🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.82 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.5

Radius: 9.1

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.41 AU - 1.87 AU

Year: 1401 Days

Day: 6.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,607,119 km

• M1: 149,897 km (0.097 R)
• M2: 449,841 km (0.054 R)
• M3: 1,205,759 km (0.084 R)
• M4: 1,775,428 km (0.058 R)
• M5: 2,072,978 km (0.11 R)
• M6: 2,514,740 km (0.115 R)
• M7: 3,031,302 km (0.118 R)
• M8: 3,704,492 km (0.112 R)
• M9: 4,243,792 km (0.113 R)
• M10: 4,541,043 km (0.047 R)
• M11: 5,974,041 km (0.09 R)
• M12: 6,285,055 km (0.117 R)
• M13: 6,650,523 km (0.049 R)
• M14: 6,962,135 km (0.107 R)
• M15: 7,377,120 km (0.104 R)
• M16: 8,409,794 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.2

Radius: 8.2

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.31 AU - 2.13 AU

Year: 1504 Days

Day: 5.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,607,119 km

• M1: 102,026 km (0.111 R)
• M2: 388,506 km (0.076 R)
• M3: 668,553 km (0.091 R)
• M4: 941,569 km (0.097 R)
• M5: 1,201,121 km (0.081 R)
• M6: 1,544,000 km (0.072 R)
• M7: 2,099,157 km (0.095 R)
• M8: 2,441,587 km (0.072 R)
• M9: 3,239,243 km (0.076 R)
• M10: 3,698,508 km (0.102 R)
• M11: 4,449,789 km (0.035 R)
• M12: 4,804,186 km (0.114 R)
• M13: 5,762,360 km (0.099 R)
• M14: 6,116,010 km (0.062 R)
• M15: 6,794,137 km (0.119 R)
• M16: 7,469,422 km (0.053 R)
• M17: 7,944,096 km (0.062 R)
• M18: 9,338,348 km (0.114 R)
• M19: 10,756,237 km (0.104 R)
• M20: 11,293,442 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.8

Radius: 11.6

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.55 AU - 2.13 AU

Year: 1664 Days

Day: 10 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,607,119 km

• M1: 144,212 km (0.083 R)
• M2: 624,721 km (0.103 R)
• M3: 1,502,411 km (0.106 R)
• M4: 2,223,772 km (0.055 R)
• M5: 2,940,645 km (0.069 R)
• M6: 4,245,288 km (0.106 R)
• M7: 4,910,101 km (0.075 R)
• M8: 5,537,066 km (0.119 R)
• M9: 6,126,033 km (0.039 R)
• M10: 9,354,355 km (0.098 R)
• M11: 10,064,047 km (0.049 R)
• M12: 11,695,711 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267

Radius: 13.6

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.48 AU - 3.7 AU

Year: 3622 Days

Day: 14.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,607,119 km

• M1: 169,195 km (0.107 R)
• M2: 964,158 km (0.042 R)
• M3: 1,428,660 km (0.113 R)
• M4: 4,724,151 km (0.117 R)
• M5: 5,281,702 km (0.068 R)
• M6: 8,089,654 km (0.1 R)
• M7: 11,653,973 km (0.047 R)
• M8: 13,846,929 km (0.112 R)
• M9: 15,469,916 km (0.102 R)
• M10: 16,857,137 km (0.091 R)
• M11: 17,686,208 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257

Radius: 10

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.73 AU - 3.69 AU

Year: 3835 Days

Day: 14.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,607,119 km

• M1: 124,465 km (0.041 R)
• M2: 575,653 km (0.097 R)
• M3: 1,854,266 km (0.085 R)
• M4: 2,486,466 km (0.102 R)
• M5: 3,410,682 km (0.08 R)
• M6: 3,903,906 km (0.109 R)
• M7: 6,693,906 km (0.066 R)
• M8: 8,302,532 km (0.118 R)
• M9: 8,692,384 km (0.111 R)
• M10: 9,060,545 km (0.1 R)
• M11: 10,487,858 km (0.098 R)
• M12: 11,255,145 km (0.062 R)
• M13: 13,074,704 km (0.067 R)
• M14: 16,717,412 km (0.105 R)
• M15: 17,287,829 km (0.081 R)
• M16: 17,871,111 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.2

Radius: 12.5

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.43 AU - 3.83 AU

Year: 4612 Days

Day: 14.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,607,119 km

• M1: 155,582 km (0.076 R)
• M2: 714,629 km (0.092 R)
• M3: 1,282,503 km (0.089 R)
• M4: 2,342,104 km (0.075 R)
• M5: 3,248,069 km (0.06 R)
• M6: 4,022,986 km (0.106 R)
• M7: 4,466,244 km (0.034 R)
• M8: 5,321,196 km (0.109 R)
• M9: 6,253,341 km (0.049 R)
• M10: 7,518,789 km (0.078 R)
• M11: 8,125,558 km (0.117 R)
• M12: 8,655,882 km (0.098 R)
• M13: 9,059,497 km (0.074 R)
• M14: 9,983,863 km (0.109 R)
• M15: 10,843,452 km (0.106 R)
• M16: 12,523,436 km (0.068 R)
• M17: 14,781,915 km (0.079 R)
• M18: 15,253,747 km (0.09 R)
• M19: 18,119,892 km (0.106 R)
• M20: 19,088,539 km (0.084 R)
• M21: 19,837,426 km (0.114 R)
• M22: 20,735,910 km (0.119 R)
• M23: 21,527,283 km (0.097 R)
• M24: 23,736,545 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.8

Radius: 13.9

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.92 AU - 4.78 AU

Year: 6050 Days

Day: 8.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,607,119 km

• M1: 245,341 km (0.114 R)
• M2: 1,348,026 km (0.033 R)
• M3: 3,060,922 km (0.067 R)
• M4: 3,571,500 km (0.093 R)
• M5: 4,312,308 km (0.094 R)
• M6: 6,766,012 km (0.08 R)
• M7: 7,351,090 km (0.106 R)
• M8: 8,412,786 km (0.053 R)
• M9: 10,676,501 km (0.076 R)
• M10: 11,385,744 km (0.08 R)
• M11: 13,752,083 km (0.088 R)
• M12: 14,794,930 km (0.051 R)
• M13: 17,546,783 km (0.118 R)
• M14: 20,751,618 km (0.108 R)
• M15: 21,202,207 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.2

Radius: 8

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 7.36 AU - 10.42 AU

Year: 17676 Days

Day: 17.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,607,119 km

• M1: 99,483 km (0.075 R)
• M2: 971,489 km (0.034 R)
• M3: 1,383,182 km (0.081 R)
• M4: 1,955,244 km (0.042 R)
• M5: 2,443,083 km (0.083 R)
• M6: 2,818,723 km (0.049 R)
• M7: 5,435,040 km (0.1 R)
• M8: 5,834,915 km (0.071 R)
• M9: 6,883,148 km (0.026 R)
• M10: 8,051,657 km (0.097 R)
• M11: 10,118,950 km (0.07 R)
• M12: 15,797,535 km (0.076 R)
• M13: 21,937,032 km (0.041 R)
• M14: 22,524,951 km (0.062 R)
• M15: 25,808,325 km (0.096 R)
• M16: 32,977,055 km (0.096 R)
• M17: 33,637,530 km (0.095 R)
• M18: 38,875,101 km (0.093 R)
• M19: 43,437,387 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.1

Radius: 3.5

Gravity: 19.44 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 8.61 AU - 10.53 AU

Year: 19742 Days

Day: 19.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 76,607,119 km

• M1: 44,281 km (0.095 R)
• M2: 173,982 km (0.11 R)
• M3: 395,686 km (0.102 R)
• M4: 541,395 km (0.088 R)
• M5: 1,684,173 km (0.118 R)
• M6: 1,862,793 km (0.107 R)
• M7: 2,599,413 km (0.076 R)
• M8: 3,669,337 km (0.042 R)
• M9: 4,466,095 km (0.055 R)
• M10: 5,068,376 km (0.089 R)
• M11: 5,337,502 km (0.094 R)
• M12: 5,580,749 km (0.077 R)
• M13: 7,624,704 km (0.04 R)
• M14: 7,755,902 km (0.086 R)
• M15: 9,005,642 km (0.085 R)
• M16: 9,754,828 km (0.085 R)
• M17: 9,909,513 km (0.089 R)
• M18: 15,418,155 km (0.104 R)
• M19: 17,301,742 km (0.118 R)
• M20: 18,692,104 km (0.066 R)
• M21: 18,850,977 km (0.052 R)
• M22: 21,085,820 km (0.115 R)
• M23: 25,289,071 km (0.051 R)
• M24: 31,453,700 km (0.098 R)
• M25: 36,528,509 km (0.109 R)
• M26: 36,776,991 km (0.076 R)
• M27: 39,324,044 km (0.108 R)
• M28: 42,122,422 km (0.098 R)
• M29: 44,200,636 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.9

Radius: 7.9

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 10.26 AU - 10.48 AU

Year: 22269 Days

Day: 23.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,607,119 km

• M1: 99,782 km (0.042 R)
• M2: 351,405 km (0.058 R)
• M3: 827,276 km (0.108 R)
• M4: 1,251,237 km (0.083 R)
• M5: 1,672,055 km (0.118 R)
• M6: 2,205,521 km (0.119 R)
• M7: 2,466,869 km (0.11 R)
• M8: 3,212,764 km (0.099 R)
• M9: 4,263,390 km (0.107 R)
• M10: 4,849,365 km (0.105 R)
• M11: 6,138,898 km (0.115 R)
• M12: 6,660,097 km (0.052 R)
• M13: 10,010,342 km (0.093 R)
• M14: 10,856,018 km (0.099 R)
• M15: 13,534,419 km (0.085 R)
• M16: 17,040,693 km (0.065 R)
• M17: 19,873,928 km (0.116 R)
• M18: 21,499,757 km (0.036 R)
• M19: 23,212,503 km (0.082 R)
• M20: 23,523,816 km (0.067 R)
• M21: 26,116,497 km (0.082 R)
• M22: 29,984,051 km (0.108 R)
• M23: 33,025,226 km (0.09 R)
• M24: 34,083,032 km (0.064 R)
• M25: 35,027,145 km (0.059 R)
• M26: 37,820,137 km (0.098 R)
• M27: 40,308,099 km (0.093 R)
• M28: 44,961,191 km (0.058 R)
• M29: 48,086,291 km (0.095 R)
• M30: 49,273,200 km (0.045 R)
• M31: 50,132,939 km (0.113 R)
• M32: 57,753,156 km (0.066 R)
• M33: 66,527,071 km (0.059 R)
• M34: 67,366,165 km (0.069 R)
• M35: 68,638,046 km (0.081 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 13,476 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit