🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.7

Radius: 11.1

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.77 AU - 1.25 AU

Year: 645 Days

Day: 14.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,230,417 km

• M1: 138,079 km (0.098 R)
• M2: 559,197 km (0.087 R)
• M3: 1,139,487 km (0.08 R)
• M4: 1,565,392 km (0.087 R)
• M5: 2,015,831 km (0.101 R)
• M6: 2,604,649 km (0.111 R)
• M7: 3,151,728 km (0.106 R)
• M8: 3,785,574 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.5

Radius: 12.9

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.97 AU - 1.47 AU

Year: 857 Days

Day: 10.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,230,417 km

• M1: 161,117 km (0.111 R)
• M2: 1,026,690 km (0.037 R)
• M3: 2,045,003 km (0.077 R)
• M4: 2,748,113 km (0.105 R)
• M5: 3,157,413 km (0.091 R)
• M6: 3,578,231 km (0.102 R)
• M7: 4,036,899 km (0.096 R)
• M8: 4,465,945 km (0.098 R)
• M9: 4,962,311 km (0.074 R)
• M10: 5,475,731 km (0.048 R)
• M11: 5,940,831 km (0.088 R)
• M12: 6,699,591 km (0.108 R)
• M13: 8,123,912 km (0.067 R)
• M14: 8,730,831 km (0.084 R)
• M15: 10,035,624 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.1

Radius: 9.3

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.54 AU - 2.26 AU

Year: 1665 Days

Day: 13.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 84,230,417 km

• M1: 145,858 km (0.037 R)
• M2: 991,385 km (0.096 R)
• M3: 4,038,095 km (0.097 R)
• M4: 4,410,145 km (0.105 R)
• M5: 5,279,608 km (0.12 R)
• M6: 9,136,989 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.8

Radius: 12.4

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.92 AU - 2.96 AU

Year: 2423 Days

Day: 11.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,230,417 km

• M1: 156,629 km (0.112 R)
• M2: 682,615 km (0.119 R)
• M3: 1,277,267 km (0.105 R)
• M4: 1,704,967 km (0.095 R)
• M5: 2,476,742 km (0.116 R)
• M6: 3,123,005 km (0.068 R)
• M7: 3,521,235 km (0.085 R)
• M8: 4,202,653 km (0.109 R)
• M9: 4,627,361 km (0.119 R)
• M10: 5,587,780 km (0.109 R)
• M11: 6,463,974 km (0.118 R)
• M12: 6,893,919 km (0.026 R)
• M13: 8,394,385 km (0.084 R)
• M14: 8,939,969 km (0.06 R)
• M15: 9,577,704 km (0.047 R)
• M16: 10,317,616 km (0.099 R)
• M17: 11,871,937 km (0.118 R)
• M18: 14,465,665 km (0.12 R)
• M19: 15,017,233 km (0.074 R)
• M20: 16,016,247 km (0.081 R)
• M21: 16,457,711 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.1

Radius: 9.3

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.44 AU - 4.56 AU

Year: 5087 Days

Day: 7.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,230,417 km

• M1: 115,639 km (0.093 R)
• M2: 781,200 km (0.066 R)
• M3: 1,164,619 km (0.107 R)
• M4: 2,084,497 km (0.107 R)
• M5: 2,465,223 km (0.099 R)
• M6: 2,891,876 km (0.076 R)
• M7: 4,623,173 km (0.12 R)
• M8: 5,139,734 km (0.117 R)
• M9: 5,552,175 km (0.066 R)
• M10: 7,290,353 km (0.118 R)
• M11: 8,851,407 km (0.072 R)
• M12: 9,980,721 km (0.12 R)
• M13: 11,158,056 km (0.081 R)
• M14: 11,663,398 km (0.119 R)
• M15: 14,208,357 km (0.117 R)
• M16: 14,638,600 km (0.079 R)
• M17: 15,525,267 km (0.051 R)
• M18: 17,898,188 km (0.117 R)
• M19: 19,630,382 km (0.106 R)
• M20: 21,191,735 km (0.066 R)
• M21: 25,969,742 km (0.103 R)
• M22: 27,185,374 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.7

Radius: 10.7

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.24 AU - 5.2 AU

Year: 5512 Days

Day: 7.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 178.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,230,417 km

• M1: 160,818 km (0.066 R)
• M2: 520,451 km (0.078 R)
• M3: 948,151 km (0.094 R)
• M4: 1,751,043 km (0.1 R)
• M5: 2,649,378 km (0.114 R)
• M6: 3,074,087 km (0.099 R)
• M7: 3,674,423 km (0.076 R)
• M8: 4,061,732 km (0.103 R)
• M9: 4,629,157 km (0.069 R)
• M10: 5,081,989 km (0.118 R)
• M11: 5,593,614 km (0.053 R)
• M12: 7,408,087 km (0.038 R)
• M13: 11,052,440 km (0.106 R)
• M14: 13,498,515 km (0.104 R)
• M15: 14,933,308 km (0.093 R)
• M16: 19,915,217 km (0.098 R)
• M17: 22,364,283 km (0.086 R)
• M18: 24,447,134 km (0.115 R)
• M19: 26,404,473 km (0.097 R)
• M20: 28,995,209 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.5

Radius: 3.7

Gravity: 55.26 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 7.38 AU - 8.26 AU

Year: 13904 Days

Day: 21.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 84,230,417 km

• M1: 47,423 km (0.06 R)
• M2: 318,045 km (0.074 R)
• M3: 748,588 km (0.073 R)
• M4: 953,088 km (0.11 R)
• M5: 1,155,195 km (0.072 R)
• M6: 1,273,527 km (0.081 R)
• M7: 1,519,316 km (0.107 R)
• M8: 1,830,629 km (0.109 R)
• M9: 2,085,993 km (0.068 R)
• M10: 3,430,279 km (0.099 R)
• M11: 4,234,817 km (0.104 R)
• M12: 4,359,282 km (0.1 R)
• M13: 4,847,719 km (0.053 R)
• M14: 5,371,760 km (0.115 R)
• M15: 5,666,169 km (0.093 R)
• M16: 5,817,412 km (0.111 R)
• M17: 6,367,933 km (0.096 R)
• M18: 7,125,795 km (0.026 R)
• M19: 9,650,110 km (0.045 R)
• M20: 15,321,365 km (0.093 R)
• M21: 16,289,712 km (0.108 R)
• M22: 16,442,302 km (0.118 R)
• M23: 18,347,580 km (0.111 R)
• M24: 20,483,539 km (0.098 R)
• M25: 21,019,847 km (0.097 R)
• M26: 25,754,321 km (0.098 R)
• M27: 27,657,804 km (0.094 R)
• M28: 34,051,767 km (0.086 R)
• M29: 37,390,193 km (0.107 R)
• M30: 39,274,976 km (0.074 R)
• M31: 40,101,804 km (0.07 R)
• M32: 42,507,337 km (0.043 R)
• M33: 46,064,625 km (0.107 R)
• M34: 46,983,904 km (0.112 R)
• M35: 52,259,772 km (0.106 R)
• M36: 53,764,278 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.8

Radius: 6.3

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.23 AU - 11.65 AU

Year: 18441 Days

Day: 19.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 84,230,417 km

• M1: 80,932 km (0.087 R)
• M2: 307,274 km (0.055 R)
• M3: 539,151 km (0.038 R)
• M4: 841,488 km (0.105 R)
• M5: 1,253,630 km (0.112 R)
• M6: 1,470,098 km (0.117 R)
• M7: 1,944,623 km (0.079 R)
• M8: 2,796,583 km (0.093 R)
• M9: 4,872,552 km (0.072 R)
• M10: 5,519,264 km (0.05 R)
• M11: 6,416,103 km (0.032 R)
• M12: 7,192,217 km (0.097 R)
• M13: 9,127,116 km (0.092 R)
• M14: 10,000,618 km (0.11 R)
• M15: 11,326,803 km (0.117 R)
• M16: 12,334,494 km (0.064 R)
• M17: 14,189,208 km (0.089 R)
• M18: 15,786,465 km (0.115 R)
• M19: 16,516,951 km (0.113 R)
• M20: 17,577,151 km (0.11 R)
• M21: 18,361,792 km (0.12 R)
• M22: 18,601,598 km (0.097 R)
• M23: 24,423,199 km (0.033 R)
• M24: 25,300,740 km (0.079 R)
• M25: 30,561,947 km (0.114 R)
• M26: 32,973,615 km (0.077 R)
• M27: 52,048,091 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.2

Radius: 6.7

Gravity: 13.1 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.17 AU - 10.43 AU

Year: 19506 Days

Day: 18.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 96.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 84,230,417 km

• M1: 83,326 km (0.119 R)
• M2: 379,829 km (0.094 R)
• M3: 760,256 km (0.109 R)
• M4: 1,180,028 km (0.116 R)
• M5: 1,390,512 km (0.115 R)
• M6: 1,798,166 km (0.113 R)
• M7: 2,346,443 km (0.118 R)
• M8: 2,730,311 km (0.108 R)
• M9: 3,397,816 km (0.096 R)
• M10: 3,740,545 km (0.115 R)
• M11: 5,160,977 km (0.111 R)
• M12: 5,498,470 km (0.044 R)
• M13: 6,557,024 km (0.118 R)
• M14: 6,775,288 km (0.105 R)
• M15: 7,459,099 km (0.084 R)
• M16: 8,038,642 km (0.108 R)
• M17: 8,804,732 km (0.066 R)
• M18: 10,363,392 km (0.11 R)
• M19: 10,719,884 km (0.117 R)
• M20: 15,275,588 km (0.1 R)
• M21: 18,794,130 km (0.057 R)
• M22: 19,146,583 km (0.104 R)
• M23: 19,955,758 km (0.084 R)
• M24: 20,322,572 km (0.118 R)
• M25: 21,069,813 km (0.092 R)
• M26: 23,421,342 km (0.052 R)
• M27: 25,510,177 km (0.094 R)
• M28: 28,638,568 km (0.074 R)
• M29: 31,888,731 km (0.075 R)
• M30: 33,537,898 km (0.072 R)
• M31: 35,779,323 km (0.118 R)
• M32: 46,864,974 km (0.116 R)
• M33: 49,326,607 km (0.068 R)
• M34: 51,014,819 km (0.097 R)
• M35: 54,863,822 km (0.078 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 905.8

Radius: 5.6

Gravity: 28.88 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 9.59 AU - 10.51 AU

Year: 20257 Days

Day: 17.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 84,230,417 km

• M1: 89,759 km (0.042 R)
• M2: 401,670 km (0.112 R)
• M3: 684,111 km (0.107 R)
• M4: 953,686 km (0.103 R)
• M5: 1,671,607 km (0.068 R)
• M6: 1,957,039 km (0.111 R)
• M7: 2,341,955 km (0.106 R)
• M8: 2,776,088 km (0.117 R)
• M9: 3,348,449 km (0.061 R)
• M10: 4,507,833 km (0.094 R)
• M11: 4,985,499 km (0.049 R)
• M12: 6,304,952 km (0.082 R)
• M13: 7,945,143 km (0.101 R)
• M14: 13,029,675 km (0.108 R)
• M15: 14,148,368 km (0.095 R)
• M16: 17,797,659 km (0.077 R)
• M17: 18,799,216 km (0.084 R)
• M18: 21,214,175 km (0.096 R)
• M19: 30,832,570 km (0.09 R)
• M20: 33,623,617 km (0.101 R)
• M21: 36,578,475 km (0.081 R)
• M22: 38,044,534 km (0.092 R)
• M23: 41,406,746 km (0.064 R)
• M24: 42,837,649 km (0.079 R)
• M25: 50,848,167 km (0.08 R)
• M26: 54,162,807 km (0.065 R)
• M27: 59,400,378 km (0.108 R)
• M28: 65,178,147 km (0.117 R)
• M29: 67,764,993 km (0.119 R)
• M30: 78,074,830 km (0.115 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: 311 - 11,440 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit