🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.7

Radius: 8

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.07 AU - 1.59 AU

Year: 990 Days

Day: 9.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,303,739 km

• M1: 99,483 km (0.113 R)
• M2: 435,479 km (0.07 R)
• M3: 719,566 km (0.075 R)
• M4: 1,037,312 km (0.109 R)
• M5: 1,650,065 km (0.116 R)
• M6: 1,909,617 km (0.081 R)
• M7: 2,493,647 km (0.077 R)
• M8: 3,225,180 km (0.115 R)
• M9: 3,708,531 km (0.09 R)
• M10: 4,717,120 km (0.068 R)
• M11: 5,075,706 km (0.068 R)
• M12: 5,436,237 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.5

Radius: 10.8

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.65 AU - 1.81 AU

Year: 1469 Days

Day: 6.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,303,739 km

• M1: 134,488 km (0.102 R)
• M2: 496,515 km (0.072 R)
• M3: 896,690 km (0.097 R)
• M4: 1,303,895 km (0.086 R)
• M5: 1,712,896 km (0.111 R)
• M6: 2,137,305 km (0.055 R)
• M7: 2,540,321 km (0.102 R)
• M8: 3,032,050 km (0.117 R)
• M9: 3,515,700 km (0.07 R)
• M10: 4,019,096 km (0.086 R)
• M11: 4,570,215 km (0.075 R)
• M12: 5,097,847 km (0.084 R)
• M13: 6,927,877 km (0.117 R)
• M14: 7,843,566 km (0.057 R)
• M15: 8,575,249 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.3

Radius: 8.7

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.76 AU - 2.14 AU

Year: 1758 Days

Day: 14.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 166.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,303,739 km

• M1: 113,395 km (0.109 R)
• M2: 393,143 km (0.063 R)
• M3: 805,136 km (0.118 R)
• M4: 1,100,592 km (0.04 R)
• M5: 2,100,803 km (0.105 R)
• M6: 2,472,853 km (0.102 R)
• M7: 3,113,431 km (0.076 R)
• M8: 3,457,656 km (0.088 R)
• M9: 3,810,557 km (0.117 R)
• M10: 4,082,077 km (0.119 R)
• M11: 4,702,759 km (0.079 R)
• M12: 5,793,926 km (0.117 R)
• M13: 6,293,283 km (0.074 R)
• M14: 6,771,996 km (0.057 R)
• M15: 7,802,127 km (0.099 R)
• M16: 8,270,219 km (0.064 R)
• M17: 9,569,177 km (0.116 R)
• M18: 10,829,689 km (0.093 R)
• M19: 11,273,546 km (0.059 R)
• M20: 12,161,260 km (0.109 R)

Asteroid Belt

Center: 2.45 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.3

Radius: 8.5

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.38 AU - 3.52 AU

Year: 3272 Days

Day: 6.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,303,739 km

• M1: 108,309 km (0.114 R)
• M2: 623,674 km (0.086 R)
• M3: 1,053,319 km (0.119 R)
• M4: 1,445,863 km (0.094 R)
• M5: 1,729,052 km (0.098 R)
• M6: 2,620,955 km (0.042 R)
• M7: 3,556,091 km (0.088 R)
• M8: 4,380,974 km (0.109 R)
• M9: 7,056,532 km (0.076 R)
• M10: 7,335,232 km (0.093 R)
• M11: 7,621,413 km (0.048 R)
• M12: 8,594,846 km (0.117 R)
• M13: 9,762,458 km (0.088 R)
• M14: 10,226,510 km (0.045 R)
• M15: 11,578,875 km (0.109 R)
• M16: 16,079,527 km (0.066 R)
• M17: 19,919,106 km (0.111 R)
• M18: 21,046,326 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.3

Radius: 13

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.94 AU - 3.64 AU

Year: 3853 Days

Day: 10.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,303,739 km

• M1: 162,014 km (0.077 R)
• M2: 639,980 km (0.082 R)
• M3: 1,579,903 km (0.081 R)
• M4: 2,024,358 km (0.113 R)
• M5: 3,390,636 km (0.056 R)
• M6: 3,968,682 km (0.099 R)
• M7: 5,805,445 km (0.12 R)
• M8: 6,884,045 km (0.06 R)
• M9: 7,398,063 km (0.062 R)
• M10: 8,343,522 km (0.089 R)
• M11: 8,995,170 km (0.108 R)
• M12: 9,715,634 km (0.098 R)
• M13: 10,253,588 km (0.064 R)
• M14: 10,735,891 km (0.039 R)
• M15: 12,649,398 km (0.093 R)
• M16: 14,135,802 km (0.113 R)
• M17: 15,349,041 km (0.072 R)
• M18: 16,630,346 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.4

Radius: 12.4

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.97 AU - 5.73 AU

Year: 6896 Days

Day: 7.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,303,739 km

• M1: 154,235 km (0.104 R)
• M2: 703,409 km (0.047 R)
• M3: 3,260,336 km (0.119 R)
• M4: 3,946,841 km (0.114 R)
• M5: 4,675,831 km (0.041 R)
• M6: 5,785,548 km (0.108 R)
• M7: 8,482,648 km (0.105 R)
• M8: 9,529,235 km (0.093 R)
• M9: 10,750,701 km (0.096 R)
• M10: 15,270,502 km (0.057 R)
• M11: 18,661,736 km (0.116 R)
• M12: 22,675,596 km (0.101 R)
• M13: 26,142,826 km (0.119 R)
• M14: 29,498,755 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.8

Radius: 12.9

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.06 AU - 6.5 AU

Year: 8972 Days

Day: 13.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,303,739 km

• M1: 162,613 km (0.064 R)
• M2: 619,186 km (0.112 R)
• M3: 2,069,387 km (0.108 R)
• M4: 4,460,261 km (0.108 R)
• M5: 5,127,018 km (0.093 R)
• M6: 8,302,083 km (0.107 R)
• M7: 10,611,426 km (0.097 R)
• M8: 11,914,124 km (0.08 R)
• M9: 12,487,383 km (0.103 R)
• M10: 14,001,463 km (0.12 R)
• M11: 16,602,970 km (0.118 R)
• M12: 21,968,597 km (0.079 R)
• M13: 23,183,182 km (0.102 R)
• M14: 23,627,637 km (0.055 R)
• M15: 25,181,361 km (0.087 R)
• M16: 33,644,412 km (0.059 R)
• M17: 35,023,405 km (0.097 R)
• M18: 35,491,347 km (0.084 R)
• M19: 36,439,797 km (0.099 R)
• M20: 37,648,997 km (0.105 R)
• M21: 43,963,822 km (0.119 R)
• M22: 46,029,619 km (0.069 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: 445 - 13,240 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit