🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.8

Radius: 12.5

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.44 AU - 0.58 AU

Year: 243 Days

Day: 5.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 82,092,176 km

• M1: 155,432 km (0.117 R)
• M2: 566,976 km (0.06 R)
• M3: 1,624,034 km (0.053 R)
• M4: 2,204,474 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123

Radius: 8.3

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.43 AU - 0.71 AU

Year: 287 Days

Day: 5.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 82,092,176 km

• M1: 103,372 km (0.057 R)
• M2: 407,205 km (0.048 R)
• M3: 761,752 km (0.04 R)
• M4: 1,315,713 km (0.071 R)
• M5: 1,601,744 km (0.097 R)
• M6: 1,923,529 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.9

Radius: 10.6

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.58 AU - 0.66 AU

Year: 326 Days

Day: 14.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,092,176 km

• M1: 131,796 km (0.068 R)
• M2: 467,045 km (0.069 R)
• M3: 863,329 km (0.087 R)
• M4: 1,193,941 km (0.083 R)
• M5: 1,701,227 km (0.071 R)
• M6: 2,043,507 km (0.095 R)
• M7: 2,685,282 km (0.067 R)
• M8: 3,287,264 km (0.112 R)
• M9: 3,654,377 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.2

Radius: 13

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.68 AU - 0.68 AU

Year: 374 Days

Day: 11.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,092,176 km

• M1: 161,865 km (0.101 R)
• M2: 568,622 km (0.117 R)
• M3: 1,031,328 km (0.108 R)
• M4: 1,690,007 km (0.106 R)
• M5: 2,299,618 km (0.116 R)
• M6: 2,923,741 km (0.098 R)
• M7: 3,393,179 km (0.093 R)
• M8: 4,044,378 km (0.063 R)
• M9: 4,928,502 km (0.092 R)
• M10: 5,597,952 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.7

Radius: 11.8

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.05 AU - 4.01 AU

Year: 4423 Days

Day: 7.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 89.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,092,176 km

• M1: 146,756 km (0.088 R)
• M2: 514,168 km (0.113 R)
• M3: 1,141,133 km (0.113 R)
• M4: 1,569,431 km (0.115 R)
• M5: 2,570,839 km (0.086 R)
• M6: 3,873,687 km (0.063 R)
• M7: 5,134,947 km (0.071 R)
• M8: 6,269,647 km (0.099 R)
• M9: 8,773,766 km (0.062 R)
• M10: 9,948,558 km (0.057 R)
• M11: 13,173,888 km (0.109 R)
• M12: 20,360,121 km (0.054 R)
• M13: 23,031,191 km (0.048 R)
• M14: 23,662,942 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683

Radius: 3.9

Gravity: 44.9 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 6.2 AU - 7.22 AU

Year: 11591 Days

Day: 16 Hours

Environment

Temp: -237 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,092,176 km

• M1: 48,619 km (0.107 R)
• M2: 190,288 km (0.094 R)
• M3: 433,983 km (0.114 R)
• M4: 1,087,577 km (0.094 R)
• M5: 1,778,270 km (0.107 R)
• M6: 2,292,587 km (0.106 R)
• M7: 2,511,449 km (0.1 R)
• M8: 3,326,757 km (0.101 R)
• M9: 3,987,681 km (0.107 R)
• M10: 4,129,649 km (0.1 R)
• M11: 6,108,380 km (0.082 R)
• M12: 7,010,007 km (0.032 R)
• M13: 8,087,111 km (0.11 R)
• M14: 8,361,025 km (0.096 R)
• M15: 8,976,022 km (0.07 R)
• M16: 10,295,325 km (0.105 R)
• M17: 14,951,260 km (0.086 R)
• M18: 17,846,876 km (0.104 R)
• M19: 18,155,497 km (0.088 R)
• M20: 21,789,079 km (0.103 R)
• M21: 22,230,393 km (0.088 R)
• M22: 25,003,938 km (0.083 R)
• M23: 25,390,349 km (0.112 R)
• M24: 26,473,438 km (0.106 R)
• M25: 28,521,133 km (0.074 R)
• M26: 29,583,428 km (0.04 R)
• M27: 33,978,613 km (0.047 R)
• M28: 35,292,681 km (0.089 R)
• M29: 45,739,699 km (0.039 R)
• M30: 51,426,213 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 797.5

Radius: 5

Gravity: 31.9 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 9.21 AU - 10.59 AU

Year: 20772 Days

Day: 18.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,092,176 km

• M1: 63,130 km (0.098 R)
• M2: 226,342 km (0.101 R)
• M3: 398,230 km (0.044 R)
• M4: 698,921 km (0.071 R)
• M5: 959,670 km (0.102 R)
• M6: 1,843,644 km (0.077 R)
• M7: 2,366,788 km (0.072 R)
• M8: 2,852,233 km (0.091 R)
• M9: 3,091,290 km (0.093 R)
• M10: 3,549,209 km (0.112 R)
• M11: 3,732,168 km (0.055 R)
• M12: 4,388,005 km (0.079 R)
• M13: 5,117,743 km (0.088 R)
• M14: 5,840,750 km (0.103 R)
• M15: 6,139,646 km (0.101 R)
• M16: 8,687,896 km (0.1 R)
• M17: 10,315,970 km (0.102 R)
• M18: 13,341,138 km (0.108 R)
• M19: 16,823,926 km (0.092 R)
• M20: 18,137,395 km (0.101 R)
• M21: 18,865,189 km (0.074 R)
• M22: 20,185,390 km (0.068 R)
• M23: 23,219,235 km (0.092 R)
• M24: 23,431,664 km (0.11 R)
• M25: 26,776,074 km (0.099 R)
• M26: 28,928,189 km (0.051 R)
• M27: 30,046,284 km (0.108 R)
• M28: 35,225,212 km (0.104 R)
• M29: 47,305,689 km (0.108 R)
• M30: 51,333,163 km (0.099 R)
• M31: 53,893,082 km (0.106 R)
• M32: 58,674,080 km (0.054 R)
• M33: 58,870,951 km (0.106 R)
• M34: 61,268,257 km (0.079 R)
• M35: 62,490,920 km (0.097 R)
• M36: 64,985,016 km (0.104 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: 378 - 16,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit