🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.3

Radius: 10.2

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.7 AU - 0.76 AU

Year: 438 Days

Day: 8.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,181,826 km

• M1: 126,859 km (0.1 R)
• M2: 538,702 km (0.061 R)
• M3: 958,922 km (0.106 R)
• M4: 1,294,022 km (0.071 R)
• M5: 1,694,495 km (0.077 R)
• M6: 2,642,048 km (0.107 R)
• M7: 3,784,078 km (0.061 R)
• M8: 4,614,795 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.3

Radius: 11.2

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.9 AU - 0.96 AU

Year: 630 Days

Day: 11 Hours

Environment

Temp: -164 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 72,181,826 km

• M1: 139,575 km (0.098 R)
• M2: 729,439 km (0.096 R)
• M3: 1,133,653 km (0.119 R)
• M4: 1,661,135 km (0.092 R)
• M5: 2,019,571 km (0.058 R)
• M6: 3,134,075 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.2

Radius: 12.8

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.48 AU - 2.38 AU

Year: 1885 Days

Day: 14.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,181,826 km

• M1: 159,172 km (0.093 R)
• M2: 715,527 km (0.074 R)
• M3: 1,152,203 km (0.118 R)
• M4: 3,608,749 km (0.109 R)
• M5: 4,953,335 km (0.101 R)
• M6: 6,189,462 km (0.105 R)
• M7: 7,668,836 km (0.098 R)
• M8: 8,277,549 km (0.111 R)
• M9: 8,735,468 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.4

Radius: 9.5

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.28 AU - 2.44 AU

Year: 2548 Days

Day: 12.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,181,826 km

• M1: 118,182 km (0.078 R)
• M2: 624,870 km (0.075 R)
• M3: 965,355 km (0.093 R)
• M4: 1,288,486 km (0.057 R)
• M5: 1,586,485 km (0.052 R)
• M6: 2,122,046 km (0.027 R)
• M7: 2,454,602 km (0.087 R)
• M8: 2,985,973 km (0.066 R)
• M9: 3,707,334 km (0.093 R)
• M10: 4,860,285 km (0.047 R)
• M11: 5,393,003 km (0.085 R)
• M12: 6,985,323 km (0.112 R)
• M13: 8,904,813 km (0.08 R)
• M14: 9,370,960 km (0.099 R)
• M15: 9,815,715 km (0.108 R)
• M16: 10,908,078 km (0.115 R)
• M17: 11,275,940 km (0.087 R)
• M18: 12,651,193 km (0.113 R)
• M19: 13,240,758 km (0.106 R)
• M20: 13,659,632 km (0.028 R)
• M21: 14,183,374 km (0.048 R)
• M22: 16,149,240 km (0.052 R)
• M23: 16,788,920 km (0.103 R)
• M24: 17,169,796 km (0.106 R)
• M25: 17,780,156 km (0.088 R)
• M26: 18,635,556 km (0.063 R)
• M27: 19,043,959 km (0.097 R)
• M28: 19,818,427 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.3

Radius: 10.9

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.86 AU - 4.34 AU

Year: 4801 Days

Day: 12.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,181,826 km

• M1: 141,669 km (0.066 R)
• M2: 522,545 km (0.088 R)
• M3: 1,300,005 km (0.109 R)
• M4: 1,780,215 km (0.078 R)
• M5: 2,931,370 km (0.058 R)
• M6: 9,081,638 km (0.082 R)
• M7: 10,402,288 km (0.098 R)
• M8: 11,185,134 km (0.039 R)
• M9: 12,994,221 km (0.108 R)
• M10: 14,213,892 km (0.083 R)
• M11: 15,508,512 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.9

Radius: 13.1

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.11 AU - 4.39 AU

Year: 6159 Days

Day: 14.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,181,826 km

• M1: 162,912 km (0.04 R)
• M2: 582,684 km (0.092 R)
• M3: 1,051,673 km (0.055 R)
• M4: 1,768,995 km (0.078 R)
• M5: 2,240,079 km (0.041 R)
• M6: 3,247,171 km (0.1 R)
• M7: 3,811,604 km (0.096 R)
• M8: 5,432,497 km (0.084 R)
• M9: 6,231,649 km (0.08 R)
• M10: 8,352,947 km (0.09 R)
• M11: 8,951,189 km (0.066 R)
• M12: 9,378,739 km (0.112 R)
• M13: 10,066,740 km (0.031 R)
• M14: 11,634,675 km (0.11 R)
• M15: 13,561,645 km (0.101 R)
• M16: 15,637,316 km (0.092 R)
• M17: 17,612,905 km (0.079 R)
• M18: 18,472,943 km (0.054 R)
• M19: 20,210,672 km (0.071 R)
• M20: 21,085,072 km (0.107 R)
• M21: 21,984,604 km (0.076 R)
• M22: 25,296,850 km (0.071 R)
• M23: 25,918,579 km (0.095 R)
• M24: 26,550,630 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834

Radius: 7.7

Gravity: 14.07 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.65 AU - 9.91 AU

Year: 16748 Days

Day: 21.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,181,826 km

• M1: 97,239 km (0.115 R)
• M2: 419,622 km (0.071 R)
• M3: 672,442 km (0.091 R)
• M4: 1,467,854 km (0.091 R)
• M5: 1,853,817 km (0.099 R)
• M6: 2,141,045 km (0.104 R)
• M7: 4,709,341 km (0.068 R)
• M8: 5,100,390 km (0.103 R)
• M9: 5,398,389 km (0.107 R)
• M10: 7,296,935 km (0.067 R)
• M11: 7,919,412 km (0.053 R)
• M12: 8,786,033 km (0.093 R)
• M13: 9,942,125 km (0.056 R)
• M14: 10,231,597 km (0.069 R)
• M15: 10,767,157 km (0.064 R)
• M16: 11,446,780 km (0.106 R)
• M17: 12,154,677 km (0.101 R)
• M18: 20,075,735 km (0.078 R)
• M19: 22,167,263 km (0.067 R)
• M20: 32,115,970 km (0.09 R)
• M21: 36,316,080 km (0.088 R)
• M22: 37,700,159 km (0.108 R)
• M23: 38,832,466 km (0.064 R)
• M24: 39,841,653 km (0.097 R)
• M25: 41,164,846 km (0.102 R)
• M26: 42,063,032 km (0.106 R)
• M27: 43,434,695 km (0.119 R)
• M28: 47,728,453 km (0.115 R)
• M29: 54,060,332 km (0.087 R)
• M30: 57,333,683 km (0.109 R)
• M31: 60,160,634 km (0.085 R)
• M32: 61,511,054 km (0.085 R)
• M33: 62,684,500 km (0.119 R)
• M34: 70,040,825 km (0.088 R)
• M35: 71,750,131 km (0.12 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: 444 - 12,770 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit