🌌 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: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284

Radius: 13.8

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.76 AU - 0.94 AU

Year: 541 Days

Day: 14.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,492,268 km

• M1: 171,589 km (0.104 R)
• M2: 681,269 km (0.047 R)
• M3: 1,271,133 km (0.088 R)
• M4: 1,910,215 km (0.075 R)
• M5: 2,409,573 km (0.09 R)
• M6: 2,996,595 km (0.108 R)
• M7: 3,607,852 km (0.039 R)
• M8: 4,341,031 km (0.054 R)
• M9: 5,097,398 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.8

Radius: 8

Gravity: 14.89 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.8 AU - 0.94 AU

Year: 560 Days

Day: 13.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,492,268 km

• M1: 99,483 km (0.107 R)
• M2: 466,297 km (0.115 R)
• M3: 776,413 km (0.051 R)
• M4: 1,125,425 km (0.105 R)
• M5: 1,450,351 km (0.112 R)
• M6: 1,778,270 km (0.081 R)
• M7: 2,233,197 km (0.096 R)
• M8: 2,673,314 km (0.03 R)
• M9: 2,950,070 km (0.101 R)
• M10: 4,601,780 km (0.073 R)
• M11: 5,351,714 km (0.086 R)
• M12: 6,461,581 km (0.12 R)
• M13: 6,814,183 km (0.079 R)
• M14: 7,157,660 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.4

Radius: 9.6

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.12 AU - 1.42 AU

Year: 988 Days

Day: 8.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,492,268 km

• M1: 119,379 km (0.1 R)
• M2: 542,143 km (0.034 R)
• M3: 877,392 km (0.074 R)
• M4: 1,772,884 km (0.106 R)
• M5: 2,524,314 km (0.061 R)
• M6: 3,303,420 km (0.104 R)
• M7: 4,533,414 km (0.108 R)
• M8: 4,913,392 km (0.093 R)
• M9: 5,737,677 km (0.104 R)
• M10: 6,104,042 km (0.095 R)
• M11: 6,424,481 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.9

Radius: 9.7

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.81 AU - 2.21 AU

Year: 1967 Days

Day: 12 Hours

Environment

Temp: -192 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,492,268 km

• M1: 125,961 km (0.098 R)
• M2: 456,124 km (0.104 R)
• M3: 782,995 km (0.087 R)
• M4: 1,176,288 km (0.103 R)
• M5: 1,542,055 km (0.052 R)
• M6: 2,148,973 km (0.053 R)
• M7: 2,632,474 km (0.101 R)
• M8: 3,139,311 km (0.098 R)
• M9: 3,570,004 km (0.079 R)
• M10: 4,250,674 km (0.079 R)
• M11: 4,757,960 km (0.047 R)
• M12: 5,748,597 km (0.07 R)
• M13: 7,257,292 km (0.115 R)
• M14: 7,716,408 km (0.071 R)
• M15: 8,410,243 km (0.114 R)
• M16: 11,000,679 km (0.093 R)
• M17: 11,879,417 km (0.091 R)
• M18: 15,395,117 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.7

Radius: 8.6

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.18 AU - 2.46 AU

Year: 2439 Days

Day: 7.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,492,268 km

• M1: 106,962 km (0.1 R)
• M2: 403,914 km (0.06 R)
• M3: 674,537 km (0.089 R)
• M4: 1,019,509 km (0.102 R)
• M5: 1,403,826 km (0.055 R)
• M6: 1,734,438 km (0.1 R)
• M7: 2,091,378 km (0.061 R)
• M8: 2,383,992 km (0.041 R)
• M9: 2,749,908 km (0.03 R)
• M10: 3,085,905 km (0.05 R)
• M11: 4,118,280 km (0.12 R)
• M12: 4,538,051 km (0.111 R)
• M13: 4,986,097 km (0.094 R)
• M14: 5,341,242 km (0.036 R)
• M15: 5,841,049 km (0.089 R)
• M16: 7,257,142 km (0.11 R)
• M17: 8,418,770 km (0.03 R)
• M18: 8,719,162 km (0.105 R)
• M19: 9,130,856 km (0.077 R)
• M20: 11,027,009 km (0.103 R)
• M21: 12,818,144 km (0.108 R)
• M22: 13,622,681 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.1

Radius: 10.1

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.44 AU - 2.58 AU

Year: 2745 Days

Day: 5.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,492,268 km

• M1: 125,812 km (0.079 R)
• M2: 532,419 km (0.099 R)
• M3: 932,294 km (0.115 R)
• M4: 1,473,389 km (0.077 R)
• M5: 3,018,436 km (0.119 R)
• M6: 4,596,694 km (0.028 R)
• M7: 5,514,926 km (0.113 R)
• M8: 6,953,309 km (0.114 R)
• M9: 7,712,369 km (0.084 R)
• M10: 8,525,732 km (0.109 R)
• M11: 9,040,648 km (0.108 R)
• M12: 10,515,534 km (0.084 R)
• M13: 10,987,664 km (0.045 R)
• M14: 13,380,931 km (0.087 R)
• M15: 14,505,907 km (0.091 R)
• M16: 14,845,494 km (0.098 R)
• M17: 15,390,031 km (0.077 R)
• M18: 16,102,266 km (0.111 R)
• M19: 16,783,086 km (0.095 R)
• M20: 18,998,930 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.8

Radius: 12

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.69 AU - 2.87 AU

Year: 3199 Days

Day: 12.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,492,268 km

• M1: 149,299 km (0.069 R)
• M2: 605,423 km (0.111 R)
• M3: 1,187,358 km (0.081 R)
• M4: 1,817,315 km (0.095 R)
• M5: 2,648,182 km (0.108 R)
• M6: 4,137,877 km (0.102 R)
• M7: 4,552,562 km (0.061 R)
• M8: 4,975,326 km (0.068 R)
• M9: 5,789,737 km (0.106 R)
• M10: 6,498,831 km (0.059 R)
• M11: 6,986,370 km (0.056 R)
• M12: 7,683,347 km (0.119 R)
• M13: 8,090,253 km (0.077 R)
• M14: 8,829,865 km (0.11 R)
• M15: 9,246,495 km (0.03 R)
• M16: 9,801,353 km (0.057 R)
• M17: 10,280,814 km (0.106 R)
• M18: 10,708,814 km (0.114 R)
• M19: 11,530,405 km (0.096 R)
• M20: 12,210,178 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.4

Radius: 3.3

Gravity: 84.06 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 8.02 AU - 9.2 AU

Year: 17439 Days

Day: 24.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,492,268 km

• M1: 41,139 km (0.116 R)
• M2: 179,817 km (0.072 R)
• M3: 354,248 km (0.055 R)
• M4: 472,131 km (0.092 R)
• M5: 616,642 km (0.113 R)
• M6: 888,911 km (0.099 R)
• M7: 1,058,704 km (0.115 R)
• M8: 4,752,724 km (0.081 R)
• M9: 5,993,040 km (0.117 R)
• M10: 6,509,153 km (0.08 R)
• M11: 7,978,503 km (0.081 R)
• M12: 9,426,461 km (0.078 R)
• M13: 13,040,147 km (0.112 R)
• M14: 15,034,885 km (0.102 R)
• M15: 18,349,824 km (0.119 R)
• M16: 20,176,414 km (0.044 R)
• M17: 26,943,923 km (0.097 R)
• M18: 30,521,257 km (0.115 R)
• M19: 30,770,337 km (0.041 R)
• M20: 32,943,246 km (0.074 R)
• M21: 33,074,144 km (0.095 R)
• M22: 36,600,914 km (0.111 R)
• M23: 38,745,400 km (0.066 R)
• M24: 50,732,378 km (0.101 R)
• M25: 51,609,321 km (0.119 R)
• M26: 56,708,065 km (0.053 R)
• M27: 67,680,171 km (0.041 R)
• M28: 67,891,852 km (0.115 R)
• M29: 68,742,615 km (0.086 R)
• M30: 75,351,251 km (0.075 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: 154 - 18,126 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit