🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.7

Radius: 12.1

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.64 AU - 0.94 AU

Year: 494 Days

Day: 12 Hours

Environment

Temp: -158 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,783,725 km

• M1: 150,495 km (0.087 R)
• M2: 565,929 km (0.109 R)
• M3: 1,140,833 km (0.112 R)
• M4: 1,563,148 km (0.077 R)
• M5: 2,715,650 km (0.106 R)
• M6: 3,124,651 km (0.102 R)
• M7: 3,664,998 km (0.058 R)
• M8: 5,046,535 km (0.068 R)
• M9: 5,669,759 km (0.105 R)
• M10: 6,175,101 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.1

Radius: 9.3

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.76 AU - 0.9 AU

Year: 532 Days

Day: 12.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,783,725 km

• M1: 115,639 km (0.058 R)
• M2: 425,157 km (0.097 R)
• M3: 815,159 km (0.073 R)
• M4: 1,163,273 km (0.091 R)
• M5: 1,649,466 km (0.108 R)
• M6: 2,106,039 km (0.028 R)
• M7: 2,570,690 km (0.115 R)
• M8: 2,959,943 km (0.083 R)
• M9: 3,413,973 km (0.047 R)
• M10: 4,071,904 km (0.094 R)
• M11: 5,602,739 km (0.086 R)
• M12: 6,720,236 km (0.106 R)
• M13: 7,375,325 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.5

Radius: 12

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.96 AU - 1.08 AU

Year: 724 Days

Day: 5.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,783,725 km

• M1: 149,299 km (0.111 R)
• M2: 591,660 km (0.118 R)
• M3: 969,993 km (0.116 R)
• M4: 1,381,387 km (0.097 R)
• M5: 1,956,142 km (0.104 R)
• M6: 2,351,679 km (0.093 R)
• M7: 2,967,573 km (0.087 R)
• M8: 3,590,947 km (0.058 R)
• M9: 4,099,131 km (0.078 R)
• M10: 4,705,003 km (0.1 R)
• M11: 5,461,968 km (0.113 R)
• M12: 5,879,645 km (0.12 R)
• M13: 6,462,927 km (0.11 R)
• M14: 6,887,486 km (0.103 R)
• M15: 7,911,483 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.6

Radius: 14.5

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.35 AU - 1.53 AU

Year: 1215 Days

Day: 13.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,783,725 km

• M1: 180,714 km (0.062 R)
• M2: 674,537 km (0.048 R)
• M3: 1,205,609 km (0.082 R)
• M4: 1,721,273 km (0.113 R)
• M5: 2,182,783 km (0.111 R)
• M6: 2,858,815 km (0.075 R)
• M7: 3,609,198 km (0.09 R)
• M8: 4,220,754 km (0.115 R)
• M9: 4,939,871 km (0.115 R)
• M10: 5,675,145 km (0.107 R)
• M11: 6,319,612 km (0.097 R)
• M12: 7,288,558 km (0.043 R)
• M13: 8,382,417 km (0.11 R)
• M14: 9,613,758 km (0.115 R)
• M15: 11,682,696 km (0.077 R)

Asteroid Belt

Center: 2.3 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.3

Radius: 12.7

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.47 AU - 3.83 AU

Year: 3930 Days

Day: 12.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,783,725 km

• M1: 186,549 km (0.083 R)
• M2: 754,871 km (0.064 R)
• M3: 1,311,525 km (0.111 R)
• M4: 1,741,618 km (0.115 R)
• M5: 2,434,257 km (0.078 R)
• M6: 3,705,988 km (0.073 R)
• M7: 4,370,951 km (0.105 R)
• M8: 4,984,900 km (0.06 R)
• M9: 5,516,721 km (0.073 R)
• M10: 6,115,860 km (0.079 R)
• M11: 6,758,084 km (0.079 R)
• M12: 7,243,978 km (0.082 R)
• M13: 7,928,238 km (0.053 R)
• M14: 9,189,947 km (0.04 R)
• M15: 10,410,815 km (0.112 R)
• M16: 10,972,256 km (0.095 R)
• M17: 11,968,578 km (0.106 R)
• M18: 14,036,918 km (0.05 R)
• M19: 15,046,853 km (0.05 R)
• M20: 18,492,990 km (0.098 R)
• M21: 21,799,103 km (0.043 R)
• M22: 25,635,989 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 223.7

Radius: 3

Gravity: 24.86 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.5 AU - 8.02 AU

Year: 12355 Days

Day: 24.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 85,783,725 km

• M1: 37,250 km (0.098 R)
• M2: 247,884 km (0.073 R)
• M3: 436,078 km (0.088 R)
• M4: 595,699 km (0.079 R)
• M5: 743,950 km (0.098 R)
• M6: 1,490,444 km (0.119 R)
• M7: 1,707,360 km (0.117 R)
• M8: 3,854,838 km (0.076 R)
• M9: 5,531,381 km (0.069 R)
• M10: 5,689,805 km (0.032 R)
• M11: 5,818,759 km (0.117 R)
• M12: 7,835,188 km (0.087 R)
• M13: 7,994,809 km (0.085 R)
• M14: 9,396,093 km (0.112 R)
• M15: 11,102,556 km (0.092 R)
• M16: 12,728,385 km (0.065 R)
• M17: 14,929,269 km (0.033 R)
• M18: 15,673,668 km (0.118 R)
• M19: 17,169,198 km (0.089 R)
• M20: 17,438,624 km (0.098 R)
• M21: 17,847,924 km (0.074 R)
• M22: 18,757,030 km (0.042 R)
• M23: 18,899,597 km (0.087 R)
• M24: 19,259,080 km (0.094 R)
• M25: 19,404,041 km (0.092 R)
• M26: 20,666,796 km (0.057 R)
• M27: 20,971,677 km (0.075 R)
• M28: 22,621,592 km (0.098 R)
• M29: 24,440,702 km (0.087 R)
• M30: 26,623,484 km (0.046 R)
• M31: 28,460,696 km (0.105 R)
• M32: 29,123,115 km (0.09 R)
• M33: 31,172,008 km (0.119 R)
• M34: 37,213,518 km (0.109 R)
• M35: 37,777,950 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.8

Radius: 4.6

Gravity: 43.94 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 9.36 AU - 9.62 AU

Year: 20550 Days

Day: 23.3 Hours

Environment

Temp: -244 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 85,783,725 km

• M1: 66,721 km (0.041 R)
• M2: 236,963 km (0.114 R)
• M3: 516,711 km (0.097 R)
• M4: 2,441,886 km (0.087 R)
• M5: 3,222,787 km (0.074 R)
• M6: 5,026,040 km (0.112 R)
• M7: 5,794,374 km (0.117 R)
• M8: 6,825,552 km (0.093 R)
• M9: 8,026,375 km (0.109 R)
• M10: 8,293,108 km (0.086 R)
• M11: 8,676,527 km (0.067 R)
• M12: 8,957,621 km (0.068 R)
• M13: 9,419,879 km (0.112 R)
• M14: 11,362,108 km (0.048 R)
• M15: 12,747,833 km (0.108 R)
• M16: 14,011,037 km (0.102 R)
• M17: 16,957,068 km (0.038 R)
• M18: 17,753,378 km (0.117 R)
• M19: 20,291,156 km (0.103 R)
• M20: 23,167,923 km (0.065 R)
• M21: 23,599,812 km (0.036 R)
• M22: 25,267,679 km (0.097 R)
• M23: 26,657,144 km (0.109 R)
• M24: 31,921,343 km (0.039 R)
• M25: 32,725,731 km (0.106 R)
• M26: 35,078,008 km (0.061 R)
• M27: 35,647,527 km (0.082 R)
• M28: 37,245,232 km (0.117 R)
• M29: 39,807,245 km (0.12 R)
• M30: 42,163,412 km (0.053 R)
• M31: 48,019,121 km (0.083 R)
• M32: 49,965,689 km (0.101 R)
• M33: 50,867,614 km (0.088 R)
• M34: 51,231,436 km (0.119 R)
• M35: 51,413,946 km (0.047 R)
• M36: 65,299,171 km (0.112 R)
• M37: 68,789,738 km (0.1 R)
• M38: 71,944,159 km (0.105 R)
• M39: 82,233,351 km (0.109 R)
• M40: 85,526,748 km (0.116 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 16,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit