M35: 50,183,204 km (0.073 R)
• M36: 53,851,045 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.6

Radius: 5.1

Gravity: 13.44 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.38 AU - 8.52 AU

Year: 13792 Days

Day: 15.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,277,900 km

• M1: 63,429 km (0.099 R)
• M2: 254,017 km (0.074 R)
• M3: 414,835 km (0.119 R)
• M4: 678,576 km (0.092 R)
• M5: 1,115,103 km (0.093 R)
• M6: 1,751,342 km (0.041 R)
• M7: 2,503,371 km (0.064 R)
• M8: 3,142,602 km (0.034 R)
• M9: 3,451,073 km (0.089 R)
• M10: 3,727,680 km (0.075 R)
• M11: 4,101,076 km (0.112 R)
• M12: 5,404,223 km (0.095 R)
• M13: 5,847,182 km (0.083 R)
• M14: 6,425,079 km (0.119 R)
• M15: 7,610,193 km (0.111 R)
• M16: 8,210,230 km (0.032 R)
• M17: 8,933,985 km (0.106 R)
• M18: 11,858,922 km (0.085 R)
• M19: 12,028,417 km (0.073 R)
• M20: 13,020,251 km (0.108 R)
• M21: 16,460,852 km (0.049 R)
• M22: 18,502,265 km (0.068 R)
• M23: 20,788,120 km (0.058 R)
• M24: 24,513,855 km (0.1 R)
• M25: 24,789,265 km (0.115 R)
• M26: 27,263,314 km (0.106 R)
• M27: 28,864,760 km (0.038 R)
• M28: 33,029,265 km (0.034 R)
• M29: 33,703,652 km (0.074 R)
• M30: 34,732,138 km (0.087 R)
• M31: 36,851,790 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.9

Radius: 6.6

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 7.07 AU - 10.67 AU

Year: 17917 Days

Day: 24.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,277,900 km

• M1: 88,263 km (0.099 R)
• M2: 536,458 km (0.118 R)
• M3: 792,420 km (0.114 R)
• M4: 1,022,801 km (0.045 R)
• M5: 1,284,896 km (0.095 R)
• M6: 2,019,870 km (0.097 R)
• M7: 2,353,175 km (0.084 R)
• M8: 3,155,169 km (0.118 R)
• M9: 3,549,808 km (0.03 R)
• M10: 6,354,469 km (0.102 R)
• M11: 8,076,789 km (0.059 R)
• M12: 8,564,029 km (0.056 R)
• M13: 9,226,748 km (0.049 R)
• M14: 9,705,162 km (0.095 R)
• M15: 10,088,581 km (0.079 R)
• M16: 11,239,886 km (0.105 R)
• M17: 11,785,470 km (0.059 R)
• M18: 15,143,344 km (0.083 R)
• M19: 17,759,661 km (0.101 R)
• M20: 18,250,641 km (0.106 R)
• M21: 19,778,035 km (0.063 R)
• M22: 22,509,992 km (0.093 R)
• M23: 23,278,775 km (0.072 R)
• M24: 24,464,787 km (0.086 R)
• M25: 26,003,251 km (0.108 R)
• M26: 30,187,205 km (0.046 R)
• M27: 31,121,892 km (0.052 R)
• M28: 34,418,730 km (0.045 R)
• M29: 36,609,890 km (0.101 R)
• M30: 37,672,484 km (0.115 R)
• M31: 42,273,366 km (0.104 R)
• M32: 50,586,819 km (0.11 R)
• M33: 51,242,806 km (0.119 R)
• M34: 61,215,299 km (0.11 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 14,302 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit