🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.7

Radius: 15

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.61 AU - 0.73 AU

Year: 372 Days

Day: 8 Hours

Environment

Temp: -165 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 88,874,668 km

• M1: 186,549 km (0.095 R)
• M2: 785,538 km (0.103 R)
• M3: 1,289,833 km (0.071 R)
• M4: 1,834,369 km (0.087 R)
• M5: 2,524,913 km (0.034 R)
• M6: 3,054,639 km (0.06 R)
• M7: 3,753,111 km (0.089 R)
• M8: 4,722,356 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.2

Radius: 11.5

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.88 AU - 1.08 AU

Year: 658 Days

Day: 13.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 88,874,668 km

• M1: 143,464 km (0.078 R)
• M2: 594,352 km (0.116 R)
• M3: 1,039,406 km (0.103 R)
• M4: 1,409,062 km (0.102 R)
• M5: 1,770,491 km (0.061 R)
• M6: 2,300,815 km (0.108 R)
• M7: 2,668,527 km (0.07 R)
• M8: 3,931,731 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.5

Radius: 13.4

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.94 AU - 2.84 AU

Year: 2506 Days

Day: 8.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,874,668 km

• M1: 166,652 km (0.078 R)
• M2: 671,694 km (0.11 R)
• M3: 1,247,197 km (0.084 R)
• M4: 1,673,402 km (0.063 R)
• M5: 2,160,642 km (0.113 R)
• M6: 2,712,957 km (0.104 R)
• M7: 3,138,264 km (0.095 R)
• M8: 3,682,202 km (0.107 R)
• M9: 4,692,736 km (0.102 R)
• M10: 8,912,892 km (0.109 R)
• M11: 10,308,340 km (0.08 R)
• M12: 11,276,687 km (0.056 R)
• M13: 12,474,966 km (0.117 R)
• M14: 14,078,506 km (0.081 R)
• M15: 14,833,676 km (0.117 R)
• M16: 17,103,225 km (0.118 R)
• M17: 17,799,903 km (0.107 R)
• M18: 18,965,270 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.5

Radius: 14

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.7 AU - 3.72 AU

Year: 4847 Days

Day: 5.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 88,874,668 km

• M1: 174,132 km (0.044 R)
• M2: 615,146 km (0.079 R)
• M3: 1,059,153 km (0.112 R)
• M4: 1,975,290 km (0.088 R)
• M5: 2,742,578 km (0.119 R)
• M6: 3,353,236 km (0.057 R)
• M7: 5,197,030 km (0.071 R)
• M8: 5,694,742 km (0.079 R)
• M9: 6,725,621 km (0.108 R)
• M10: 7,979,102 km (0.116 R)
• M11: 8,751,924 km (0.085 R)
• M12: 9,846,532 km (0.113 R)
• M13: 12,490,973 km (0.092 R)
• M14: 13,148,157 km (0.071 R)
• M15: 15,101,307 km (0.114 R)
• M16: 15,956,109 km (0.098 R)
• M17: 16,786,527 km (0.062 R)
• M18: 18,836,466 km (0.08 R)
• M19: 19,451,613 km (0.031 R)
• M20: 19,953,514 km (0.088 R)
• M21: 20,657,521 km (0.068 R)
• M22: 21,711,139 km (0.098 R)
• M23: 23,008,452 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.4

Radius: 5.1

Gravity: 18.66 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.37 AU - 6.71 AU

Year: 11344 Days

Day: 24.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 88,874,668 km

• M1: 64,477 km (0.113 R)
• M2: 232,924 km (0.107 R)
• M3: 762,949 km (0.074 R)
• M4: 1,018,313 km (0.118 R)
• M5: 1,207,255 km (0.108 R)
• M6: 1,528,142 km (0.083 R)
• M7: 2,570,391 km (0.104 R)
• M8: 2,859,414 km (0.102 R)
• M9: 4,126,208 km (0.039 R)
• M10: 4,944,359 km (0.067 R)
• M11: 5,457,779 km (0.092 R)
• M12: 5,865,583 km (0.091 R)
• M13: 6,148,622 km (0.12 R)
• M14: 6,552,536 km (0.063 R)
• M15: 6,780,224 km (0.067 R)
• M16: 11,072,636 km (0.057 R)
• M17: 11,504,974 km (0.116 R)
• M18: 12,576,992 km (0.101 R)
• M19: 13,047,627 km (0.073 R)
• M20: 13,469,044 km (0.042 R)
• M21: 15,780,780 km (0.118 R)
• M22: 15,984,682 km (0.074 R)
• M23: 19,102,601 km (0.066 R)
• M24: 21,503,198 km (0.034 R)
• M25: 22,090,968 km (0.065 R)
• M26: 24,458,504 km (0.097 R)
• M27: 26,032,872 km (0.1 R)
• M28: 27,673,661 km (0.09 R)
• M29: 30,314,363 km (0.077 R)
• M30: 30,840,798 km (0.107 R)
• M31: 33,118,425 km (0.057 R)
• M32: 42,427,452 km (0.105 R)
• M33: 43,351,219 km (0.032 R)
• M34: 45,375,877 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691

Radius: 6.7

Gravity: 15.39 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.15 AU - 8.15 AU

Year: 11631 Days

Day: 17 Hours

Environment

Temp: -237 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,874,668 km

• M1: 83,326 km (0.075 R)
• M2: 353,500 km (0.072 R)
• M3: 704,307 km (0.11 R)
• M4: 1,742,516 km (0.064 R)
• M5: 2,339,860 km (0.103 R)
• M6: 3,184,041 km (0.067 R)
• M7: 3,795,747 km (0.073 R)
• M8: 4,920,573 km (0.101 R)
• M9: 5,352,013 km (0.031 R)
• M10: 6,879,408 km (0.114 R)
• M11: 15,344,702 km (0.079 R)
• M12: 25,081,130 km (0.081 R)
• M13: 27,672,016 km (0.091 R)
• M14: 28,503,780 km (0.08 R)
• M15: 30,656,044 km (0.107 R)
• M16: 30,988,002 km (0.074 R)
• M17: 32,339,619 km (0.074 R)
• M18: 35,039,262 km (0.086 R)
• M19: 44,881,456 km (0.112 R)
• M20: 46,173,532 km (0.072 R)
• M21: 50,659,823 km (0.081 R)
• M22: 53,167,382 km (0.028 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.7

Radius: 3.7

Gravity: 63.82 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 9.25 AU - 11.31 AU

Year: 22355 Days

Day: 22.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 88,874,668 km

• M1: 46,076 km (0.101 R)
• M2: 167,550 km (0.118 R)
• M3: 1,155,195 km (0.12 R)
• M4: 1,417,440 km (0.061 R)
• M5: 2,769,954 km (0.096 R)
• M6: 3,385,549 km (0.087 R)
• M7: 5,234,579 km (0.069 R)
• M8: 5,688,459 km (0.039 R)
• M9: 6,440,936 km (0.083 R)
• M10: 8,033,106 km (0.096 R)
• M11: 11,016,836 km (0.099 R)
• M12: 11,968,428 km (0.103 R)
• M13: 12,680,664 km (0.049 R)
• M14: 13,648,412 km (0.11 R)
• M15: 21,628,711 km (0.109 R)
• M16: 22,683,076 km (0.082 R)
• M17: 25,352,501 km (0.101 R)
• M18: 26,882,139 km (0.064 R)
• M19: 29,354,094 km (0.065 R)
• M20: 34,036,956 km (0.1 R)
• M21: 37,821,184 km (0.12 R)
• M22: 38,123,372 km (0.082 R)
• M23: 38,885,872 km (0.042 R)
• M24: 45,868,203 km (0.076 R)
• M25: 47,253,180 km (0.103 R)
• M26: 48,844,303 km (0.113 R)
• M27: 52,883,296 km (0.079 R)
• M28: 58,338,532 km (0.075 R)
• M29: 58,741,848 km (0.106 R)
• M30: 61,201,536 km (0.094 R)
• M31: 63,090,508 km (0.096 R)
• M32: 63,515,666 km (0.111 R)
• M33: 64,802,058 km (0.066 R)
• M34: 71,035,951 km (0.092 R)
• M35: 77,414,355 km (0.099 R)
• M36: 80,367,716 km (0.111 R)
• M37: 85,975,392 km (0.047 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 17,930 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit