🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.2

Radius: 11.3

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.2 AU - 1.32 AU

Year: 913 Days

Day: 12.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 73,228,898 km

• M1: 141,220 km (0.034 R)
• M2: 716,873 km (0.095 R)
• M3: 1,086,380 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.2

Radius: 13.2

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.6 AU - 2.54 AU

Year: 1923 Days

Day: 9.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,228,898 km

• M1: 164,258 km (0.069 R)
• M2: 624,721 km (0.112 R)
• M3: 1,271,731 km (0.03 R)
• M4: 1,696,889 km (0.075 R)
• M5: 2,229,158 km (0.091 R)
• M6: 2,700,690 km (0.086 R)
• M7: 3,321,522 km (0.111 R)
• M8: 3,832,847 km (0.111 R)
• M9: 4,923,864 km (0.049 R)
• M10: 5,896,550 km (0.09 R)
• M11: 7,347,649 km (0.117 R)
• M12: 9,080,591 km (0.041 R)
• M13: 9,589,523 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.4

Radius: 15

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.23 AU - 2.61 AU

Year: 2431 Days

Day: 6.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,228,898 km

• M1: 188,045 km (0.053 R)
• M2: 805,585 km (0.084 R)
• M3: 1,334,563 km (0.119 R)
• M4: 2,015,682 km (0.051 R)
• M5: 2,559,919 km (0.094 R)
• M6: 3,357,724 km (0.103 R)
• M7: 4,011,317 km (0.112 R)
• M8: 6,893,470 km (0.1 R)
• M9: 7,828,756 km (0.098 R)
• M10: 8,744,893 km (0.113 R)
• M11: 12,393,735 km (0.062 R)
• M12: 12,873,196 km (0.115 R)
• M13: 13,455,880 km (0.065 R)
• M14: 14,291,683 km (0.083 R)
• M15: 17,330,165 km (0.117 R)
• M16: 18,320,054 km (0.12 R)
• M17: 18,828,986 km (0.068 R)
• M18: 19,639,508 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.1

Radius: 8.8

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.15 AU - 2.83 AU

Year: 2537 Days

Day: 11.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,228,898 km

• M1: 109,506 km (0.077 R)
• M2: 452,982 km (0.057 R)
• M3: 788,381 km (0.107 R)
• M4: 1,150,408 km (0.077 R)
• M5: 1,677,441 km (0.103 R)
• M6: 2,233,047 km (0.079 R)
• M7: 3,022,475 km (0.106 R)
• M8: 4,130,846 km (0.086 R)
• M9: 4,562,137 km (0.047 R)
• M10: 5,489,793 km (0.101 R)
• M11: 7,246,222 km (0.102 R)
• M12: 8,268,873 km (0.077 R)
• M13: 12,521,043 km (0.083 R)
• M14: 13,013,369 km (0.112 R)
• M15: 17,872,458 km (0.119 R)
• M16: 18,496,730 km (0.073 R)
• M17: 20,212,019 km (0.048 R)
• M18: 20,579,730 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.2

Radius: 9.9

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.27 AU - 3.33 AU

Year: 3025 Days

Day: 6.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,228,898 km

• M1: 123,418 km (0.093 R)
• M2: 435,479 km (0.03 R)
• M3: 777,610 km (0.096 R)
• M4: 1,177,634 km (0.11 R)
• M5: 2,258,030 km (0.085 R)
• M6: 3,710,027 km (0.055 R)
• M7: 8,625,364 km (0.102 R)
• M8: 10,985,271 km (0.068 R)
• M9: 11,667,288 km (0.041 R)
• M10: 14,490,349 km (0.082 R)
• M11: 18,232,839 km (0.109 R)
• M12: 19,017,629 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.4

Radius: 8.1

Gravity: 14.41 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.35 AU - 3.55 AU

Year: 3272 Days

Day: 9.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,228,898 km

• M1: 100,829 km (0.104 R)
• M2: 519,254 km (0.072 R)
• M3: 1,007,691 km (0.094 R)
• M4: 1,668,016 km (0.113 R)
• M5: 2,250,550 km (0.098 R)
• M6: 2,671,070 km (0.067 R)
• M7: 2,926,882 km (0.089 R)
• M8: 3,900,764 km (0.03 R)
• M9: 4,231,226 km (0.077 R)
• M10: 5,524,799 km (0.109 R)
• M11: 9,403,273 km (0.111 R)
• M12: 10,286,050 km (0.098 R)
• M13: 11,048,700 km (0.11 R)
• M14: 13,217,121 km (0.118 R)
• M15: 13,562,693 km (0.07 R)
• M16: 13,964,961 km (0.09 R)
• M17: 14,427,069 km (0.07 R)
• M18: 15,985,729 km (0.053 R)
• M19: 17,892,354 km (0.054 R)
• M20: 20,269,913 km (0.118 R)
• M21: 20,531,859 km (0.066 R)
• M22: 20,929,041 km (0.079 R)
• M23: 22,220,520 km (0.119 R)
• M24: 22,779,866 km (0.112 R)
• M25: 23,853,979 km (0.099 R)
• M26: 24,588,504 km (0.105 R)
• M27: 25,187,046 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.8

Radius: 12.8

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.87 AU - 3.09 AU

Year: 3322 Days

Day: 9.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,228,898 km

• M1: 159,172 km (0.08 R)
• M2: 652,995 km (0.09 R)
• M3: 1,071,570 km (0.115 R)
• M4: 1,522,607 km (0.106 R)
• M5: 2,115,763 km (0.113 R)
• M6: 4,087,762 km (0.065 R)
• M7: 4,894,244 km (0.063 R)
• M8: 5,943,075 km (0.108 R)
• M9: 8,955,826 km (0.083 R)
• M10: 9,369,165 km (0.12 R)
• M11: 10,356,661 km (0.107 R)
• M12: 11,943,744 km (0.098 R)
• M13: 12,725,094 km (0.081 R)
• M14: 15,327,798 km (0.067 R)
• M15: 15,811,747 km (0.076 R)
• M16: 16,867,310 km (0.112 R)
• M17: 18,447,362 km (0.115 R)
• M18: 19,742,880 km (0.104 R)
• M19: 20,639,719 km (0.058 R)
• M20: 24,137,766 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684

Radius: 11.6

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.93 AU - 4.15 AU

Year: 5243 Days

Day: 7 Hours

Environment

Temp: -217 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,228,898 km

• M1: 145,110 km (0.114 R)
• M2: 516,561 km (0.108 R)
• M3: 1,041,500 km (0.102 R)
• M4: 1,590,973 km (0.119 R)
• M5: 2,609,585 km (0.047 R)
• M6: 4,354,944 km (0.088 R)
• M7: 4,839,342 km (0.109 R)
• M8: 5,766,549 km (0.026 R)
• M9: 6,162,983 km (0.041 R)
• M10: 8,083,671 km (0.102 R)
• M11: 11,289,104 km (0.065 R)
• M12: 12,206,588 km (0.097 R)
• M13: 12,760,250 km (0.052 R)
• M14: 13,225,499 km (0.068 R)
• M15: 15,960,597 km (0.097 R)
• M16: 16,622,867 km (0.092 R)
• M17: 17,366,069 km (0.049 R)
• M18: 21,856,399 km (0.113 R)
• M19: 22,225,307 km (0.103 R)
• M20: 29,417,524 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264.7

Radius: 5

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.26 AU - 8.3 AU

Year: 12683 Days

Day: 21.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,228,898 km

• M1: 62,233 km (0.058 R)
• M2: 229,483 km (0.102 R)
• M3: 788,381 km (0.113 R)
• M4: 1,143,077 km (0.109 R)
• M5: 1,611,618 km (0.074 R)
• M6: 2,579,366 km (0.115 R)
• M7: 2,918,654 km (0.098 R)
• M8: 3,809,061 km (0.108 R)
• M9: 4,248,879 km (0.095 R)
• M10: 4,808,973 km (0.091 R)
• M11: 6,493,744 km (0.109 R)
• M12: 6,932,066 km (0.084 R)
• M13: 8,928,749 km (0.103 R)
• M14: 11,022,222 km (0.117 R)
• M15: 12,291,859 km (0.107 R)
• M16: 12,735,865 km (0.066 R)
• M17: 14,313,375 km (0.094 R)
• M18: 16,280,138 km (0.108 R)
• M19: 21,608,365 km (0.113 R)
• M20: 24,531,358 km (0.108 R)
• M21: 24,793,454 km (0.1 R)
• M22: 25,145,906 km (0.113 R)
• M23: 28,086,851 km (0.085 R)
• M24: 29,738,860 km (0.064 R)
• M25: 40,176,004 km (0.12 R)
• M26: 40,662,347 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.8

Radius: 6.9

Gravity: 18 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 7.6 AU - 10.02 AU

Year: 16884 Days

Day: 18.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,228,898 km

• M1: 86,168 km (0.099 R)
• M2: 322,982 km (0.104 R)
• M3: 628,161 km (0.082 R)
• M4: 1,022,950 km (0.087 R)
• M5: 1,726,060 km (0.093 R)
• M6: 2,643,245 km (0.059 R)
• M7: 2,860,311 km (0.101 R)
• M8: 3,413,823 km (0.092 R)
• M9: 3,671,880 km (0.111 R)
• M10: 4,766,936 km (0.113 R)
• M11: 5,427,860 km (0.117 R)
• M12: 6,795,483 km (0.076 R)
• M13: 7,345,405 km (0.096 R)
• M14: 9,338,797 km (0.032 R)
• M15: 10,018,420 km (0.11 R)
• M16: 10,252,092 km (0.089 R)
• M17: 12,455,220 km (0.083 R)
• M18: 15,338,120 km (0.099 R)
• M19: 18,028,787 km (0.112 R)
• M20: 18,462,322 km (0.101 R)
• M21: 21,402,219 km (0.096 R)
• M22: 22,480,970 km (0.05 R)
• M23: 23,287,901 km (0.033 R)
• M24: 23,595,324 km (0.098 R)
• M25: 25,389,601 km (0.051 R)
• M26: 27,272,739 km (0.074 R)
• M27: 29,247,132 km (0.112 R)
• M28: 35,875,065 km (0.115 R)
• M29: 41,456,263 km (0.104 R)
• M30: 43,904,133 km (0.088 R)
• M31: 45,962,749 km (0.11 R)
• M32: 62,995,065 km (0.087 R)
• M33: 68,297,262 km (0.096 R)
• M34: 72,137,290 km (0.096 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 13,644 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit