🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.1

Radius: 11.8

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.04 AU - 1.2 AU

Year: 804 Days

Day: 13.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,401,601 km

• M1: 149,598 km (0.094 R)
• M2: 598,990 km (0.055 R)
• M3: 1,055,413 km (0.089 R)
• M4: 1,545,196 km (0.085 R)
• M5: 1,928,616 km (0.088 R)
• M6: 2,906,387 km (0.104 R)
• M7: 3,274,997 km (0.089 R)
• M8: 4,803,588 km (0.059 R)
• M9: 5,246,248 km (0.101 R)
• M10: 6,235,239 km (0.116 R)
• M11: 7,392,528 km (0.12 R)
• M12: 7,808,560 km (0.079 R)
• M13: 9,319,199 km (0.1 R)
• M14: 9,863,586 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.5

Radius: 11.6

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.15 AU - 1.33 AU

Year: 937 Days

Day: 5.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,401,601 km

• M1: 144,512 km (0.106 R)
• M2: 513,420 km (0.077 R)
• M3: 1,129,464 km (0.107 R)
• M4: 1,506,451 km (0.11 R)
• M5: 1,888,673 km (0.1 R)
• M6: 2,715,351 km (0.108 R)
• M7: 3,943,998 km (0.058 R)
• M8: 6,292,984 km (0.05 R)
• M9: 7,079,270 km (0.104 R)
• M10: 7,507,868 km (0.089 R)
• M11: 7,882,312 km (0.118 R)
• M12: 8,417,423 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.8

Radius: 10.1

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.98 AU - 1.58 AU

Year: 982 Days

Day: 5.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,401,601 km

• M1: 126,560 km (0.119 R)
• M2: 482,902 km (0.081 R)
• M3: 975,977 km (0.052 R)
• M4: 1,564,046 km (0.099 R)
• M5: 1,939,387 km (0.11 R)
• M6: 2,437,847 km (0.072 R)
• M7: 2,816,330 km (0.103 R)
• M8: 3,526,022 km (0.1 R)
• M9: 5,537,664 km (0.099 R)
• M10: 5,899,691 km (0.111 R)
• M11: 7,647,144 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.4

Radius: 12

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.46 AU - 2.5 AU

Year: 2649 Days

Day: 10.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,401,601 km

• M1: 149,299 km (0.058 R)
• M2: 619,036 km (0.066 R)
• M3: 1,061,098 km (0.086 R)
• M4: 1,475,933 km (0.078 R)
• M5: 1,895,555 km (0.084 R)
• M6: 2,519,677 km (0.032 R)
• M7: 3,014,397 km (0.096 R)
• M8: 3,682,352 km (0.067 R)
• M9: 4,180,961 km (0.097 R)
• M10: 4,878,536 km (0.058 R)
• M11: 7,961,299 km (0.079 R)
• M12: 8,666,205 km (0.065 R)
• M13: 10,237,730 km (0.047 R)
• M14: 10,839,862 km (0.096 R)
• M15: 12,197,911 km (0.063 R)
• M16: 12,961,459 km (0.089 R)
• M17: 14,397,000 km (0.101 R)
• M18: 15,249,708 km (0.074 R)
• M19: 17,212,731 km (0.076 R)
• M20: 18,118,995 km (0.029 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.6

Radius: 14.6

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.38 AU - 3.42 AU

Year: 3350 Days

Day: 7.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,401,601 km

• M1: 182,210 km (0.085 R)
• M2: 664,364 km (0.089 R)
• M3: 1,371,962 km (0.094 R)
• M4: 3,123,155 km (0.063 R)
• M5: 4,474,472 km (0.111 R)
• M6: 5,564,293 km (0.074 R)
• M7: 6,099,404 km (0.074 R)
• M8: 6,637,957 km (0.108 R)
• M9: 9,986,705 km (0.115 R)
• M10: 11,391,579 km (0.063 R)
• M11: 12,165,000 km (0.104 R)
• M12: 13,665,317 km (0.043 R)
• M13: 16,973,075 km (0.087 R)
• M14: 18,409,813 km (0.084 R)
• M15: 20,582,273 km (0.12 R)
• M16: 23,423,436 km (0.057 R)
• M17: 24,825,019 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.2

Radius: 13.8

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.17 AU - 5.55 AU

Year: 8417 Days

Day: 12.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,401,601 km

• M1: 172,038 km (0.068 R)
• M2: 762,351 km (0.108 R)
• M3: 1,369,718 km (0.081 R)
• M4: 1,854,864 km (0.076 R)
• M5: 2,311,736 km (0.086 R)
• M6: 3,412,627 km (0.036 R)
• M7: 4,837,846 km (0.046 R)
• M8: 5,586,433 km (0.029 R)
• M9: 7,964,740 km (0.096 R)
• M10: 9,613,608 km (0.104 R)
• M11: 10,747,560 km (0.118 R)
• M12: 13,399,032 km (0.098 R)
• M13: 15,068,545 km (0.115 R)
• M14: 22,050,427 km (0.119 R)
• M15: 22,806,794 km (0.087 R)
• M16: 23,406,980 km (0.098 R)
• M17: 23,842,011 km (0.085 R)
• M18: 26,567,235 km (0.06 R)
• M19: 28,991,918 km (0.101 R)
• M20: 31,878,708 km (0.117 R)
• M21: 34,277,510 km (0.092 R)
• M22: 34,952,196 km (0.102 R)
• M23: 35,406,824 km (0.099 R)
• M24: 39,801,411 km (0.1 R)
• M25: 40,297,328 km (0.117 R)
• M26: 41,175,019 km (0.069 R)
• M27: 41,937,519 km (0.102 R)
• M28: 42,451,089 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675.5

Radius: 4.4

Gravity: 34.89 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.64 AU - 6.82 AU

Year: 11842 Days

Day: 20.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,401,601 km

• M1: 54,753 km (0.046 R)
• M2: 253,419 km (0.103 R)
• M3: 438,172 km (0.069 R)
• M4: 839,244 km (0.048 R)
• M5: 1,036,264 km (0.034 R)
• M6: 1,289,683 km (0.081 R)
• M7: 1,438,234 km (0.107 R)
• M8: 1,628,672 km (0.062 R)
• M9: 2,226,316 km (0.098 R)
• M10: 3,418,012 km (0.114 R)
• M11: 3,651,385 km (0.113 R)
• M12: 3,867,554 km (0.053 R)
• M13: 4,599,087 km (0.092 R)
• M14: 5,315,362 km (0.075 R)
• M15: 5,844,490 km (0.065 R)
• M16: 6,485,816 km (0.048 R)
• M17: 8,315,697 km (0.078 R)
• M18: 10,900,000 km (0.09 R)
• M19: 12,585,070 km (0.103 R)
• M20: 13,078,893 km (0.077 R)
• M21: 13,330,517 km (0.083 R)
• M22: 16,388,596 km (0.106 R)
• M23: 17,809,178 km (0.054 R)
• M24: 18,352,667 km (0.064 R)
• M25: 20,722,447 km (0.101 R)
• M26: 23,751,205 km (0.039 R)
• M27: 24,695,168 km (0.043 R)
• M28: 26,859,400 km (0.092 R)
• M29: 29,576,247 km (0.114 R)
• M30: 32,816,387 km (0.067 R)
• M31: 34,104,874 km (0.099 R)
• M32: 39,204,366 km (0.079 R)
• M33: 40,921,750 km (0.036 R)
• M34: 48,592,530 km (0.111 R)
• M35: 53,082,112 km (0.104 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 16,248 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit