🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.6

Radius: 13.8

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.7 AU - 1.08 AU

Year: 569 Days

Day: 11.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,081,052 km

• M1: 174,132 km (0.088 R)
• M2: 693,835 km (0.115 R)
• M3: 1,371,663 km (0.119 R)
• M4: 1,816,118 km (0.059 R)
• M5: 2,395,959 km (0.057 R)
• M6: 2,856,871 km (0.093 R)
• M7: 3,377,621 km (0.075 R)
• M8: 4,292,412 km (0.078 R)
• M9: 5,267,939 km (0.046 R)
• M10: 5,843,742 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.9

Radius: 10.6

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.57 AU - 3.15 AU

Year: 3281 Days

Day: 14.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,081,052 km

• M1: 131,945 km (0.096 R)
• M2: 480,359 km (0.036 R)
• M3: 1,045,240 km (0.04 R)
• M4: 2,098,110 km (0.062 R)
• M5: 2,688,723 km (0.114 R)
• M6: 3,147,390 km (0.055 R)
• M7: 4,367,510 km (0.105 R)
• M8: 5,879,196 km (0.116 R)
• M9: 6,299,566 km (0.086 R)
• M10: 7,083,758 km (0.118 R)
• M11: 7,837,582 km (0.11 R)
• M12: 9,434,240 km (0.073 R)
• M13: 9,938,235 km (0.086 R)
• M14: 10,309,238 km (0.104 R)
• M15: 11,118,413 km (0.074 R)
• M16: 12,432,181 km (0.1 R)
• M17: 12,819,640 km (0.092 R)
• M18: 15,218,741 km (0.088 R)
• M19: 16,318,585 km (0.108 R)
• M20: 17,848,372 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.5

Radius: 13.1

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.76 AU - 4.38 AU

Year: 5569 Days

Day: 14.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,081,052 km

• M1: 162,912 km (0.075 R)
• M2: 913,893 km (0.109 R)
• M3: 1,334,263 km (0.068 R)
• M4: 2,956,802 km (0.057 R)
• M5: 3,976,611 km (0.063 R)
• M6: 4,818,697 km (0.098 R)
• M7: 5,321,645 km (0.097 R)
• M8: 7,829,504 km (0.045 R)
• M9: 9,152,398 km (0.07 R)
• M10: 10,330,331 km (0.045 R)
• M11: 10,744,717 km (0.107 R)
• M12: 14,678,393 km (0.114 R)
• M13: 16,068,457 km (0.111 R)
• M14: 18,315,567 km (0.096 R)
• M15: 23,283,562 km (0.076 R)
• M16: 24,433,521 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921

Radius: 9.5

Gravity: 10.2 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.11 AU - 6.15 AU

Year: 9061 Days

Day: 9.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 81,081,052 km

• M1: 119,379 km (0.096 R)
• M2: 420,968 km (0.094 R)
• M3: 801,246 km (0.119 R)
• M4: 1,145,920 km (0.097 R)
• M5: 1,479,373 km (0.08 R)
• M6: 1,814,622 km (0.07 R)
• M7: 2,366,638 km (0.105 R)
• M8: 3,701,500 km (0.087 R)
• M9: 4,385,462 km (0.101 R)
• M10: 4,712,034 km (0.114 R)
• M11: 6,075,768 km (0.074 R)
• M12: 7,147,188 km (0.102 R)
• M13: 8,430,139 km (0.043 R)
• M14: 9,270,131 km (0.11 R)
• M15: 9,611,364 km (0.082 R)
• M16: 10,062,551 km (0.113 R)
• M17: 10,686,075 km (0.116 R)
• M18: 11,839,026 km (0.086 R)
• M19: 13,194,682 km (0.088 R)
• M20: 14,520,418 km (0.086 R)
• M21: 15,863,508 km (0.076 R)
• M22: 17,582,238 km (0.066 R)
• M23: 18,181,826 km (0.106 R)
• M24: 19,501,130 km (0.093 R)
• M25: 22,329,427 km (0.071 R)
• M26: 23,032,687 km (0.12 R)
• M27: 26,478,524 km (0.076 R)
• M28: 31,114,412 km (0.046 R)
• M29: 39,484,712 km (0.079 R)
• M30: 41,690,533 km (0.075 R)
• M31: 44,251,499 km (0.08 R)
• M32: 47,345,931 km (0.036 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.2

Radius: 4.8

Gravity: 16.15 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.65 AU - 6.47 AU

Year: 10118 Days

Day: 23.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,081,052 km

• M1: 59,690 km (0.109 R)
• M2: 308,920 km (0.074 R)
• M3: 590,313 km (0.113 R)
• M4: 1,059,901 km (0.094 R)
• M5: 1,648,120 km (0.085 R)
• M6: 2,053,530 km (0.057 R)
• M7: 2,559,919 km (0.043 R)
• M8: 3,124,202 km (0.106 R)
• M9: 3,299,680 km (0.117 R)
• M10: 6,019,818 km (0.071 R)
• M11: 6,825,104 km (0.11 R)
• M12: 8,689,991 km (0.106 R)
• M13: 10,185,820 km (0.116 R)
• M14: 11,687,334 km (0.079 R)
• M15: 14,507,702 km (0.108 R)
• M16: 14,997,486 km (0.109 R)
• M17: 17,338,393 km (0.096 R)
• M18: 18,452,897 km (0.102 R)
• M19: 23,640,204 km (0.105 R)
• M20: 24,062,219 km (0.075 R)
• M21: 28,468,176 km (0.079 R)
• M22: 29,042,033 km (0.106 R)
• M23: 33,807,174 km (0.101 R)
• M24: 39,303,101 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.1

Radius: 6.2

Gravity: 19.98 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 9.34 AU - 10.24 AU

Year: 20776 Days

Day: 18.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,081,052 km

• M1: 200,312 km (0.058 R)
• M2: 632,649 km (0.068 R)
• M3: 1,128,417 km (0.078 R)
• M4: 2,537,329 km (0.103 R)
• M5: 3,793,802 km (0.111 R)
• M6: 4,557,200 km (0.083 R)
• M7: 6,121,545 km (0.117 R)
• M8: 6,698,843 km (0.115 R)
• M9: 8,327,216 km (0.103 R)
• M10: 9,548,982 km (0.099 R)
• M11: 10,324,647 km (0.109 R)
• M12: 12,691,135 km (0.063 R)
• M13: 17,574,010 km (0.113 R)
• M14: 20,622,665 km (0.11 R)
• M15: 21,914,592 km (0.072 R)
• M16: 26,342,091 km (0.036 R)
• M17: 38,370,059 km (0.069 R)
• M18: 39,863,793 km (0.106 R)
• M19: 42,019,499 km (0.082 R)
• M20: 45,893,635 km (0.111 R)
• M21: 57,182,440 km (0.085 R)
• M22: 69,090,131 km (0.115 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 16,520 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit