🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.6

Radius: 12.6

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.93 AU - 1.03 AU

Year: 626 Days

Day: 7.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,851,938 km

• M1: 156,629 km (0.086 R)
• M2: 610,359 km (0.104 R)
• M3: 1,056,759 km (0.054 R)
• M4: 1,879,099 km (0.115 R)
• M5: 2,468,814 km (0.117 R)
• M6: 2,997,044 km (0.095 R)
• M7: 3,654,078 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.6

Radius: 8.4

Gravity: 12.85 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.8 AU - 1.22 AU

Year: 655 Days

Day: 9 Hours

Environment

Temp: -155 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,851,938 km

• M1: 105,167 km (0.071 R)
• M2: 402,717 km (0.119 R)
• M3: 1,104,780 km (0.084 R)
• M4: 1,405,771 km (0.101 R)
• M5: 1,804,898 km (0.04 R)
• M6: 2,457,444 km (0.09 R)
• M7: 2,808,700 km (0.108 R)
• M8: 3,712,421 km (0.088 R)
• M9: 4,763,645 km (0.046 R)
• M10: 5,823,845 km (0.117 R)
• M11: 6,142,339 km (0.081 R)
• M12: 6,409,521 km (0.096 R)
• M13: 6,901,548 km (0.096 R)
• M14: 7,190,571 km (0.104 R)
• M15: 8,155,627 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.5

Radius: 13.4

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.84 AU - 1.34 AU

Year: 735 Days

Day: 6.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,851,938 km

• M1: 166,652 km (0.095 R)
• M2: 661,223 km (0.083 R)
• M3: 1,123,779 km (0.049 R)
• M4: 1,810,433 km (0.083 R)
• M5: 2,480,781 km (0.114 R)
• M6: 3,122,257 km (0.106 R)
• M7: 3,674,273 km (0.09 R)
• M8: 4,153,286 km (0.084 R)
• M9: 4,624,968 km (0.118 R)
• M10: 5,273,923 km (0.069 R)
• M11: 5,963,570 km (0.119 R)
• M12: 6,483,572 km (0.104 R)
• M13: 7,187,280 km (0.048 R)
• M14: 7,847,156 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.8

Radius: 13.1

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.36 AU - 1.78 AU

Year: 1270 Days

Day: 13.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 54,851,938 km

• M1: 163,211 km (0.053 R)
• M2: 2,697,848 km (0.076 R)
• M3: 3,379,865 km (0.046 R)
• M4: 3,824,320 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.7

Radius: 8.1

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.35 AU - 1.79 AU

Year: 1270 Days

Day: 12.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,851,938 km

• M1: 100,829 km (0.096 R)
• M2: 428,747 km (0.102 R)
• M3: 716,125 km (0.034 R)
• M4: 1,047,035 km (0.088 R)
• M5: 1,406,669 km (0.073 R)
• M6: 1,729,202 km (0.106 R)
• M7: 2,557,824 km (0.109 R)
• M8: 3,642,409 km (0.07 R)
• M9: 4,524,139 km (0.113 R)
• M10: 5,615,455 km (0.115 R)
• M11: 6,353,272 km (0.091 R)
• M12: 7,286,613 km (0.055 R)
• M13: 7,601,816 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.3

Radius: 10.1

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.84 AU - 3.82 AU

Year: 3924 Days

Day: 5.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,851,938 km

• M1: 126,111 km (0.071 R)
• M2: 852,109 km (0.09 R)
• M3: 1,290,880 km (0.067 R)
• M4: 1,917,695 km (0.119 R)
• M5: 3,001,532 km (0.11 R)
• M6: 5,428,159 km (0.096 R)
• M7: 6,953,459 km (0.106 R)
• M8: 7,692,921 km (0.063 R)
• M9: 9,092,259 km (0.059 R)
• M10: 9,527,440 km (0.12 R)
• M11: 11,093,729 km (0.117 R)
• M12: 11,408,334 km (0.041 R)
• M13: 12,292,607 km (0.11 R)
• M14: 14,249,945 km (0.095 R)
• M15: 14,891,870 km (0.101 R)
• M16: 15,441,343 km (0.095 R)
• M17: 16,874,490 km (0.102 R)
• M18: 17,653,895 km (0.086 R)
• M19: 19,284,362 km (0.056 R)
• M20: 20,605,312 km (0.082 R)
• M21: 21,218,962 km (0.106 R)
• M22: 24,169,930 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.6

Radius: 11.3

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.69 AU - 4.39 AU

Year: 4301 Days

Day: 11.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,851,938 km

• M1: 157,826 km (0.112 R)
• M2: 824,434 km (0.12 R)
• M3: 2,402,841 km (0.111 R)
• M4: 3,131,383 km (0.094 R)
• M5: 8,359,679 km (0.094 R)
• M6: 9,150,453 km (0.113 R)
• M7: 10,340,504 km (0.085 R)
• M8: 11,326,952 km (0.076 R)
• M9: 13,871,612 km (0.12 R)
• M10: 14,663,583 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676

Radius: 9.7

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.34 AU - 4.56 AU

Year: 5069 Days

Day: 12.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 174.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,851,938 km

• M1: 120,576 km (0.029 R)
• M2: 527,931 km (0.077 R)
• M3: 888,462 km (0.116 R)
• M4: 1,495,530 km (0.085 R)
• M5: 2,040,066 km (0.109 R)
• M6: 2,343,451 km (0.111 R)
• M7: 3,568,059 km (0.095 R)
• M8: 3,920,511 km (0.098 R)
• M9: 4,418,672 km (0.069 R)
• M10: 8,229,080 km (0.09 R)
• M11: 9,168,405 km (0.071 R)
• M12: 9,961,423 km (0.065 R)
• M13: 11,924,297 km (0.083 R)
• M14: 12,365,610 km (0.103 R)
• M15: 12,716,417 km (0.117 R)
• M16: 13,649,011 km (0.117 R)
• M17: 14,350,475 km (0.111 R)
• M18: 14,682,283 km (0.104 R)
• M19: 15,592,137 km (0.048 R)
• M20: 16,418,666 km (0.094 R)
• M21: 18,094,910 km (0.066 R)
• M22: 20,503,286 km (0.119 R)
• M23: 21,066,223 km (0.084 R)
• M24: 21,711,737 km (0.069 R)
• M25: 24,426,490 km (0.101 R)
• M26: 25,621,627 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 308.1

Radius: 7.9

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.92 AU - 10.64 AU

Year: 18253 Days

Day: 24 Hours

Environment

Temp: -233 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,851,938 km

• M1: 98,585 km (0.076 R)
• M2: 583,880 km (0.05 R)
• M3: 1,352,514 km (0.096 R)
• M4: 2,589,539 km (0.1 R)
• M5: 4,794,313 km (0.107 R)
• M6: 8,389,000 km (0.116 R)
• M7: 13,789,184 km (0.057 R)
• M8: 15,065,702 km (0.109 R)
• M9: 17,314,607 km (0.118 R)
• M10: 23,197,394 km (0.118 R)
• M11: 28,027,161 km (0.118 R)
• M12: 35,658,747 km (0.104 R)
• M13: 38,050,966 km (0.057 R)
• M14: 41,087,654 km (0.095 R)
• M15: 43,997,781 km (0.109 R)
• M16: 44,282,017 km (0.085 R)
• M17: 54,197,513 km (0.111 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: 326 - 14,244 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit