🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.2

Radius: 9.1

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.59 AU - 0.65 AU

Year: 337 Days

Day: 5.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,344,873 km

• M1: 113,694 km (0.054 R)
• M2: 419,921 km (0.094 R)
• M3: 755,320 km (0.087 R)
• M4: 1,184,217 km (0.049 R)
• M5: 1,474,437 km (0.06 R)
• M6: 2,195,050 km (0.117 R)
• M7: 2,694,856 km (0.072 R)
• M8: 3,185,088 km (0.066 R)
• M9: 3,838,981 km (0.052 R)
• M10: 4,280,145 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.3

Radius: 14

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.72 AU - 1.04 AU

Year: 570 Days

Day: 10.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 27,344,873 km

• M1: 174,880 km (0.051 R)
• M2: 1,091,017 km (0.08 R)
• M3: 1,611,019 km (0.072 R)
• M4: 2,153,312 km (0.06 R)
• M5: 3,605,009 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.2

Radius: 9.1

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.56 AU - 2.04 AU

Year: 1667 Days

Day: 5.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,344,873 km

• M1: 123,119 km (0.051 R)
• M2: 418,874 km (0.099 R)
• M3: 899,083 km (0.071 R)
• M4: 1,186,910 km (0.096 R)
• M5: 1,653,056 km (0.1 R)
• M6: 1,957,339 km (0.082 R)
• M7: 2,751,404 km (0.111 R)
• M8: 3,489,670 km (0.081 R)
• M9: 4,531,020 km (0.114 R)
• M10: 5,535,570 km (0.028 R)
• M11: 5,909,415 km (0.074 R)
• M12: 6,476,241 km (0.103 R)
• M13: 7,052,044 km (0.101 R)
• M14: 7,891,587 km (0.066 R)
• M15: 8,185,846 km (0.044 R)
• M16: 8,703,006 km (0.093 R)
• M17: 9,502,756 km (0.118 R)
• M18: 9,937,637 km (0.063 R)
• M19: 11,773,053 km (0.078 R)
• M20: 12,511,319 km (0.114 R)
• M21: 13,321,391 km (0.063 R)
• M22: 13,697,181 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.5

Radius: 12.4

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.71 AU - 2.69 AU

Year: 2252 Days

Day: 11.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,344,873 km

• M1: 154,235 km (0.118 R)
• M2: 543,788 km (0.072 R)
• M3: 1,186,461 km (0.11 R)
• M4: 1,844,542 km (0.027 R)
• M5: 2,513,992 km (0.088 R)
• M6: 3,536,942 km (0.099 R)
• M7: 4,053,055 km (0.079 R)
• M8: 5,213,785 km (0.062 R)
• M9: 6,336,367 km (0.059 R)
• M10: 6,753,895 km (0.032 R)
• M11: 7,430,077 km (0.113 R)
• M12: 8,150,840 km (0.114 R)
• M13: 8,545,180 km (0.099 R)
• M14: 9,372,157 km (0.093 R)
• M15: 9,842,044 km (0.099 R)
• M16: 11,105,847 km (0.069 R)
• M17: 12,999,905 km (0.102 R)
• M18: 13,814,765 km (0.1 R)
• M19: 16,569,011 km (0.075 R)
• M20: 17,150,049 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.3

Radius: 12.8

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.17 AU - 3.29 AU

Year: 4007 Days

Day: 11.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,344,873 km

• M1: 205,248 km (0.117 R)
• M2: 655,987 km (0.075 R)
• M3: 1,088,175 km (0.115 R)
• M4: 1,987,109 km (0.061 R)
• M5: 2,454,303 km (0.085 R)
• M6: 3,255,998 km (0.076 R)
• M7: 4,778,306 km (0.077 R)
• M8: 6,059,013 km (0.102 R)
• M9: 6,891,824 km (0.041 R)
• M10: 7,352,885 km (0.081 R)
• M11: 8,709,738 km (0.099 R)
• M12: 9,288,981 km (0.089 R)
• M13: 9,852,665 km (0.098 R)
• M14: 13,120,930 km (0.09 R)
• M15: 14,945,276 km (0.062 R)
• M16: 15,608,144 km (0.06 R)
• M17: 16,175,419 km (0.044 R)
• M18: 17,351,109 km (0.103 R)
• M19: 18,394,704 km (0.1 R)
• M20: 27,473,051 km (0.077 R)

Asteroid Belt

Center: 4.01 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.5

Radius: 13.3

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.95 AU - 5.61 AU

Year: 7214 Days

Day: 9.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,344,873 km

• M1: 166,203 km (0.116 R)
• M2: 635,043 km (0.096 R)
• M3: 1,075,309 km (0.07 R)
• M4: 2,434,556 km (0.067 R)
• M5: 3,020,531 km (0.111 R)
• M6: 4,233,919 km (0.079 R)
• M7: 4,761,551 km (0.107 R)
• M8: 5,270,632 km (0.083 R)
• M9: 8,428,045 km (0.116 R)
• M10: 9,312,767 km (0.113 R)
• M11: 10,016,026 km (0.061 R)
• M12: 10,454,797 km (0.078 R)
• M13: 12,507,280 km (0.094 R)
• M14: 13,658,136 km (0.107 R)
• M15: 16,037,939 km (0.053 R)
• M16: 17,118,185 km (0.078 R)
• M17: 18,609,078 km (0.112 R)
• M18: 24,292,301 km (0.095 R)
• M19: 24,997,655 km (0.088 R)
• M20: 29,718,963 km (0.109 R)
• M21: 33,034,351 km (0.046 R)
• M22: 37,282,482 km (0.068 R)
• M23: 37,749,975 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41.1

Radius: 5.2

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.95 AU - 10.37 AU

Year: 17591 Days

Day: 21.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,344,873 km

• M1: 114,143 km (0.069 R)
• M2: 299,645 km (0.052 R)
• M3: 730,038 km (0.105 R)
• M4: 2,264,014 km (0.063 R)
• M5: 4,080,282 km (0.103 R)
• M6: 12,960,860 km (0.078 R)
• M7: 19,622,304 km (0.092 R)
• M8: 23,380,202 km (0.035 R)
• M9: 24,427,388 km (0.109 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 10,513 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit