🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.7

Radius: 11.5

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.8 AU - 1.2 AU

Year: 656 Days

Day: 11.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,089,433 km

• M1: 143,016 km (0.094 R)
• M2: 573,259 km (0.117 R)
• M3: 1,208,601 km (0.115 R)
• M4: 1,737,430 km (0.093 R)
• M5: 2,367,985 km (0.087 R)
• M6: 2,875,570 km (0.057 R)
• M7: 3,360,267 km (0.103 R)
• M8: 3,899,119 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.5

Radius: 12.9

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.09 AU - 2.57 AU

Year: 2333 Days

Day: 13.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,089,433 km

• M1: 160,369 km (0.109 R)
• M2: 651,948 km (0.032 R)
• M3: 1,128,267 km (0.119 R)
• M4: 2,540,172 km (0.111 R)
• M5: 2,984,328 km (0.092 R)
• M6: 3,874,136 km (0.101 R)
• M7: 4,597,143 km (0.104 R)
• M8: 5,096,351 km (0.049 R)
• M9: 6,258,427 km (0.027 R)
• M10: 7,077,326 km (0.033 R)
• M11: 8,257,204 km (0.111 R)
• M12: 9,242,755 km (0.101 R)
• M13: 10,229,353 km (0.082 R)
• M14: 11,285,065 km (0.087 R)
• M15: 11,776,943 km (0.098 R)
• M16: 14,123,385 km (0.058 R)
• M17: 15,682,494 km (0.066 R)
• M18: 16,347,607 km (0.106 R)
• M19: 17,245,792 km (0.085 R)
• M20: 19,605,699 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.6

Radius: 12.8

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.62 AU - 3.04 AU

Year: 3123 Days

Day: 13.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,089,433 km

• M1: 159,322 km (0.095 R)
• M2: 618,288 km (0.11 R)
• M3: 1,192,893 km (0.089 R)
• M4: 1,697,487 km (0.103 R)
• M5: 2,530,149 km (0.038 R)
• M6: 2,949,472 km (0.05 R)
• M7: 3,851,397 km (0.114 R)
• M8: 4,744,347 km (0.1 R)
• M9: 5,143,175 km (0.113 R)
• M10: 5,718,678 km (0.116 R)
• M11: 7,486,775 km (0.046 R)
• M12: 8,161,312 km (0.111 R)
• M13: 8,876,090 km (0.115 R)
• M14: 9,484,804 km (0.071 R)
• M15: 10,197,937 km (0.102 R)
• M16: 10,866,191 km (0.12 R)
• M17: 11,438,104 km (0.109 R)
• M18: 12,116,380 km (0.098 R)
• M19: 18,487,903 km (0.095 R)
• M20: 19,127,285 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.5

Radius: 11.8

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.66 AU - 3.38 AU

Year: 3443 Days

Day: 11 Hours

Environment

Temp: -194 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,089,433 km

• M1: 147,354 km (0.113 R)
• M2: 659,427 km (0.095 R)
• M3: 1,040,154 km (0.105 R)
• M4: 2,139,698 km (0.102 R)
• M5: 4,894,094 km (0.104 R)
• M6: 5,760,416 km (0.099 R)
• M7: 6,991,456 km (0.088 R)
• M8: 7,765,027 km (0.051 R)
• M9: 8,837,644 km (0.117 R)
• M10: 10,628,031 km (0.062 R)
• M11: 17,884,126 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.2

Radius: 11.1

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.64 AU - 4.24 AU

Year: 4185 Days

Day: 5.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,089,433 km

• M1: 150,495 km (0.115 R)
• M2: 956,828 km (0.116 R)
• M3: 1,351,168 km (0.076 R)
• M4: 1,895,106 km (0.06 R)
• M5: 3,386,148 km (0.045 R)
• M6: 4,519,800 km (0.103 R)
• M7: 4,975,326 km (0.052 R)
• M8: 5,378,193 km (0.096 R)
• M9: 6,038,518 km (0.108 R)
• M10: 6,751,950 km (0.042 R)
• M11: 9,678,085 km (0.084 R)
• M12: 10,480,827 km (0.114 R)
• M13: 12,364,114 km (0.077 R)
• M14: 13,721,266 km (0.109 R)
• M15: 15,009,005 km (0.099 R)
• M16: 16,611,348 km (0.065 R)
• M17: 17,029,025 km (0.077 R)
• M18: 18,010,387 km (0.083 R)
• M19: 18,451,401 km (0.113 R)
• M20: 22,028,137 km (0.033 R)
• M21: 24,245,177 km (0.111 R)
• M22: 25,094,145 km (0.094 R)
• M23: 26,042,745 km (0.055 R)
• M24: 28,348,946 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.7

Radius: 9.1

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.69 AU - 4.33 AU

Year: 4314 Days

Day: 9.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 34,089,433 km

• M1: 113,844 km (0.097 R)
• M2: 427,401 km (0.094 R)
• M3: 958,174 km (0.078 R)
• M4: 1,531,134 km (0.091 R)
• M5: 2,302,610 km (0.057 R)
• M6: 2,725,823 km (0.115 R)
• M7: 3,126,745 km (0.06 R)
• M8: 3,428,484 km (0.034 R)
• M9: 3,939,211 km (0.108 R)
• M10: 4,812,115 km (0.068 R)
• M11: 5,268,089 km (0.089 R)
• M12: 5,780,611 km (0.111 R)
• M13: 6,905,139 km (0.065 R)
• M14: 7,354,231 km (0.113 R)
• M15: 7,960,103 km (0.098 R)
• M16: 9,348,371 km (0.087 R)
• M17: 11,949,429 km (0.082 R)
• M18: 12,644,610 km (0.057 R)
• M19: 13,074,405 km (0.094 R)
• M20: 15,264,368 km (0.071 R)
• M21: 15,971,966 km (0.079 R)
• M22: 17,452,536 km (0.097 R)
• M23: 18,165,819 km (0.025 R)
• M24: 19,334,777 km (0.107 R)
• M25: 19,777,736 km (0.076 R)
• M26: 20,553,102 km (0.052 R)
• M27: 23,641,699 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126.4

Radius: 7.2

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.37 AU - 7.99 AU

Year: 13962 Days

Day: 21.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,089,433 km

• M1: 90,956 km (0.1 R)
• M2: 341,682 km (0.057 R)
• M3: 633,697 km (0.106 R)
• M4: 2,314,877 km (0.11 R)
• M5: 2,608,538 km (0.088 R)
• M6: 6,757,635 km (0.054 R)
• M7: 8,271,266 km (0.09 R)
• M8: 10,088,282 km (0.101 R)
• M9: 10,361,298 km (0.049 R)
• M10: 10,970,012 km (0.088 R)
• M11: 12,361,571 km (0.119 R)
• M12: 15,073,631 km (0.085 R)
• M13: 20,026,218 km (0.098 R)
• M14: 22,555,918 km (0.109 R)
• M15: 24,464,637 km (0.108 R)
• M16: 25,290,866 km (0.1 R)
• M17: 26,737,927 km (0.072 R)
• M18: 30,170,450 km (0.071 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 17,151 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit