🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.1

Radius: 11.9

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.74 AU - 0.98 AU

Year: 561 Days

Day: 13.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,016,916 km

• M1: 147,952 km (0.054 R)
• M2: 550,071 km (0.088 R)
• M3: 1,012,478 km (0.091 R)
• M4: 1,543,252 km (0.112 R)
• M5: 1,935,198 km (0.094 R)
• M6: 2,456,696 km (0.119 R)
• M7: 2,845,501 km (0.085 R)
• M8: 3,535,895 km (0.085 R)
• M9: 3,984,090 km (0.112 R)
• M10: 4,951,540 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.8

Radius: 12.7

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.77 AU - 1.23 AU

Year: 703 Days

Day: 14.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,016,916 km

• M1: 157,975 km (0.103 R)
• M2: 554,111 km (0.062 R)
• M3: 1,102,536 km (0.101 R)
• M4: 1,748,500 km (0.097 R)
• M5: 2,290,044 km (0.103 R)
• M6: 2,685,132 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.5

Radius: 8.9

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.86 AU - 2.74 AU

Year: 2452 Days

Day: 6 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,016,916 km

• M1: 110,702 km (0.102 R)
• M2: 404,812 km (0.098 R)
• M3: 702,960 km (0.1 R)
• M4: 1,360,443 km (0.109 R)
• M5: 2,172,311 km (0.113 R)
• M6: 2,562,163 km (0.105 R)
• M7: 2,842,509 km (0.109 R)
• M8: 4,237,060 km (0.066 R)
• M9: 5,118,641 km (0.07 R)
• M10: 6,300,314 km (0.107 R)
• M11: 7,416,464 km (0.032 R)
• M12: 8,052,853 km (0.112 R)
• M13: 8,400,369 km (0.089 R)
• M14: 9,399,384 km (0.073 R)
• M15: 10,217,535 km (0.099 R)
• M16: 10,852,129 km (0.039 R)
• M17: 11,315,733 km (0.068 R)
• M18: 13,924,570 km (0.084 R)
• M19: 16,909,795 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.4

Radius: 14.8

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.96 AU - 3.22 AU

Year: 2930 Days

Day: 8.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,016,916 km

• M1: 184,155 km (0.115 R)
• M2: 681,269 km (0.079 R)
• M3: 1,243,308 km (0.08 R)
• M4: 1,896,153 km (0.118 R)
• M5: 3,068,103 km (0.057 R)
• M6: 5,172,346 km (0.053 R)
• M7: 6,637,807 km (0.118 R)
• M8: 7,738,548 km (0.103 R)
• M9: 9,863,736 km (0.116 R)
• M10: 10,753,394 km (0.102 R)
• M11: 12,021,984 km (0.075 R)
• M12: 14,432,604 km (0.085 R)
• M13: 15,776,591 km (0.103 R)
• M14: 16,838,138 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.8

Radius: 12.9

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.03 AU - 3.25 AU

Year: 3911 Days

Day: 14.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,016,916 km

• M1: 160,519 km (0.107 R)
• M2: 1,201,869 km (0.084 R)
• M3: 2,639,206 km (0.116 R)
• M4: 5,703,568 km (0.109 R)
• M5: 6,540,419 km (0.076 R)
• M6: 7,613,185 km (0.11 R)
• M7: 8,028,319 km (0.067 R)
• M8: 8,662,465 km (0.116 R)
• M9: 11,832,444 km (0.095 R)
• M10: 14,364,388 km (0.118 R)
• M11: 16,539,541 km (0.117 R)
• M12: 17,238,462 km (0.104 R)
• M13: 18,810,436 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.8

Radius: 14.3

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.45 AU - 3.69 AU

Year: 4741 Days

Day: 7.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,016,916 km

• M1: 178,769 km (0.094 R)
• M2: 702,512 km (0.043 R)
• M3: 1,171,501 km (0.089 R)
• M4: 2,099,905 km (0.066 R)
• M5: 3,352,339 km (0.104 R)
• M6: 4,107,808 km (0.1 R)
• M7: 4,866,568 km (0.091 R)
• M8: 5,898,644 km (0.1 R)
• M9: 6,402,340 km (0.06 R)
• M10: 7,317,580 km (0.095 R)
• M11: 8,318,539 km (0.094 R)
• M12: 9,076,252 km (0.101 R)
• M13: 10,456,293 km (0.097 R)
• M14: 11,102,406 km (0.081 R)
• M15: 14,855,517 km (0.091 R)
• M16: 17,978,074 km (0.068 R)
• M17: 19,109,632 km (0.03 R)
• M18: 20,288,314 km (0.058 R)
• M19: 23,720,388 km (0.113 R)
• M20: 25,409,049 km (0.119 R)
• M21: 29,114,738 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.5

Radius: 11.7

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.32 AU - 4 AU

Year: 4922 Days

Day: 13.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,016,916 km

• M1: 145,559 km (0.09 R)
• M2: 758,910 km (0.075 R)
• M3: 1,154,596 km (0.097 R)
• M4: 1,525,898 km (0.098 R)
• M5: 1,978,581 km (0.083 R)
• M6: 2,740,334 km (0.049 R)
• M7: 4,393,540 km (0.101 R)
• M8: 4,791,470 km (0.043 R)
• M9: 5,747,101 km (0.064 R)
• M10: 6,695,851 km (0.119 R)
• M11: 11,604,307 km (0.09 R)
• M12: 12,664,357 km (0.044 R)
• M13: 13,683,119 km (0.072 R)
• M14: 14,320,107 km (0.086 R)
• M15: 15,710,619 km (0.103 R)
• M16: 18,309,882 km (0.098 R)
• M17: 23,508,408 km (0.099 R)
• M18: 27,809,197 km (0.044 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.7

Radius: 11.9

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.14 AU - 5.22 AU

Year: 7117 Days

Day: 8.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,016,916 km

• M1: 147,952 km (0.078 R)
• M2: 711,338 km (0.072 R)
• M3: 1,224,758 km (0.05 R)
• M4: 2,169,169 km (0.046 R)
• M5: 2,917,009 km (0.091 R)
• M6: 3,603,663 km (0.111 R)
• M7: 4,025,529 km (0.063 R)
• M8: 5,951,003 km (0.119 R)
• M9: 6,405,482 km (0.12 R)
• M10: 6,796,979 km (0.099 R)
• M11: 10,686,973 km (0.093 R)
• M12: 16,112,439 km (0.06 R)
• M13: 16,525,329 km (0.05 R)
• M14: 17,480,062 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.9

Radius: 6.5

Gravity: 18.03 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.84 AU - 5.92 AU

Year: 10022 Days

Day: 19.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,016,916 km

• M1: 131,945 km (0.083 R)
• M2: 553,961 km (0.065 R)
• M3: 913,893 km (0.057 R)
• M4: 1,329,925 km (0.086 R)
• M5: 1,754,185 km (0.107 R)
• M6: 2,321,310 km (0.1 R)
• M7: 3,330,946 km (0.083 R)
• M8: 4,368,707 km (0.048 R)
• M9: 7,473,610 km (0.033 R)
• M10: 8,754,767 km (0.053 R)
• M11: 10,073,322 km (0.075 R)
• M12: 16,181,702 km (0.069 R)
• M13: 18,307,937 km (0.114 R)
• M14: 23,464,725 km (0.085 R)
• M15: 24,937,367 km (0.065 R)
• M16: 28,269,210 km (0.099 R)
• M17: 31,335,967 km (0.096 R)
• M18: 31,886,188 km (0.058 R)
• M19: 33,805,379 km (0.111 R)
• M20: 37,748,031 km (0.115 R)
• M21: 39,637,302 km (0.066 R)
• M22: 40,540,275 km (0.114 R)
• M23: 44,982,135 km (0.027 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729

Radius: 7.8

Gravity: 11.98 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.34 AU - 9.42 AU

Year: 18601 Days

Day: 17.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 74,016,916 km

• M1: 125,812 km (0.063 R)
• M2: 771,775 km (0.105 R)
• M3: 1,106,127 km (0.116 R)
• M4: 1,351,766 km (0.12 R)
• M5: 1,617,602 km (0.107 R)
• M6: 1,994,738 km (0.071 R)
• M7: 2,277,927 km (0.107 R)
• M8: 2,541,967 km (0.069 R)
• M9: 2,851,186 km (0.091 R)
• M10: 3,132,430 km (0.075 R)
• M11: 3,517,196 km (0.05 R)
• M12: 4,722,206 km (0.092 R)
• M13: 5,080,643 km (0.116 R)
• M14: 6,743,573 km (0.088 R)
• M15: 8,900,475 km (0.075 R)
• M16: 9,616,899 km (0.059 R)
• M17: 9,902,481 km (0.052 R)
• M18: 10,252,690 km (0.074 R)
• M19: 10,611,127 km (0.108 R)
• M20: 12,395,380 km (0.097 R)
• M21: 14,519,670 km (0.047 R)
• M22: 16,304,373 km (0.069 R)
• M23: 16,793,109 km (0.117 R)
• M24: 17,629,062 km (0.095 R)
• M25: 18,405,026 km (0.069 R)
• M26: 20,491,168 km (0.117 R)
• M27: 21,252,173 km (0.104 R)
• M28: 23,339,811 km (0.108 R)
• M29: 28,617,474 km (0.078 R)
• M30: 32,418,158 km (0.073 R)
• M31: 37,519,744 km (0.116 R)
• M32: 43,441,875 km (0.105 R)
• M33: 48,271,643 km (0.1 R)
• M34: 50,128,601 km (0.074 R)
• M35: 55,069,519 km (0.034 R)
• M36: 55,800,903 km (0.049 R)
• M37: 60,519,220 km (0.11 R)
• M38: 66,111,637 km (0.076 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 12,669 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit