🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.48 AU - 0.52 AU

Year: 228 Days

Day: 29.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,935,542 km

• M1: 89,908 km (0.062 R)

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.8

Radius: 8.9

Gravity: 11.76 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.22 AU - 1.24 AU

Year: 881 Days

Day: 8.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,935,542 km

• M1: 111,450 km (0.063 R)
• M2: 579,991 km (0.073 R)
• M3: 1,009,038 km (0.108 R)
• M4: 1,312,273 km (0.112 R)
• M5: 1,694,794 km (0.101 R)
• M6: 2,182,783 km (0.102 R)
• M7: 2,687,227 km (0.087 R)
• M8: 2,967,573 km (0.102 R)
• M9: 3,310,152 km (0.097 R)
• M10: 3,881,466 km (0.082 R)
• M11: 4,841,585 km (0.111 R)
• M12: 5,357,549 km (0.1 R)
• M13: 5,721,670 km (0.081 R)
• M14: 6,254,687 km (0.063 R)
• M15: 7,103,804 km (0.12 R)
• M16: 7,898,618 km (0.063 R)
• M17: 8,424,604 km (0.099 R)
• M18: 9,430,201 km (0.084 R)
• M19: 10,143,783 km (0.057 R)
• M20: 10,513,738 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.7

Radius: 9.2

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.18 AU - 1.36 AU

Year: 924 Days

Day: 6.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,935,542 km

• M1: 114,592 km (0.083 R)
• M2: 414,835 km (0.054 R)
• M3: 957,426 km (0.116 R)
• M4: 2,596,570 km (0.098 R)
• M5: 2,928,678 km (0.082 R)
• M6: 3,522,431 km (0.091 R)
• M7: 3,930,983 km (0.078 R)
• M8: 4,273,862 km (0.11 R)
• M9: 5,558,010 km (0.07 R)
• M10: 6,468,163 km (0.09 R)
• M11: 6,770,650 km (0.029 R)
• M12: 8,478,908 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.6

Radius: 10.8

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.29 AU - 1.41 AU

Year: 1013 Days

Day: 10.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,935,542 km

• M1: 134,339 km (0.11 R)
• M2: 527,632 km (0.091 R)
• M3: 1,043,744 km (0.084 R)
• M4: 1,445,863 km (0.087 R)
• M5: 1,971,850 km (0.082 R)
• M6: 2,490,954 km (0.111 R)
• M7: 3,127,194 km (0.12 R)
• M8: 3,900,615 km (0.094 R)
• M9: 5,637,596 km (0.099 R)
• M10: 6,619,407 km (0.054 R)
• M11: 7,334,933 km (0.114 R)
• M12: 7,943,946 km (0.097 R)
• M13: 8,504,041 km (0.078 R)
• M14: 9,033,467 km (0.078 R)
• M15: 10,850,633 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.6

Radius: 8.6

Gravity: 12.85 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.51 AU - 1.89 AU

Year: 1431 Days

Day: 10.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,935,542 km

• M1: 106,962 km (0.103 R)
• M2: 395,986 km (0.074 R)
• M3: 848,519 km (0.079 R)
• M4: 1,175,091 km (0.116 R)
• M5: 1,557,613 km (0.092 R)
• M6: 1,988,305 km (0.097 R)
• M7: 2,380,850 km (0.09 R)
• M8: 4,713,380 km (0.101 R)
• M9: 5,527,043 km (0.078 R)
• M10: 6,282,363 km (0.101 R)
• M11: 6,840,363 km (0.116 R)
• M12: 7,375,923 km (0.094 R)
• M13: 8,744,594 km (0.043 R)
• M14: 9,119,636 km (0.039 R)
• M15: 10,906,134 km (0.115 R)
• M16: 11,194,857 km (0.062 R)
• M17: 11,525,618 km (0.105 R)
• M18: 12,439,661 km (0.116 R)
• M19: 12,994,669 km (0.059 R)
• M20: 13,607,722 km (0.086 R)
• M21: 14,541,362 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.3

Radius: 11

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.08 AU - 3.8 AU

Year: 4120 Days

Day: 13.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,935,542 km

• M1: 137,181 km (0.089 R)
• M2: 484,398 km (0.101 R)
• M3: 1,304,793 km (0.053 R)
• M4: 1,712,447 km (0.113 R)
• M5: 2,102,598 km (0.087 R)
• M6: 2,502,772 km (0.053 R)
• M7: 3,317,782 km (0.092 R)
• M8: 3,776,449 km (0.118 R)
• M9: 4,301,088 km (0.113 R)
• M10: 5,084,832 km (0.101 R)
• M11: 7,271,055 km (0.059 R)
• M12: 9,727,901 km (0.063 R)
• M13: 10,760,724 km (0.09 R)
• M14: 11,535,641 km (0.076 R)
• M15: 15,920,654 km (0.1 R)
• M16: 16,986,988 km (0.1 R)
• M17: 17,352,904 km (0.112 R)
• M18: 17,848,971 km (0.04 R)
• M19: 18,290,584 km (0.098 R)
• M20: 19,064,902 km (0.086 R)
• M21: 19,726,574 km (0.089 R)
• M22: 21,026,130 km (0.117 R)
• M23: 21,519,055 km (0.108 R)
• M24: 22,236,527 km (0.101 R)
• M25: 24,873,788 km (0.068 R)
• M26: 25,425,205 km (0.087 R)
• M27: 25,984,701 km (0.096 R)
• M28: 26,552,575 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.2

Radius: 12.8

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.03 AU - 4.51 AU

Year: 4726 Days

Day: 9.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,935,542 km

• M1: 159,172 km (0.078 R)
• M2: 593,305 km (0.09 R)
• M3: 1,198,877 km (0.103 R)
• M4: 2,772,797 km (0.095 R)
• M5: 3,239,542 km (0.07 R)
• M6: 4,620,779 km (0.051 R)
• M7: 6,259,175 km (0.112 R)
• M8: 8,573,005 km (0.028 R)
• M9: 10,797,226 km (0.04 R)
• M10: 12,368,902 km (0.055 R)
• M11: 12,868,858 km (0.114 R)
• M12: 14,450,406 km (0.114 R)
• M13: 15,622,506 km (0.088 R)
• M14: 16,355,535 km (0.092 R)
• M15: 17,214,077 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419.2

Radius: 3.8

Gravity: 29.03 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.61 AU - 6.89 AU

Year: 10089 Days

Day: 18.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 40,935,542 km

• M1: 47,273 km (0.105 R)
• M2: 227,688 km (0.072 R)
• M3: 470,934 km (0.104 R)
• M4: 749,485 km (0.027 R)
• M5: 1,516,623 km (0.117 R)
• M6: 1,755,681 km (0.112 R)
• M7: 1,892,114 km (0.078 R)
• M8: 2,290,942 km (0.085 R)
• M9: 2,548,101 km (0.118 R)
• M10: 3,054,938 km (0.079 R)
• M11: 3,186,135 km (0.07 R)
• M12: 4,265,334 km (0.106 R)
• M13: 5,567,434 km (0.106 R)
• M14: 5,763,408 km (0.083 R)
• M15: 6,557,473 km (0.113 R)
• M16: 6,776,036 km (0.087 R)
• M17: 8,573,604 km (0.114 R)
• M18: 8,967,794 km (0.111 R)
• M19: 10,866,640 km (0.049 R)
• M20: 11,909,636 km (0.091 R)
• M21: 12,847,166 km (0.112 R)
• M22: 13,773,626 km (0.108 R)
• M23: 14,743,618 km (0.069 R)
• M24: 15,308,799 km (0.1 R)
• M25: 15,436,256 km (0.105 R)
• M26: 15,693,415 km (0.119 R)
• M27: 18,568,985 km (0.115 R)
• M28: 21,857,595 km (0.049 R)
• M29: 22,019,311 km (0.06 R)
• M30: 22,923,331 km (0.067 R)
• M31: 24,629,793 km (0.085 R)
• M32: 25,424,607 km (0.06 R)
• M33: 26,419,134 km (0.076 R)
• M34: 29,755,615 km (0.052 R)
• M35: 33,148,644 km (0.082 R)
• M36: 35,103,888 km (0.066 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 19,057 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit