🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.5

Radius: 8.3

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.8 AU - 1.06 AU

Year: 630 Days

Day: 11.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,433,394 km

• M1: 103,223 km (0.116 R)
• M2: 387,309 km (0.113 R)
• M3: 821,741 km (0.096 R)
• M4: 1,104,631 km (0.076 R)
• M5: 1,561,353 km (0.087 R)
• M6: 1,830,629 km (0.064 R)
• M7: 2,205,222 km (0.096 R)
• M8: 2,574,430 km (0.068 R)
• M9: 2,974,155 km (0.112 R)
• M10: 3,392,431 km (0.069 R)
• M11: 3,704,492 km (0.089 R)
• M12: 4,307,072 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.4

Radius: 13.8

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.19 AU - 3.27 AU

Year: 3171 Days

Day: 8.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,433,394 km

• M1: 172,486 km (0.116 R)
• M2: 616,044 km (0.041 R)
• M3: 1,053,169 km (0.103 R)
• M4: 1,548,936 km (0.078 R)
• M5: 2,019,870 km (0.075 R)
• M6: 2,527,755 km (0.109 R)
• M7: 3,155,617 km (0.119 R)
• M8: 4,238,706 km (0.091 R)
• M9: 5,009,285 km (0.076 R)
• M10: 6,625,091 km (0.099 R)
• M11: 7,473,760 km (0.08 R)
• M12: 8,156,973 km (0.099 R)
• M13: 9,875,554 km (0.101 R)
• M14: 11,148,482 km (0.117 R)
• M15: 13,166,258 km (0.061 R)
• M16: 15,991,564 km (0.062 R)
• M17: 16,797,597 km (0.12 R)
• M18: 17,971,491 km (0.114 R)
• M19: 20,922,459 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389

Radius: 10.4

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.81 AU - 3.43 AU

Year: 3874 Days

Day: 8.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,433,394 km

• M1: 129,402 km (0.108 R)
• M2: 519,404 km (0.117 R)
• M3: 1,279,660 km (0.071 R)
• M4: 1,807,741 km (0.065 R)
• M5: 2,687,526 km (0.086 R)
• M6: 4,094,045 km (0.115 R)
• M7: 4,934,785 km (0.093 R)
• M8: 6,156,401 km (0.074 R)
• M9: 12,599,282 km (0.113 R)
• M10: 14,808,992 km (0.084 R)
• M11: 15,823,266 km (0.044 R)
• M12: 16,775,307 km (0.088 R)
• M13: 18,503,611 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.9

Radius: 12.8

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.04 AU - 4.08 AU

Year: 4722 Days

Day: 12.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,433,394 km

• M1: 159,771 km (0.116 R)
• M2: 560,992 km (0.047 R)
• M3: 1,058,555 km (0.113 R)
• M4: 1,922,632 km (0.104 R)
• M5: 2,855,524 km (0.093 R)
• M6: 3,253,754 km (0.085 R)
• M7: 4,024,183 km (0.088 R)
• M8: 4,477,913 km (0.107 R)
• M9: 5,209,447 km (0.081 R)
• M10: 5,779,564 km (0.115 R)
• M11: 6,582,755 km (0.111 R)
• M12: 8,110,299 km (0.079 R)
• M13: 9,862,688 km (0.058 R)
• M14: 11,240,485 km (0.046 R)
• M15: 11,807,162 km (0.106 R)
• M16: 12,492,170 km (0.08 R)
• M17: 13,674,891 km (0.117 R)
• M18: 15,500,583 km (0.051 R)
• M19: 17,421,121 km (0.119 R)
• M20: 21,298,548 km (0.081 R)
• M21: 22,610,372 km (0.034 R)
• M22: 28,747,475 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73

Radius: 10

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.35 AU - 4.47 AU

Year: 6510 Days

Day: 13.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,433,394 km

• M1: 124,316 km (0.084 R)
• M2: 546,182 km (0.039 R)
• M3: 1,160,730 km (0.085 R)
• M4: 2,154,808 km (0.071 R)
• M5: 2,675,708 km (0.072 R)
• M6: 3,766,276 km (0.11 R)
• M7: 4,864,324 km (0.051 R)
• M8: 5,198,077 km (0.072 R)
• M9: 5,812,924 km (0.088 R)
• M10: 6,292,236 km (0.108 R)
• M11: 7,131,031 km (0.114 R)
• M12: 7,770,263 km (0.119 R)
• M13: 8,479,058 km (0.038 R)
• M14: 11,515,296 km (0.088 R)
• M15: 14,109,174 km (0.059 R)
• M16: 16,417,170 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.7

Radius: 5.7

Gravity: 17.97 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.34 AU - 7.5 AU

Year: 11434 Days

Day: 23.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 86.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,433,394 km

• M1: 70,909 km (0.084 R)
• M2: 355,445 km (0.092 R)
• M3: 791,672 km (0.111 R)
• M4: 994,227 km (0.031 R)
• M5: 1,492,688 km (0.104 R)
• M6: 1,919,640 km (0.036 R)
• M7: 2,645,938 km (0.06 R)
• M8: 4,211,778 km (0.09 R)
• M9: 4,414,035 km (0.027 R)
• M10: 4,592,505 km (0.109 R)
• M11: 5,731,693 km (0.088 R)
• M12: 6,809,097 km (0.103 R)
• M13: 7,007,613 km (0.071 R)
• M14: 7,251,009 km (0.083 R)
• M15: 8,645,560 km (0.094 R)
• M16: 12,360,374 km (0.115 R)
• M17: 13,950,749 km (0.09 R)
• M18: 16,089,550 km (0.098 R)
• M19: 18,284,301 km (0.036 R)
• M20: 20,341,421 km (0.105 R)
• M21: 21,852,659 km (0.115 R)
• M22: 23,168,073 km (0.089 R)
• M23: 24,257,594 km (0.117 R)
• M24: 24,628,297 km (0.085 R)
• M25: 27,130,471 km (0.042 R)
• M26: 28,545,368 km (0.107 R)
• M27: 29,585,821 km (0.1 R)
• M28: 36,485,275 km (0.086 R)
• M29: 36,849,845 km (0.112 R)
• M30: 37,094,288 km (0.08 R)
• M31: 38,082,532 km (0.065 R)
• M32: 43,153,151 km (0.072 R)
• M33: 46,203,003 km (0.087 R)
• M34: 46,772,522 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346.4

Radius: 8

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.43 AU - 10.69 AU

Year: 22429 Days

Day: 20.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 147.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,433,394 km

• M1: 100,081 km (0.101 R)
• M2: 526,734 km (0.053 R)
• M3: 873,801 km (0.09 R)
• M4: 1,315,264 km (0.058 R)
• M5: 1,776,774 km (0.057 R)
• M6: 2,342,254 km (0.062 R)
• M7: 2,924,788 km (0.061 R)
• M8: 3,628,197 km (0.095 R)
• M9: 4,004,885 km (0.103 R)
• M10: 4,569,467 km (0.097 R)
• M11: 5,257,767 km (0.102 R)
• M12: 6,053,029 km (0.112 R)
• M13: 7,927,939 km (0.107 R)
• M14: 9,075,654 km (0.111 R)
• M15: 10,216,787 km (0.066 R)
• M16: 12,198,809 km (0.088 R)
• M17: 13,861,739 km (0.12 R)
• M18: 16,436,019 km (0.097 R)
• M19: 23,582,160 km (0.112 R)
• M20: 27,772,695 km (0.087 R)
• M21: 30,159,529 km (0.1 R)
• M22: 30,984,711 km (0.08 R)
• M23: 33,425,101 km (0.109 R)
• M24: 35,337,560 km (0.06 R)
• M25: 36,519,383 km (0.063 R)
• M26: 38,409,702 km (0.098 R)
• M27: 42,973,933 km (0.093 R)
• M28: 43,270,586 km (0.082 R)
• M29: 45,693,622 km (0.102 R)
• M30: 50,974,278 km (0.043 R)
• M31: 58,083,617 km (0.1 R)
• M32: 58,628,303 km (0.092 R)
• M33: 59,912,601 km (0.111 R)
• M34: 65,042,162 km (0.106 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 11,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit