🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.1

Radius: 10.4

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.52 AU - 0.62 AU

Year: 302 Days

Day: 7.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,944,186 km

• M1: 130,449 km (0.099 R)
• M2: 514,018 km (0.084 R)
• M3: 879,635 km (0.078 R)
• M4: 1,442,123 km (0.12 R)
• M5: 2,037,972 km (0.064 R)
• M6: 2,500,977 km (0.039 R)
• M7: 2,848,044 km (0.094 R)
• M8: 3,290,256 km (0.115 R)
• M9: 3,731,719 km (0.07 R)
• M10: 4,313,655 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.8

Radius: 12.8

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1 AU - 1.12 AU

Year: 767 Days

Day: 10.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,944,186 km

• M1: 166,203 km (0.09 R)
• M2: 600,037 km (0.11 R)
• M3: 1,462,170 km (0.111 R)
• M4: 2,017,776 km (0.111 R)
• M5: 2,429,469 km (0.034 R)
• M6: 3,006,020 km (0.105 R)
• M7: 3,480,245 km (0.081 R)
• M8: 4,548,523 km (0.109 R)
• M9: 6,650,822 km (0.109 R)
• M10: 7,951,725 km (0.066 R)
• M11: 8,388,102 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.7

Radius: 10.1

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.79 AU - 2.39 AU

Year: 2124 Days

Day: 8.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,944,186 km

• M1: 125,961 km (0.071 R)
• M2: 553,213 km (0.106 R)
• M3: 1,307,485 km (0.097 R)
• M4: 1,623,286 km (0.084 R)
• M5: 2,361,103 km (0.095 R)
• M6: 3,563,870 km (0.071 R)
• M7: 5,157,686 km (0.067 R)
• M8: 5,741,267 km (0.063 R)
• M9: 7,582,518 km (0.077 R)
• M10: 8,977,368 km (0.112 R)
• M11: 9,787,740 km (0.109 R)
• M12: 10,756,835 km (0.12 R)
• M13: 12,106,806 km (0.082 R)
• M14: 12,760,100 km (0.077 R)
• M15: 14,092,867 km (0.103 R)
• M16: 14,541,960 km (0.078 R)
• M17: 15,850,343 km (0.054 R)
• M18: 16,385,156 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.9

Radius: 13.5

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.72 AU - 2.56 AU

Year: 2201 Days

Day: 11 Hours

Environment

Temp: -199 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,944,186 km

• M1: 176,525 km (0.102 R)
• M2: 617,091 km (0.102 R)
• M3: 1,295,069 km (0.061 R)
• M4: 2,349,135 km (0.104 R)
• M5: 3,469,324 km (0.034 R)
• M6: 4,674,784 km (0.091 R)
• M7: 5,581,347 km (0.027 R)
• M8: 6,222,224 km (0.12 R)
• M9: 6,969,017 km (0.074 R)
• M10: 7,560,078 km (0.116 R)
• M11: 8,088,607 km (0.039 R)
• M12: 8,742,051 km (0.106 R)
• M13: 11,430,474 km (0.102 R)
• M14: 12,509,075 km (0.108 R)
• M15: 14,020,462 km (0.071 R)
• M16: 14,916,404 km (0.112 R)
• M17: 15,551,147 km (0.066 R)
• M18: 16,614,639 km (0.034 R)
• M19: 18,661,586 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445

Radius: 14.4

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.46 AU - 4.78 AU

Year: 5878 Days

Day: 7.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,944,186 km

• M1: 185,950 km (0.108 R)
• M2: 781,200 km (0.115 R)
• M3: 1,287,140 km (0.076 R)
• M4: 1,767,798 km (0.09 R)
• M5: 2,263,416 km (0.11 R)
• M6: 3,543,674 km (0.1 R)
• M7: 5,373,256 km (0.048 R)
• M8: 6,095,066 km (0.095 R)
• M9: 6,880,754 km (0.118 R)
• M10: 7,522,379 km (0.108 R)
• M11: 8,427,297 km (0.055 R)
• M12: 10,454,049 km (0.091 R)
• M13: 12,247,278 km (0.101 R)
• M14: 17,523,745 km (0.064 R)
• M15: 19,909,233 km (0.083 R)
• M16: 20,865,911 km (0.076 R)
• M17: 22,358,150 km (0.105 R)
• M18: 25,954,483 km (0.083 R)
• M19: 28,271,305 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.2

Radius: 12.2

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.35 AU - 4.91 AU

Year: 5900 Days

Day: 5 Hours

Environment

Temp: -230 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,944,186 km

• M1: 151,842 km (0.057 R)
• M2: 561,740 km (0.116 R)
• M3: 1,056,011 km (0.089 R)
• M4: 1,442,123 km (0.056 R)
• M5: 2,025,256 km (0.097 R)
• M6: 2,671,968 km (0.093 R)
• M7: 3,223,984 km (0.049 R)
• M8: 3,648,094 km (0.11 R)
• M9: 4,430,491 km (0.094 R)
• M10: 5,292,773 km (0.096 R)
• M11: 6,894,517 km (0.106 R)
• M12: 8,478,908 km (0.081 R)
• M13: 11,173,315 km (0.037 R)
• M14: 11,655,918 km (0.098 R)
• M15: 12,406,002 km (0.11 R)
• M16: 12,871,251 km (0.106 R)
• M17: 14,850,132 km (0.111 R)
• M18: 15,612,333 km (0.085 R)
• M19: 16,094,188 km (0.094 R)
• M20: 17,794,218 km (0.094 R)
• M21: 18,721,426 km (0.111 R)
• M22: 19,541,521 km (0.069 R)
• M23: 21,548,376 km (0.06 R)
• M24: 31,052,180 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.5

Radius: 11

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.18 AU - 4.24 AU

Year: 6072 Days

Day: 8.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,944,186 km

• M1: 138,677 km (0.056 R)
• M2: 951,891 km (0.059 R)
• M3: 1,683,126 km (0.098 R)
• M4: 2,728,964 km (0.11 R)
• M5: 5,367,123 km (0.12 R)
• M6: 7,084,656 km (0.045 R)
• M7: 11,761,833 km (0.098 R)
• M8: 12,189,982 km (0.097 R)
• M9: 14,666,575 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.7

Radius: 13.8

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.72 AU - 4.98 AU

Year: 6377 Days

Day: 6 Hours

Environment

Temp: -217 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,944,186 km

• M1: 171,738 km (0.094 R)
• M2: 997,070 km (0.117 R)
• M3: 1,829,582 km (0.098 R)
• M4: 3,685,942 km (0.12 R)
• M5: 4,814,957 km (0.06 R)
• M6: 5,978,081 km (0.116 R)
• M7: 6,807,900 km (0.086 R)
• M8: 7,640,861 km (0.1 R)
• M9: 8,816,251 km (0.104 R)
• M10: 10,240,423 km (0.101 R)
• M11: 13,701,370 km (0.115 R)
• M12: 14,689,613 km (0.1 R)
• M13: 16,381,266 km (0.079 R)
• M14: 17,117,886 km (0.105 R)
• M15: 19,940,499 km (0.062 R)
• M16: 21,426,155 km (0.039 R)
• M17: 22,681,880 km (0.101 R)
• M18: 26,076,854 km (0.079 R)
• M19: 26,659,837 km (0.112 R)
• M20: 28,902,009 km (0.06 R)
• M21: 30,251,382 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.6

Radius: 3.3

Gravity: 54.42 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.96 AU - 7.26 AU

Year: 10616 Days

Day: 18.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,944,186 km

• M1: 41,139 km (0.072 R)
• M2: 262,245 km (0.114 R)
• M3: 420,968 km (0.03 R)
• M4: 791,971 km (0.1 R)
• M5: 1,199,326 km (0.115 R)
• M6: 2,112,172 km (0.091 R)
• M7: 3,172,372 km (0.092 R)
• M8: 4,971,586 km (0.112 R)
• M9: 5,195,085 km (0.11 R)
• M10: 5,526,145 km (0.093 R)
• M11: 5,906,274 km (0.073 R)
• M12: 6,414,906 km (0.108 R)
• M13: 7,151,227 km (0.116 R)
• M14: 7,560,527 km (0.072 R)
• M15: 7,770,861 km (0.049 R)
• M16: 9,022,098 km (0.069 R)
• M17: 9,306,783 km (0.116 R)
• M18: 12,373,689 km (0.111 R)
• M19: 14,069,829 km (0.06 R)
• M20: 14,646,230 km (0.071 R)
• M21: 16,260,092 km (0.112 R)
• M22: 18,138,143 km (0.118 R)
• M23: 18,591,126 km (0.08 R)
• M24: 19,995,551 km (0.036 R)
• M25: 22,577,161 km (0.1 R)
• M26: 23,455,151 km (0.096 R)
• M27: 24,999,450 km (0.114 R)
• M28: 27,589,288 km (0.113 R)
• M29: 28,999,996 km (0.101 R)
• M30: 31,205,218 km (0.113 R)
• M31: 32,735,754 km (0.117 R)
• M32: 38,116,341 km (0.07 R)
• M33: 39,484,862 km (0.094 R)
• M34: 42,982,311 km (0.05 R)
• M35: 45,563,622 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.3

Radius: 6.7

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 9.04 AU - 10.54 AU

Year: 21532 Days

Day: 21.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,944,186 km

• M1: 83,326 km (0.044 R)
• M2: 349,760 km (0.109 R)
• M3: 750,383 km (0.069 R)
• M4: 1,312,422 km (0.087 R)
• M5: 2,498,584 km (0.116 R)
• M6: 3,305,215 km (0.084 R)
• M7: 3,550,406 km (0.042 R)
• M8: 3,887,301 km (0.059 R)
• M9: 5,453,291 km (0.117 R)
• M10: 7,153,621 km (0.113 R)
• M11: 7,777,145 km (0.11 R)
• M12: 8,481,451 km (0.072 R)
• M13: 15,379,110 km (0.12 R)
• M14: 16,415,374 km (0.061 R)
• M15: 17,058,944 km (0.116 R)
• M16: 19,643,098 km (0.089 R)
• M17: 19,882,903 km (0.112 R)
• M18: 20,286,967 km (0.075 R)
• M19: 21,616,892 km (0.11 R)
• M20: 23,181,237 km (0.12 R)
• M21: 25,194,077 km (0.109 R)
• M22: 25,858,142 km (0.054 R)
• M23: 31,053,227 km (0.045 R)
• M24: 31,706,820 km (0.116 R)
• M25: 32,816,238 km (0.077 R)
• M26: 34,528,685 km (0.068 R)
• M27: 37,268,869 km (0.099 R)
• M28: 41,711,327 km (0.105 R)
• M29: 48,360,204 km (0.054 R)
• M30: 48,944,235 km (0.109 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 17,758 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit