🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.1

Radius: 14.9

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.53 AU - 0.75 AU

Year: 353 Days

Day: 14.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 67,012,498 km

• M1: 185,352 km (0.113 R)
• M2: 709,991 km (0.026 R)
• M3: 1,666,670 km (0.074 R)
• M4: 2,268,502 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.6

Radius: 8.3

Gravity: 13.38 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.43 AU - 1.57 AU

Year: 1268 Days

Day: 11.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,012,498 km

• M1: 103,223 km (0.071 R)
• M2: 592,557 km (0.069 R)
• M3: 938,727 km (0.068 R)
• M4: 1,393,205 km (0.084 R)
• M5: 1,809,985 km (0.056 R)
• M6: 2,308,146 km (0.105 R)
• M7: 2,622,750 km (0.088 R)
• M8: 3,626,552 km (0.119 R)
• M9: 4,000,696 km (0.053 R)
• M10: 4,270,421 km (0.119 R)
• M11: 4,866,718 km (0.037 R)
• M12: 5,761,612 km (0.117 R)
• M13: 6,344,147 km (0.067 R)
• M14: 6,712,157 km (0.095 R)
• M15: 8,386,606 km (0.08 R)
• M16: 8,800,244 km (0.077 R)
• M17: 9,700,375 km (0.119 R)
• M18: 11,865,355 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.9

Radius: 13.8

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.35 AU - 1.93 AU

Year: 1450 Days

Day: 9.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,012,498 km

• M1: 173,833 km (0.07 R)
• M2: 787,483 km (0.066 R)
• M3: 1,518,269 km (0.107 R)
• M4: 2,218,686 km (0.102 R)
• M5: 3,691,178 km (0.029 R)
• M6: 4,456,521 km (0.071 R)
• M7: 4,987,144 km (0.058 R)
• M8: 5,699,828 km (0.097 R)
• M9: 6,906,784 km (0.038 R)
• M10: 7,868,698 km (0.102 R)
• M11: 8,514,064 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.9

Radius: 8.2

Gravity: 13.64 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.07 AU - 5.09 AU

Year: 5689 Days

Day: 6.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,012,498 km

• M1: 102,175 km (0.083 R)
• M2: 536,308 km (0.116 R)
• M3: 939,175 km (0.045 R)
• M4: 1,343,389 km (0.117 R)
• M5: 2,149,721 km (0.046 R)
• M6: 3,037,884 km (0.113 R)
• M7: 3,331,993 km (0.112 R)
• M8: 3,832,847 km (0.052 R)
• M9: 4,787,281 km (0.051 R)
• M10: 5,608,873 km (0.117 R)
• M11: 8,310,760 km (0.099 R)
• M12: 8,762,845 km (0.118 R)
• M13: 9,582,492 km (0.093 R)
• M14: 9,896,946 km (0.085 R)
• M15: 10,594,072 km (0.063 R)
• M16: 11,523,674 km (0.112 R)
• M17: 12,453,424 km (0.04 R)
• M18: 12,936,775 km (0.073 R)
• M19: 13,321,242 km (0.119 R)
• M20: 13,883,730 km (0.064 R)
• M21: 14,228,702 km (0.09 R)
• M22: 15,481,435 km (0.111 R)
• M23: 18,549,089 km (0.107 R)
• M24: 21,081,033 km (0.1 R)
• M25: 22,785,401 km (0.069 R)
• M26: 23,998,939 km (0.114 R)
• M27: 24,412,877 km (0.092 R)
• M28: 25,942,515 km (0.079 R)
• M29: 27,354,868 km (0.058 R)
• M30: 29,191,631 km (0.109 R)
• M31: 30,140,081 km (0.032 R)
• M32: 30,428,506 km (0.053 R)
• M33: 31,700,238 km (0.061 R)
• M34: 32,198,548 km (0.11 R)
• M35: 33,518,899 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.7

Radius: 8

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.99 AU - 4.51 AU

Year: 6048 Days

Day: 12.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,012,498 km

• M1: 100,081 km (0.12 R)
• M2: 454,179 km (0.091 R)
• M3: 1,348,774 km (0.117 R)
• M4: 1,670,260 km (0.108 R)
• M5: 2,203,726 km (0.106 R)
• M6: 2,518,779 km (0.11 R)
• M7: 3,010,657 km (0.115 R)
• M8: 3,379,865 km (0.108 R)
• M9: 3,844,815 km (0.108 R)
• M10: 5,669,610 km (0.098 R)
• M11: 7,201,043 km (0.119 R)
• M12: 7,579,675 km (0.084 R)
• M13: 8,489,380 km (0.073 R)
• M14: 9,716,382 km (0.097 R)
• M15: 10,480,827 km (0.08 R)
• M16: 10,788,699 km (0.096 R)
• M17: 11,376,619 km (0.085 R)
• M18: 12,468,683 km (0.115 R)
• M19: 13,065,579 km (0.12 R)
• M20: 13,422,370 km (0.074 R)
• M21: 13,838,102 km (0.077 R)
• M22: 14,208,955 km (0.095 R)
• M23: 14,915,207 km (0.103 R)
• M24: 15,417,706 km (0.113 R)
• M25: 15,931,425 km (0.114 R)
• M26: 16,221,795 km (0.09 R)
• M27: 21,150,895 km (0.071 R)
• M28: 22,944,125 km (0.09 R)
• M29: 23,613,874 km (0.048 R)
• M30: 24,836,388 km (0.089 R)
• M31: 25,305,677 km (0.115 R)
• M32: 26,100,789 km (0.081 R)
• M33: 27,324,500 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.8

Radius: 13.7

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.11 AU - 4.69 AU

Year: 6371 Days

Day: 13.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,012,498 km

• M1: 171,738 km (0.089 R)
• M2: 686,205 km (0.047 R)
• M3: 1,406,070 km (0.091 R)
• M4: 2,345,695 km (0.069 R)
• M5: 4,123,067 km (0.118 R)
• M6: 4,566,774 km (0.111 R)
• M7: 5,116,846 km (0.106 R)
• M8: 5,737,677 km (0.098 R)
• M9: 6,207,414 km (0.115 R)
• M10: 8,075,891 km (0.1 R)
• M11: 10,175,198 km (0.062 R)
• M12: 10,783,463 km (0.105 R)
• M13: 12,072,847 km (0.099 R)
• M14: 13,510,782 km (0.088 R)
• M15: 13,948,954 km (0.027 R)
• M16: 14,649,521 km (0.119 R)
• M17: 17,458,670 km (0.104 R)
• M18: 18,037,464 km (0.06 R)
• M19: 18,990,103 km (0.114 R)
• M20: 20,481,893 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.3

Radius: 6.2

Gravity: 19.96 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.62 AU - 8.38 AU

Year: 15619 Days

Day: 24.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 67,012,498 km

• M1: 79,436 km (0.115 R)
• M2: 356,492 km (0.1 R)
• M3: 761,004 km (0.107 R)
• M4: 1,002,455 km (0.103 R)
• M5: 1,240,017 km (0.093 R)
• M6: 1,484,460 km (0.085 R)
• M7: 1,692,700 km (0.084 R)
• M8: 2,417,502 km (0.076 R)
• M9: 2,754,695 km (0.114 R)
• M10: 3,174,018 km (0.065 R)
• M11: 3,495,205 km (0.108 R)
• M12: 3,692,225 km (0.102 R)
• M13: 4,965,752 km (0.06 R)
• M14: 5,701,474 km (0.105 R)
• M15: 6,763,769 km (0.058 R)
• M16: 7,250,710 km (0.104 R)
• M17: 8,800,394 km (0.117 R)
• M18: 9,652,653 km (0.064 R)
• M19: 9,985,957 km (0.108 R)
• M20: 12,538,396 km (0.089 R)
• M21: 16,029,711 km (0.059 R)
• M22: 19,584,306 km (0.096 R)
• M23: 22,161,728 km (0.067 R)
• M24: 25,374,192 km (0.084 R)
• M25: 27,643,143 km (0.071 R)
• M26: 30,397,839 km (0.046 R)
• M27: 31,597,763 km (0.103 R)
• M28: 34,219,615 km (0.037 R)
• M29: 38,766,343 km (0.074 R)
• M30: 39,185,965 km (0.116 R)
• M31: 40,894,373 km (0.108 R)
• M32: 46,631,152 km (0.073 R)
• M33: 48,064,300 km (0.109 R)
• M34: 54,439,712 km (0.115 R)
• M35: 56,743,968 km (0.11 R)
• M36: 57,647,240 km (0.119 R)
• M37: 60,227,355 km (0.059 R)
• M38: 61,926,039 km (0.03 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 17,012 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit