🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432

Radius: 13.1

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.81 AU - 0.99 AU

Year: 543 Days

Day: 8.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,372,484 km

• M1: 162,912 km (0.036 R)
• M2: 628,161 km (0.078 R)
• M3: 1,310,178 km (0.032 R)
• M4: 2,328,640 km (0.073 R)
• M5: 2,871,830 km (0.108 R)
• M6: 3,962,548 km (0.082 R)
• M7: 4,892,150 km (0.075 R)
• M8: 5,606,031 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.3

Radius: 10.4

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.61 AU - 1.85 AU

Year: 1447 Days

Day: 5.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,372,484 km

• M1: 150,047 km (0.11 R)
• M2: 483,052 km (0.057 R)
• M3: 869,463 km (0.058 R)
• M4: 1,210,845 km (0.077 R)
• M5: 2,401,495 km (0.093 R)
• M6: 2,726,272 km (0.113 R)
• M7: 3,135,571 km (0.061 R)
• M8: 3,963,745 km (0.092 R)
• M9: 5,103,980 km (0.099 R)
• M10: 5,877,401 km (0.029 R)
• M11: 7,404,047 km (0.094 R)
• M12: 7,967,433 km (0.116 R)
• M13: 8,367,607 km (0.107 R)
• M14: 9,590,121 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.3

Radius: 9.1

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.9 AU - 2.86 AU

Year: 2335 Days

Day: 13.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,372,484 km

• M1: 113,246 km (0.09 R)
• M2: 565,480 km (0.1 R)
• M3: 2,998,989 km (0.106 R)
• M4: 3,498,496 km (0.057 R)
• M5: 4,793,116 km (0.093 R)
• M6: 5,867,528 km (0.081 R)
• M7: 8,389,598 km (0.105 R)
• M8: 9,109,912 km (0.117 R)
• M9: 10,450,159 km (0.112 R)
• M10: 14,924,931 km (0.066 R)
• M11: 16,477,757 km (0.064 R)
• M12: 16,984,445 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479

Radius: 13.8

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.13 AU - 3.69 AU

Year: 4004 Days

Day: 13.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,372,484 km

• M1: 172,337 km (0.11 R)
• M2: 1,574,667 km (0.111 R)
• M3: 2,072,978 km (0.115 R)
• M4: 2,870,484 km (0.118 R)
• M5: 5,799,012 km (0.108 R)
• M6: 6,588,440 km (0.115 R)
• M7: 10,932,612 km (0.11 R)
• M8: 12,005,080 km (0.072 R)
• M9: 13,288,180 km (0.088 R)
• M10: 15,592,137 km (0.073 R)
• M11: 16,950,486 km (0.118 R)
• M12: 17,458,371 km (0.118 R)
• M13: 21,108,110 km (0.099 R)
• M14: 22,565,193 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.6

Radius: 13.8

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.95 AU - 3.99 AU

Year: 4110 Days

Day: 11 Hours

Environment

Temp: -202 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,372,484 km

• M1: 172,636 km (0.119 R)
• M2: 680,222 km (0.077 R)
• M3: 1,138,290 km (0.096 R)
• M4: 1,629,420 km (0.074 R)
• M5: 2,077,017 km (0.107 R)
• M6: 2,933,315 km (0.046 R)
• M7: 3,991,870 km (0.12 R)
• M8: 4,428,695 km (0.082 R)
• M9: 5,482,313 km (0.086 R)
• M10: 6,263,214 km (0.072 R)
• M11: 6,824,206 km (0.097 R)
• M12: 8,191,979 km (0.062 R)
• M13: 8,979,762 km (0.102 R)
• M14: 9,941,227 km (0.114 R)
• M15: 10,447,167 km (0.092 R)
• M16: 13,240,309 km (0.113 R)
• M17: 14,379,048 km (0.061 R)
• M18: 15,027,256 km (0.104 R)
• M19: 15,808,007 km (0.101 R)
• M20: 18,501,816 km (0.072 R)
• M21: 20,798,891 km (0.105 R)
• M22: 21,558,400 km (0.083 R)
• M23: 22,408,115 km (0.102 R)
• M24: 24,937,217 km (0.087 R)
• M25: 26,510,837 km (0.084 R)
• M26: 27,158,596 km (0.069 R)
• M27: 27,816,677 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480

Radius: 8

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.51 AU - 4.85 AU

Year: 5434 Days

Day: 6.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,372,484 km

• M1: 99,632 km (0.076 R)
• M2: 372,499 km (0.104 R)
• M3: 693,386 km (0.085 R)
• M4: 1,161,627 km (0.116 R)
• M5: 1,601,146 km (0.111 R)
• M6: 2,004,163 km (0.083 R)
• M7: 2,329,987 km (0.042 R)
• M8: 3,737,703 km (0.116 R)
• M9: 5,087,375 km (0.102 R)
• M10: 5,526,295 km (0.102 R)
• M11: 6,670,719 km (0.104 R)
• M12: 7,029,604 km (0.101 R)
• M13: 7,680,055 km (0.11 R)
• M14: 8,558,195 km (0.069 R)
• M15: 10,382,391 km (0.051 R)
• M16: 11,640,210 km (0.051 R)
• M17: 11,969,924 km (0.089 R)
• M18: 13,454,234 km (0.118 R)
• M19: 15,675,762 km (0.046 R)
• M20: 17,509,982 km (0.112 R)
• M21: 18,574,371 km (0.048 R)
• M22: 19,089,885 km (0.111 R)
• M23: 21,038,996 km (0.106 R)
• M24: 23,191,260 km (0.062 R)
• M25: 25,565,079 km (0.096 R)
• M26: 26,122,631 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906.8

Radius: 4.4

Gravity: 46.84 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 6.73 AU - 7.91 AU

Year: 12592 Days

Day: 24.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,372,484 km

• M1: 54,753 km (0.109 R)
• M2: 208,988 km (0.085 R)
• M3: 590,762 km (0.098 R)
• M4: 734,675 km (0.084 R)
• M5: 902,374 km (0.105 R)
• M6: 1,235,080 km (0.098 R)
• M7: 1,777,372 km (0.076 R)
• M8: 2,008,052 km (0.098 R)
• M9: 2,507,560 km (0.078 R)
• M10: 3,445,987 km (0.079 R)
• M11: 3,862,467 km (0.04 R)
• M12: 4,828,570 km (0.057 R)
• M13: 7,401,953 km (0.104 R)
• M14: 7,582,368 km (0.077 R)
• M15: 7,858,227 km (0.09 R)
• M16: 8,045,822 km (0.107 R)
• M17: 9,871,814 km (0.101 R)
• M18: 11,291,198 km (0.115 R)
• M19: 11,590,544 km (0.025 R)
• M20: 12,267,773 km (0.073 R)
• M21: 12,520,444 km (0.06 R)
• M22: 13,633,303 km (0.103 R)
• M23: 13,972,740 km (0.057 R)
• M24: 14,179,036 km (0.058 R)
• M25: 19,420,197 km (0.053 R)
• M26: 20,198,106 km (0.096 R)
• M27: 22,187,010 km (0.112 R)
• M28: 25,613,998 km (0.096 R)
• M29: 29,041,435 km (0.093 R)
• M30: 31,922,690 km (0.049 R)
• M31: 45,957,962 km (0.102 R)
• M32: 51,146,914 km (0.115 R)
• M33: 52,130,520 km (0.071 R)
• M34: 54,304,775 km (0.059 R)
• M35: 55,844,885 km (0.092 R)
• M36: 59,012,022 km (0.078 R)
• M37: 60,457,287 km (0.073 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 15,600 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit