🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.7

Radius: 10.7

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.55 AU - 0.85 AU

Year: 378 Days

Day: 13.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,989,574 km

• M1: 133,292 km (0.102 R)
• M2: 487,839 km (0.111 R)
• M3: 916,137 km (0.096 R)
• M4: 1,253,181 km (0.082 R)
• M5: 1,597,256 km (0.115 R)
• M6: 2,080,308 km (0.082 R)
• M7: 2,436,201 km (0.106 R)
• M8: 3,091,889 km (0.103 R)
• M9: 3,900,316 km (0.106 R)
• M10: 4,533,115 km (0.026 R)
• M11: 5,153,497 km (0.106 R)
• M12: 5,525,846 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.7

Radius: 8.3

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.64 AU - 0.76 AU

Year: 378 Days

Day: 11.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,989,574 km

• M1: 103,223 km (0.109 R)
• M2: 430,842 km (0.104 R)
• M3: 749,785 km (0.092 R)
• M4: 1,124,677 km (0.102 R)
• M5: 1,507,947 km (0.103 R)
• M6: 1,778,569 km (0.075 R)
• M7: 2,224,520 km (0.117 R)
• M8: 2,502,473 km (0.114 R)
• M9: 3,032,050 km (0.084 R)
• M10: 3,363,708 km (0.08 R)
• M11: 4,259,949 km (0.077 R)
• M12: 4,677,177 km (0.101 R)
• M13: 5,030,378 km (0.054 R)
• M14: 5,291,277 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.9

Radius: 12

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.49 AU - 1.55 AU

Year: 1210 Days

Day: 11.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,989,574 km

• M1: 149,448 km (0.106 R)
• M2: 644,916 km (0.11 R)
• M3: 1,367,025 km (0.057 R)
• M4: 2,199,986 km (0.105 R)
• M5: 2,706,824 km (0.078 R)
• M6: 3,499,244 km (0.084 R)
• M7: 4,324,575 km (0.074 R)
• M8: 5,408,113 km (0.051 R)
• M9: 7,093,333 km (0.058 R)
• M10: 8,727,989 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.1

Radius: 11

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.52 AU - 2.34 AU

Year: 1731 Days

Day: 7.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,989,574 km

• M1: 136,882 km (0.039 R)
• M2: 495,468 km (0.095 R)
• M3: 870,660 km (0.107 R)
• M4: 1,462,469 km (0.072 R)
• M5: 2,385,637 km (0.114 R)
• M6: 2,885,893 km (0.115 R)
• M7: 3,591,546 km (0.026 R)
• M8: 4,212,676 km (0.116 R)
• M9: 5,121,633 km (0.074 R)
• M10: 6,131,568 km (0.067 R)
• M11: 7,410,181 km (0.085 R)
• M12: 7,933,025 km (0.088 R)
• M13: 8,418,321 km (0.106 R)
• M14: 9,448,302 km (0.03 R)
• M15: 11,298,529 km (0.076 R)
• M16: 12,836,544 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.7

Radius: 13.2

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.83 AU - 2.97 AU

Year: 3189 Days

Day: 7.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,989,574 km

• M1: 164,258 km (0.073 R)
• M2: 579,692 km (0.085 R)
• M3: 990,188 km (0.075 R)
• M4: 1,911,262 km (0.086 R)
• M5: 2,433,808 km (0.064 R)
• M6: 2,952,164 km (0.098 R)
• M7: 4,008,774 km (0.059 R)
• M8: 4,492,274 km (0.11 R)
• M9: 5,377,146 km (0.062 R)
• M10: 5,967,309 km (0.12 R)
• M11: 6,628,831 km (0.075 R)
• M12: 7,431,125 km (0.093 R)
• M13: 8,431,037 km (0.046 R)
• M14: 10,423,381 km (0.034 R)
• M15: 11,138,908 km (0.087 R)
• M16: 11,802,225 km (0.069 R)
• M17: 13,576,156 km (0.065 R)
• M18: 15,420,399 km (0.111 R)
• M19: 16,140,114 km (0.068 R)
• M20: 17,813,965 km (0.027 R)
• M21: 18,606,684 km (0.08 R)
• M22: 19,719,991 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.1

Radius: 9.9

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.37 AU - 3.97 AU

Year: 4540 Days

Day: 10.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,989,574 km

• M1: 123,717 km (0.091 R)
• M2: 480,658 km (0.117 R)
• M3: 992,432 km (0.075 R)
• M4: 1,999,824 km (0.12 R)
• M5: 2,485,569 km (0.072 R)
• M6: 2,872,878 km (0.118 R)
• M7: 3,807,715 km (0.079 R)
• M8: 4,221,802 km (0.085 R)
• M9: 5,524,350 km (0.044 R)
• M10: 5,849,726 km (0.093 R)
• M11: 7,552,299 km (0.085 R)
• M12: 8,533,960 km (0.112 R)
• M13: 10,368,329 km (0.074 R)
• M14: 11,458,299 km (0.107 R)
• M15: 12,838,788 km (0.026 R)
• M16: 14,233,789 km (0.082 R)
• M17: 14,609,728 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.8

Radius: 9

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.87 AU - 4.89 AU

Year: 6961 Days

Day: 5.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,989,574 km

• M1: 112,198 km (0.096 R)
• M2: 430,094 km (0.083 R)
• M3: 803,789 km (0.1 R)
• M4: 1,383,780 km (0.092 R)
• M5: 1,910,664 km (0.088 R)
• M6: 2,432,611 km (0.032 R)
• M7: 4,001,893 km (0.093 R)
• M8: 4,339,236 km (0.102 R)
• M9: 8,984,549 km (0.072 R)
• M10: 10,842,255 km (0.096 R)
• M11: 11,839,774 km (0.12 R)
• M12: 12,671,987 km (0.053 R)
• M13: 14,847,738 km (0.109 R)
• M14: 15,250,007 km (0.067 R)
• M15: 17,650,155 km (0.074 R)
• M16: 18,273,081 km (0.119 R)
• M17: 18,852,024 km (0.078 R)
• M18: 19,562,914 km (0.051 R)
• M19: 20,600,375 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 925.6

Radius: 5.5

Gravity: 30.6 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.53 AU - 7.11 AU

Year: 11500 Days

Day: 16.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 41,989,574 km

• M1: 69,413 km (0.06 R)
• M2: 315,352 km (0.086 R)
• M3: 512,522 km (0.092 R)
• M4: 730,187 km (0.099 R)
• M5: 933,341 km (0.036 R)
• M6: 1,211,892 km (0.12 R)
• M7: 1,413,251 km (0.053 R)
• M8: 1,700,629 km (0.064 R)
• M9: 2,118,605 km (0.109 R)
• M10: 2,559,320 km (0.032 R)
• M11: 3,758,796 km (0.117 R)
• M12: 4,496,912 km (0.119 R)
• M13: 5,292,324 km (0.085 R)
• M14: 6,373,916 km (0.059 R)
• M15: 6,614,769 km (0.115 R)
• M16: 8,237,457 km (0.025 R)
• M17: 10,658,699 km (0.1 R)
• M18: 11,055,881 km (0.072 R)
• M19: 11,759,440 km (0.079 R)
• M20: 12,680,364 km (0.075 R)
• M21: 17,230,982 km (0.025 R)
• M22: 17,542,146 km (0.045 R)
• M23: 18,742,220 km (0.093 R)
• M24: 20,081,569 km (0.073 R)
• M25: 25,773,918 km (0.077 R)
• M26: 26,695,590 km (0.036 R)
• M27: 27,321,957 km (0.058 R)
• M28: 28,280,131 km (0.049 R)
• M29: 39,795,726 km (0.098 R)
• M30: 45,752,564 km (0.088 R)
• M31: 50,195,471 km (0.055 R)
• M32: 50,670,893 km (0.051 R)
• M33: 51,149,158 km (0.066 R)
• M34: 55,591,018 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81.5

Radius: 4.3

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.05 AU - 8.29 AU

Year: 12396 Days

Day: 15.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,989,574 km

• M1: 118,781 km (0.111 R)
• M2: 301,290 km (0.117 R)
• M3: 576,101 km (0.079 R)
• M4: 1,485,357 km (0.08 R)
• M5: 2,257,731 km (0.078 R)
• M6: 2,872,429 km (0.099 R)
• M7: 5,269,286 km (0.118 R)
• M8: 6,940,144 km (0.054 R)
• M9: 13,389,608 km (0.113 R)
• M10: 19,388,782 km (0.05 R)
• M11: 19,715,354 km (0.112 R)
• M12: 20,581,675 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.6

Radius: 5.4

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.19 AU - 9.55 AU

Year: 14255 Days

Day: 23.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,989,574 km

• M1: 67,169 km (0.078 R)
• M2: 354,697 km (0.06 R)
• M3: 661,372 km (0.076 R)
• M4: 1,256,622 km (0.107 R)
• M5: 2,039,468 km (0.087 R)
• M6: 4,042,134 km (0.095 R)
• M7: 4,255,162 km (0.092 R)
• M8: 4,909,204 km (0.094 R)
• M9: 5,182,669 km (0.086 R)
• M10: 6,098,806 km (0.115 R)
• M11: 8,460,059 km (0.116 R)
• M12: 9,866,279 km (0.114 R)
• M13: 11,264,271 km (0.078 R)
• M14: 12,174,574 km (0.098 R)
• M15: 12,619,478 km (0.118 R)
• M16: 13,075,153 km (0.109 R)
• M17: 14,508,301 km (0.086 R)
• M18: 14,819,464 km (0.099 R)
• M19: 15,584,508 km (0.086 R)
• M20: 17,055,055 km (0.082 R)
• M21: 17,471,685 km (0.111 R)
• M22: 18,109,271 km (0.119 R)
• M23: 18,909,470 km (0.114 R)
• M24: 21,773,820 km (0.049 R)
• M25: 22,099,794 km (0.085 R)
• M26: 23,436,451 km (0.112 R)
• M27: 26,546,591 km (0.111 R)
• M28: 40,498,388 km (0.044 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 15,779 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit