🌌 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: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.6

Radius: 14.6

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.14 AU - 1.66 AU

Year: 1124 Days

Day: 5.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,667,988 km

• M1: 181,612 km (0.119 R)
• M2: 679,922 km (0.057 R)
• M3: 1,475,185 km (0.104 R)
• M4: 2,028,398 km (0.105 R)
• M5: 2,695,754 km (0.111 R)
• M6: 3,596,782 km (0.118 R)
• M7: 4,424,357 km (0.102 R)
• M8: 5,044,291 km (0.082 R)
• M9: 5,577,607 km (0.111 R)
• M10: 6,039,864 km (0.042 R)
• M11: 6,573,480 km (0.12 R)
• M12: 7,659,411 km (0.052 R)
• M13: 8,694,628 km (0.06 R)
• M14: 9,406,116 km (0.038 R)
• M15: 10,217,834 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.3

Radius: 11.1

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.68 AU - 3.44 AU

Year: 3631 Days

Day: 7.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 94.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,667,988 km

• M1: 138,228 km (0.117 R)
• M2: 484,996 km (0.092 R)
• M3: 1,004,400 km (0.097 R)
• M4: 1,411,905 km (0.116 R)
• M5: 2,802,567 km (0.062 R)
• M6: 3,463,191 km (0.071 R)
• M7: 4,287,774 km (0.094 R)
• M8: 5,262,853 km (0.111 R)
• M9: 5,661,382 km (0.093 R)
• M10: 6,324,549 km (0.11 R)
• M11: 8,903,168 km (0.109 R)
• M12: 9,874,806 km (0.099 R)
• M13: 11,076,077 km (0.036 R)
• M14: 13,079,641 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.8

Radius: 10.4

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.96 AU - 3.38 AU

Year: 3828 Days

Day: 11.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,667,988 km

• M1: 129,402 km (0.088 R)
• M2: 493,523 km (0.112 R)
• M3: 838,047 km (0.09 R)
• M4: 1,297,762 km (0.102 R)
• M5: 1,825,094 km (0.045 R)
• M6: 2,237,835 km (0.034 R)
• M7: 2,725,374 km (0.07 R)
• M8: 3,385,400 km (0.087 R)
• M9: 4,047,520 km (0.094 R)
• M10: 5,483,360 km (0.107 R)
• M11: 7,587,305 km (0.092 R)
• M12: 8,777,057 km (0.088 R)
• M13: 10,434,003 km (0.092 R)
• M14: 10,821,611 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.3

Radius: 9.5

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.58 AU - 4.06 AU

Year: 5064 Days

Day: 14.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,667,988 km

• M1: 118,182 km (0.094 R)
• M2: 767,138 km (0.09 R)
• M3: 1,320,201 km (0.077 R)
• M4: 2,151,068 km (0.095 R)
• M5: 3,376,274 km (0.109 R)
• M6: 4,339,535 km (0.12 R)
• M7: 6,735,495 km (0.106 R)
• M8: 7,296,636 km (0.099 R)
• M9: 8,972,431 km (0.089 R)
• M10: 10,067,937 km (0.113 R)
• M11: 10,846,294 km (0.118 R)
• M12: 11,478,944 km (0.107 R)
• M13: 12,571,457 km (0.056 R)
• M14: 13,628,366 km (0.097 R)
• M15: 14,099,001 km (0.089 R)
• M16: 14,634,561 km (0.051 R)
• M17: 21,036,901 km (0.081 R)
• M18: 22,961,179 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.1

Radius: 10.4

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.89 AU - 4.95 AU

Year: 6303 Days

Day: 9.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,667,988 km

• M1: 129,402 km (0.085 R)
• M2: 477,816 km (0.095 R)
• M3: 1,058,106 km (0.103 R)
• M4: 1,428,959 km (0.118 R)
• M5: 1,947,166 km (0.105 R)
• M6: 2,514,142 km (0.094 R)
• M7: 3,019,483 km (0.088 R)
• M8: 3,854,688 km (0.12 R)
• M9: 4,208,487 km (0.112 R)
• M10: 7,103,505 km (0.034 R)
• M11: 7,559,779 km (0.103 R)
• M12: 8,035,650 km (0.102 R)
• M13: 9,357,945 km (0.079 R)
• M14: 9,860,444 km (0.09 R)
• M15: 10,969,114 km (0.111 R)
• M16: 12,159,165 km (0.113 R)
• M17: 12,757,856 km (0.105 R)
• M18: 15,476,648 km (0.113 R)
• M19: 18,846,190 km (0.091 R)
• M20: 19,500,830 km (0.118 R)
• M21: 21,320,389 km (0.054 R)
• M22: 21,871,807 km (0.077 R)
• M23: 25,735,023 km (0.12 R)
• M24: 28,771,710 km (0.097 R)
• M25: 32,347,996 km (0.069 R)
• M26: 32,971,670 km (0.117 R)
• M27: 35,326,789 km (0.095 R)
• M28: 39,301,455 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.5

Radius: 13.2

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.46 AU - 5.9 AU

Year: 7996 Days

Day: 6.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,667,988 km

• M1: 164,109 km (0.079 R)
• M2: 834,307 km (0.09 R)
• M3: 1,454,690 km (0.074 R)
• M4: 2,723,130 km (0.074 R)
• M5: 3,370,590 km (0.084 R)
• M6: 3,816,990 km (0.049 R)
• M7: 4,858,939 km (0.102 R)
• M8: 6,116,010 km (0.066 R)
• M9: 6,821,214 km (0.113 R)
• M10: 7,501,436 km (0.12 R)
• M11: 8,020,690 km (0.073 R)
• M12: 10,149,019 km (0.067 R)
• M13: 11,189,622 km (0.079 R)
• M14: 13,657,986 km (0.114 R)
• M15: 14,252,339 km (0.112 R)
• M16: 15,113,424 km (0.08 R)
• M17: 16,139,516 km (0.102 R)
• M18: 17,349,015 km (0.043 R)
• M19: 18,402,333 km (0.077 R)
• M20: 22,796,472 km (0.09 R)
• M21: 25,636,737 km (0.085 R)
• M22: 27,656,607 km (0.106 R)
• M23: 28,416,714 km (0.087 R)
• M24: 28,898,718 km (0.109 R)
• M25: 35,007,847 km (0.082 R)
• M26: 37,145,151 km (0.068 R)
• M27: 38,421,670 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841

Radius: 8.1

Gravity: 12.82 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.02 AU - 6.48 AU

Year: 8159 Days

Day: 11.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,667,988 km

• M1: 103,821 km (0.072 R)
• M2: 651,948 km (0.095 R)
• M3: 1,051,075 km (0.104 R)
• M4: 1,357,002 km (0.031 R)
• M5: 2,257,282 km (0.081 R)
• M6: 5,329,125 km (0.081 R)
• M7: 6,720,086 km (0.086 R)
• M8: 7,953,221 km (0.119 R)
• M9: 9,953,494 km (0.105 R)
• M10: 13,791,428 km (0.087 R)
• M11: 19,040,069 km (0.109 R)
• M12: 20,355,483 km (0.055 R)
• M13: 21,648,009 km (0.088 R)
• M14: 22,823,100 km (0.111 R)
• M15: 24,128,641 km (0.041 R)
• M16: 26,602,989 km (0.083 R)
• M17: 27,079,010 km (0.057 R)
• M18: 31,835,773 km (0.1 R)
• M19: 32,588,849 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677.1

Radius: 6.5

Gravity: 16.03 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.8 AU - 9.42 AU

Year: 14239 Days

Day: 20.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,667,988 km

• M1: 80,783 km (0.066 R)
• M2: 387,907 km (0.089 R)
• M3: 672,293 km (0.104 R)
• M4: 1,105,229 km (0.044 R)
• M5: 1,434,195 km (0.062 R)
• M6: 2,452,807 km (0.06 R)
• M7: 3,088,448 km (0.12 R)
• M8: 3,314,640 km (0.067 R)
• M9: 5,082,887 km (0.076 R)
• M10: 5,617,101 km (0.096 R)
• M11: 5,993,489 km (0.099 R)
• M12: 6,755,241 km (0.098 R)
• M13: 8,133,636 km (0.106 R)
• M14: 10,286,948 km (0.072 R)
• M15: 10,566,247 km (0.113 R)
• M16: 10,850,633 km (0.117 R)
• M17: 11,140,254 km (0.086 R)
• M18: 13,379,136 km (0.056 R)
• M19: 17,352,755 km (0.112 R)
• M20: 25,237,161 km (0.115 R)
• M21: 25,951,042 km (0.097 R)
• M22: 27,312,382 km (0.105 R)
• M23: 28,500,788 km (0.118 R)
• M24: 30,404,870 km (0.026 R)
• M25: 31,798,823 km (0.116 R)
• M26: 33,113,638 km (0.064 R)
• M27: 37,406,200 km (0.071 R)
• M28: 38,200,265 km (0.117 R)
• M29: 39,959,386 km (0.054 R)
• M30: 46,769,680 km (0.111 R)
• M31: 57,756,596 km (0.026 R)
• M32: 58,285,275 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.6

Radius: 6.8

Gravity: 17.1 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.76 AU - 8.12 AU

Year: 15175 Days

Day: 17.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,667,988 km

• M1: 84,822 km (0.101 R)
• M2: 356,193 km (0.086 R)
• M3: 607,068 km (0.045 R)
• M4: 1,120,638 km (0.054 R)
• M5: 1,619,547 km (0.03 R)
• M6: 1,874,910 km (0.054 R)
• M7: 2,118,007 km (0.105 R)
• M8: 2,489,309 km (0.086 R)
• M9: 5,247,145 km (0.103 R)
• M10: 6,413,560 km (0.048 R)
• M11: 7,510,112 km (0.05 R)
• M12: 8,274,258 km (0.096 R)
• M13: 9,194,884 km (0.064 R)
• M14: 9,789,984 km (0.06 R)
• M15: 13,428,204 km (0.039 R)
• M16: 17,467,496 km (0.108 R)
• M17: 19,235,444 km (0.109 R)
• M18: 20,568,959 km (0.078 R)
• M19: 22,153,649 km (0.083 R)
• M20: 24,731,969 km (0.107 R)
• M21: 25,145,607 km (0.106 R)
• M22: 29,655,384 km (0.085 R)
• M23: 34,676,188 km (0.1 R)
• M24: 37,183,748 km (0.105 R)
• M25: 44,812,790 km (0.097 R)
• M26: 51,216,327 km (0.112 R)
• M27: 65,998,093 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.5

Radius: 6.5

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 6.62 AU - 10.28 AU

Year: 16660 Days

Day: 21.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,667,988 km

• M1: 80,932 km (0.08 R)
• M2: 316,399 km (0.104 R)
• M3: 1,662,032 km (0.113 R)
• M4: 2,382,496 km (0.112 R)
• M5: 4,783,392 km (0.029 R)
• M6: 5,266,144 km (0.041 R)
• M7: 5,468,251 km (0.095 R)
• M8: 6,404,285 km (0.036 R)
• M9: 7,234,852 km (0.074 R)
• M10: 7,827,260 km (0.05 R)
• M11: 9,849,225 km (0.114 R)
• M12: 10,953,107 km (0.103 R)
• M13: 11,905,298 km (0.099 R)
• M14: 18,883,889 km (0.117 R)
• M15: 19,120,104 km (0.094 R)
• M16: 20,331,697 km (0.111 R)
• M17: 21,938,528 km (0.025 R)
• M18: 23,446,474 km (0.12 R)
• M19: 24,645,352 km (0.076 R)
• M20: 25,117,183 km (0.067 R)
• M21: 27,973,007 km (0.114 R)
• M22: 28,383,204 km (0.092 R)
• M23: 29,637,732 km (0.11 R)
• M24: 32,144,992 km (0.118 R)
• M25: 32,821,623 km (0.082 R)
• M26: 42,231,928 km (0.052 R)
• M27: 44,558,025 km (0.036 R)
• M28: 46,680,071 km (0.087 R)
• M29: 49,613,087 km (0.115 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 15,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit