🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.5

Radius: 14.8

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.62 AU - 0.78 AU

Year: 397 Days

Day: 10.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 41,599,470 km

• M1: 184,305 km (0.12 R)
• M2: 659,577 km (0.05 R)
• M3: 1,429,707 km (0.097 R)
• M4: 1,947,914 km (0.066 R)
• M5: 2,730,161 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.4

Radius: 8.5

Gravity: 13.15 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.65 AU - 1.07 AU

Year: 541 Days

Day: 7.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,599,470 km

• M1: 105,766 km (0.104 R)
• M2: 426,204 km (0.089 R)
• M3: 692,788 km (0.052 R)
• M4: 1,190,649 km (0.1 R)
• M5: 1,487,601 km (0.093 R)
• M6: 1,759,121 km (0.115 R)
• M7: 2,873,625 km (0.063 R)
• M8: 3,455,262 km (0.12 R)
• M9: 3,781,385 km (0.098 R)
• M10: 4,370,801 km (0.081 R)
• M11: 4,639,329 km (0.078 R)
• M12: 5,020,205 km (0.091 R)
• M13: 5,695,041 km (0.042 R)
• M14: 7,073,436 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.6

Radius: 11.2

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.89 AU - 1.15 AU

Year: 699 Days

Day: 7.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,599,470 km

• M1: 139,276 km (0.087 R)
• M2: 542,591 km (0.088 R)
• M3: 902,674 km (0.059 R)
• M4: 1,557,763 km (0.081 R)
• M5: 2,298,571 km (0.084 R)
• M6: 2,732,854 km (0.068 R)
• M7: 3,711,224 km (0.087 R)
• M8: 4,604,323 km (0.095 R)
• M9: 5,428,608 km (0.069 R)
• M10: 6,410,718 km (0.055 R)
• M11: 8,321,830 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.8

Radius: 13

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.39 AU - 1.81 AU

Year: 1373 Days

Day: 14.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,599,470 km

• M1: 161,715 km (0.047 R)
• M2: 690,693 km (0.103 R)
• M3: 1,546,842 km (0.061 R)
• M4: 2,473,451 km (0.078 R)
• M5: 3,003,327 km (0.103 R)
• M6: 3,435,665 km (0.063 R)
• M7: 3,863,365 km (0.07 R)
• M8: 4,598,489 km (0.09 R)
• M9: 6,198,139 km (0.055 R)
• M10: 7,136,716 km (0.043 R)
• M11: 8,142,163 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.1

Radius: 10.3

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.56 AU - 2.34 AU

Year: 1847 Days

Day: 14.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,599,470 km

• M1: 128,056 km (0.088 R)
• M2: 606,769 km (0.103 R)
• M3: 930,948 km (0.05 R)
• M4: 1,322,744 km (0.106 R)
• M5: 1,717,234 km (0.051 R)
• M6: 2,103,496 km (0.078 R)
• M7: 2,533,739 km (0.116 R)
• M8: 3,485,630 km (0.104 R)
• M9: 4,269,074 km (0.066 R)
• M10: 4,875,694 km (0.113 R)
• M11: 5,538,861 km (0.086 R)
• M12: 6,313,180 km (0.084 R)
• M13: 7,416,913 km (0.082 R)
• M14: 8,807,126 km (0.037 R)
• M15: 9,546,887 km (0.049 R)
• M16: 10,437,144 km (0.098 R)
• M17: 10,845,995 km (0.104 R)
• M18: 11,975,310 km (0.047 R)
• M19: 14,193,996 km (0.115 R)
• M20: 15,022,169 km (0.12 R)
• M21: 16,623,615 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.9

Radius: 14.4

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.53 AU - 5.83 AU

Year: 7996 Days

Day: 13.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 41,599,470 km

• M1: 184,753 km (0.09 R)
• M2: 1,002,007 km (0.053 R)
• M3: 1,674,000 km (0.064 R)
• M4: 2,124,439 km (0.104 R)
• M5: 3,040,427 km (0.101 R)
• M6: 3,674,124 km (0.074 R)
• M7: 4,732,379 km (0.082 R)
• M8: 5,302,197 km (0.091 R)
• M9: 6,799,971 km (0.063 R)
• M10: 8,960,164 km (0.058 R)
• M11: 9,788,637 km (0.07 R)
• M12: 10,567,294 km (0.102 R)
• M13: 12,138,820 km (0.082 R)
• M14: 13,682,072 km (0.118 R)
• M15: 14,408,519 km (0.1 R)
• M16: 15,481,734 km (0.054 R)
• M17: 16,270,713 km (0.083 R)
• M18: 17,716,128 km (0.112 R)
• M19: 18,726,213 km (0.094 R)
• M20: 19,471,060 km (0.097 R)
• M21: 20,468,729 km (0.114 R)
• M22: 25,701,812 km (0.115 R)
• M23: 30,626,125 km (0.068 R)
• M24: 31,140,442 km (0.102 R)
• M25: 32,186,281 km (0.119 R)
• M26: 34,680,676 km (0.113 R)
• M27: 36,031,994 km (0.069 R)
• M28: 38,006,237 km (0.083 R)
• M29: 42,423,413 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420.5

Radius: 3.2

Gravity: 41.06 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.14 AU - 6.14 AU

Year: 10319 Days

Day: 24.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 41,599,470 km

• M1: 39,793 km (0.114 R)
• M2: 166,502 km (0.049 R)
• M3: 311,612 km (0.082 R)
• M4: 942,317 km (0.083 R)
• M5: 1,128,566 km (0.073 R)
• M6: 1,289,982 km (0.067 R)
• M7: 2,543,164 km (0.108 R)
• M8: 2,904,143 km (0.109 R)
• M9: 3,484,284 km (0.084 R)
• M10: 3,928,739 km (0.12 R)
• M11: 4,327,118 km (0.108 R)
• M12: 6,053,627 km (0.101 R)
• M13: 6,547,600 km (0.119 R)
• M14: 6,767,359 km (0.055 R)
• M15: 7,221,688 km (0.026 R)
• M16: 9,061,592 km (0.113 R)
• M17: 9,896,797 km (0.079 R)
• M18: 10,333,024 km (0.09 R)
• M19: 10,731,403 km (0.086 R)
• M20: 11,400,555 km (0.12 R)
• M21: 13,049,871 km (0.073 R)
• M22: 15,551,895 km (0.114 R)
• M23: 16,140,862 km (0.063 R)
• M24: 16,812,557 km (0.107 R)
• M25: 17,996,923 km (0.07 R)
• M26: 18,573,024 km (0.111 R)
• M27: 21,159,123 km (0.101 R)
• M28: 23,717,246 km (0.101 R)
• M29: 24,848,805 km (0.051 R)
• M30: 25,293,410 km (0.085 R)
• M31: 25,562,686 km (0.119 R)
• M32: 26,015,668 km (0.066 R)
• M33: 27,312,682 km (0.095 R)
• M34: 27,596,170 km (0.104 R)
• M35: 29,141,067 km (0.112 R)
• M36: 30,034,765 km (0.116 R)
• M37: 37,386,602 km (0.084 R)
• M38: 37,619,377 km (0.094 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 10,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit