🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.1

Radius: 13.6

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.62 AU - 0.88 AU

Year: 441 Days

Day: 6 Hours

Environment

Temp: -168 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,701,859 km

• M1: 169,195 km (0.115 R)
• M2: 622,926 km (0.114 R)
• M3: 1,116,748 km (0.087 R)
• M4: 1,732,643 km (0.075 R)
• M5: 2,541,967 km (0.074 R)
• M6: 3,013,200 km (0.059 R)
• M7: 3,627,300 km (0.112 R)
• M8: 4,632,597 km (0.086 R)
• M9: 5,342,439 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.5

Radius: 14.7

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.13 AU - 4.33 AU

Year: 4886 Days

Day: 11.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 126.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 91,701,859 km

• M1: 182,958 km (0.079 R)
• M2: 669,002 km (0.085 R)
• M3: 1,177,784 km (0.071 R)
• M4: 1,697,936 km (0.115 R)
• M5: 2,199,388 km (0.114 R)
• M6: 2,937,354 km (0.075 R)
• M7: 3,394,675 km (0.082 R)
• M8: 4,182,308 km (0.115 R)
• M9: 5,866,929 km (0.108 R)
• M10: 7,933,624 km (0.088 R)
• M11: 9,018,657 km (0.041 R)
• M12: 14,213,892 km (0.072 R)
• M13: 15,757,742 km (0.072 R)
• M14: 16,713,373 km (0.049 R)
• M15: 19,557,079 km (0.08 R)
• M16: 23,783,069 km (0.085 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400

Radius: 6.6

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 6.35 AU - 7.45 AU

Year: 12293 Days

Day: 22.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 91,701,859 km

• M1: 83,176 km (0.118 R)
• M2: 477,516 km (0.106 R)
• M3: 1,657,544 km (0.069 R)
• M4: 1,869,973 km (0.115 R)
• M5: 2,889,034 km (0.107 R)
• M6: 5,221,265 km (0.112 R)
• M7: 5,716,135 km (0.094 R)
• M8: 6,424,181 km (0.094 R)
• M9: 7,348,995 km (0.064 R)
• M10: 9,896,348 km (0.04 R)
• M11: 10,448,065 km (0.034 R)
• M12: 18,754,935 km (0.118 R)
• M13: 20,228,474 km (0.048 R)
• M14: 22,029,184 km (0.068 R)
• M15: 23,845,153 km (0.034 R)
• M16: 24,835,191 km (0.107 R)
• M17: 29,070,157 km (0.059 R)
• M18: 31,893,817 km (0.082 R)
• M19: 36,170,072 km (0.116 R)
• M20: 37,475,763 km (0.045 R)
• M21: 41,968,486 km (0.111 R)
• M22: 45,155,070 km (0.058 R)
• M23: 45,427,637 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.4

Radius: 7.2

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 7.62 AU - 10.4 AU

Year: 18343 Days

Day: 17.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 51.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 91,701,859 km

• M1: 89,609 km (0.111 R)
• M2: 401,521 km (0.081 R)
• M3: 647,609 km (0.059 R)
• M4: 891,753 km (0.116 R)
• M5: 1,426,715 km (0.09 R)
• M6: 1,766,003 km (0.059 R)
• M7: 2,294,831 km (0.112 R)
• M8: 2,521,472 km (0.095 R)
• M9: 3,216,953 km (0.028 R)
• M10: 5,016,017 km (0.11 R)
• M11: 5,328,826 km (0.037 R)
• M12: 5,803,799 km (0.063 R)
• M13: 7,179,651 km (0.095 R)
• M14: 8,465,893 km (0.101 R)
• M15: 8,960,314 km (0.071 R)
• M16: 9,579,051 km (0.027 R)
• M17: 10,225,762 km (0.101 R)
• M18: 11,309,001 km (0.108 R)
• M19: 12,592,850 km (0.112 R)
• M20: 14,802,560 km (0.066 R)
• M21: 15,813,542 km (0.096 R)
• M22: 17,258,358 km (0.077 R)
• M23: 17,972,539 km (0.064 R)
• M24: 21,567,824 km (0.111 R)
• M25: 24,411,381 km (0.099 R)
• M26: 33,074,892 km (0.106 R)
• M27: 33,561,235 km (0.049 R)
• M28: 38,958,577 km (0.1 R)
• M29: 43,584,592 km (0.039 R)
• M30: 46,104,717 km (0.069 R)
• M31: 48,251,746 km (0.043 R)
• M32: 48,563,807 km (0.083 R)
• M33: 57,158,055 km (0.052 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.6

Radius: 3.6

Gravity: 66.79 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 9.38 AU - 11.9 AU

Year: 23540 Days

Day: 22 Hours

Environment

Temp: -242 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 91,701,859 km

• M1: 67,618 km (0.096 R)
• M2: 275,260 km (0.058 R)
• M3: 625,170 km (0.035 R)
• M4: 745,596 km (0.114 R)
• M5: 905,815 km (0.093 R)
• M6: 1,494,184 km (0.043 R)
• M7: 2,397,755 km (0.087 R)
• M8: 5,650,760 km (0.069 R)
• M9: 6,408,174 km (0.055 R)
• M10: 6,643,342 km (0.112 R)
• M11: 6,835,426 km (0.101 R)
• M12: 7,031,399 km (0.03 R)
• M13: 8,452,878 km (0.113 R)
• M14: 10,631,322 km (0.068 R)
• M15: 12,131,789 km (0.096 R)
• M16: 14,963,976 km (0.086 R)
• M17: 18,020,859 km (0.085 R)
• M18: 19,547,206 km (0.116 R)
• M19: 20,951,631 km (0.119 R)
• M20: 21,469,090 km (0.071 R)
• M21: 23,182,284 km (0.064 R)
• M22: 31,618,108 km (0.103 R)
• M23: 33,267,425 km (0.099 R)
• M24: 34,541,550 km (0.038 R)
• M25: 35,994,744 km (0.097 R)
• M26: 46,797,505 km (0.098 R)
• M27: 59,366,569 km (0.107 R)
• M28: 62,719,655 km (0.09 R)
• M29: 71,184,501 km (0.105 R)
• M30: 73,058,663 km (0.084 R)
• M31: 84,216,271 km (0.104 R)
• M32: 87,905,953 km (0.058 R)
• M33: 91,427,187 km (0.109 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 16,781 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit