🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.79 AU - 1.03 AU

Year: 334 Days

Day: 30.6 Hours

Environment

Temp: 16 °C

Axial Tilt: 5.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 69,081,749 km

• M1: 10,023 km (0.118 R)
• M2: 67,169 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.98 AU - 1.38 AU

Year: 494 Days

Day: 12.9 Hours

Environment

Temp: -25 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.21 AU - 1.29 AU

Year: 538 Days

Day: 26.1 Hours

Environment

Temp: -31 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,081,749 km

• M1: 140,024 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.08 AU - 2.38 AU

Year: 1282 Days

Day: 46.9 Hours

Environment

Temp: -103 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.1

Radius: 9.7

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.26 AU - 4.64 AU

Year: 3614 Days

Day: 14.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,081,749 km

• M1: 120,725 km (0.105 R)
• M2: 537,804 km (0.119 R)
• M3: 1,181,374 km (0.034 R)
• M4: 2,971,762 km (0.046 R)
• M5: 3,366,999 km (0.12 R)
• M6: 3,758,347 km (0.029 R)
• M7: 4,097,336 km (0.068 R)
• M8: 5,094,855 km (0.112 R)
• M9: 6,246,459 km (0.097 R)
• M10: 6,609,384 km (0.12 R)
• M11: 7,752,162 km (0.083 R)
• M12: 8,606,665 km (0.093 R)
• M13: 9,198,474 km (0.064 R)
• M14: 10,270,492 km (0.114 R)
• M15: 10,777,180 km (0.115 R)
• M16: 11,178,252 km (0.104 R)
• M17: 12,972,828 km (0.096 R)
• M18: 14,706,069 km (0.098 R)
• M19: 15,909,883 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.3

Radius: 12

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.16 AU - 8.46 AU

Year: 6842 Days

Day: 5.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,081,749 km

• M1: 151,991 km (0.078 R)
• M2: 542,591 km (0.106 R)
• M3: 1,050,327 km (0.042 R)
• M4: 2,357,812 km (0.114 R)
• M5: 4,657,730 km (0.11 R)
• M6: 5,712,395 km (0.087 R)
• M7: 7,064,011 km (0.057 R)
• M8: 10,723,325 km (0.119 R)
• M9: 14,055,169 km (0.061 R)
• M10: 15,861,563 km (0.089 R)
• M11: 18,296,717 km (0.104 R)
• M12: 20,446,588 km (0.039 R)
• M13: 23,000,224 km (0.05 R)
• M14: 25,242,247 km (0.03 R)
• M15: 26,815,568 km (0.08 R)
• M16: 27,264,062 km (0.116 R)
• M17: 30,253,477 km (0.12 R)
• M18: 35,782,614 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.5

Radius: 8.3

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 7.78 AU - 9.6 AU

Year: 9863 Days

Day: 6.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,081,749 km

• M1: 103,372 km (0.119 R)
• M2: 569,968 km (0.097 R)
• M3: 1,014,872 km (0.117 R)
• M4: 1,678,638 km (0.099 R)
• M5: 2,217,489 km (0.096 R)
• M6: 4,398,028 km (0.095 R)
• M7: 4,831,114 km (0.107 R)
• M8: 6,091,027 km (0.065 R)
• M9: 6,446,621 km (0.07 R)
• M10: 10,250,596 km (0.051 R)
• M11: 11,380,808 km (0.119 R)
• M12: 12,763,690 km (0.098 R)
• M13: 13,948,057 km (0.102 R)
• M14: 16,878,081 km (0.12 R)
• M15: 19,044,707 km (0.095 R)
• M16: 19,499,185 km (0.066 R)
• M17: 22,380,141 km (0.029 R)
• M18: 23,314,230 km (0.116 R)
• M19: 24,451,174 km (0.084 R)
• M20: 24,718,804 km (0.095 R)
• M21: 25,169,094 km (0.079 R)
• M22: 25,624,769 km (0.088 R)
• M23: 27,025,005 km (0.089 R)
• M24: 27,695,652 km (0.052 R)
• M25: 28,279,233 km (0.059 R)
• M26: 28,574,091 km (0.067 R)
• M27: 29,774,165 km (0.093 R)
• M28: 32,167,581 km (0.11 R)
• M29: 33,575,597 km (0.091 R)
• M30: 37,688,491 km (0.1 R)
• M31: 38,646,067 km (0.066 R)
• M32: 39,989,007 km (0.119 R)
• M33: 41,489,324 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628

Radius: 6.4

Gravity: 15.33 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 9.38 AU - 14.56 AU

Year: 15944 Days

Day: 19.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,081,749 km

• M1: 79,586 km (0.05 R)
• M2: 359,633 km (0.108 R)
• M3: 618,438 km (0.063 R)
• M4: 851,810 km (0.113 R)
• M5: 1,221,167 km (0.117 R)
• M6: 1,533,528 km (0.106 R)
• M7: 1,827,787 km (0.118 R)
• M8: 2,299,020 km (0.113 R)
• M9: 3,140,807 km (0.091 R)
• M10: 3,673,675 km (0.116 R)
• M11: 3,873,687 km (0.088 R)
• M12: 4,518,454 km (0.078 R)
• M13: 4,782,195 km (0.087 R)
• M14: 6,058,415 km (0.07 R)
• M15: 6,502,720 km (0.059 R)
• M16: 7,231,561 km (0.03 R)
• M17: 7,638,916 km (0.109 R)
• M18: 8,598,736 km (0.099 R)
• M19: 10,582,404 km (0.091 R)
• M20: 14,700,235 km (0.087 R)
• M21: 15,724,980 km (0.099 R)
• M22: 17,190,890 km (0.1 R)
• M23: 20,037,438 km (0.106 R)
• M24: 21,295,556 km (0.098 R)
• M25: 24,067,904 km (0.052 R)
• M26: 26,325,037 km (0.095 R)
• M27: 27,179,689 km (0.114 R)
• M28: 28,719,500 km (0.034 R)
• M29: 30,316,607 km (0.063 R)
• M30: 34,187,751 km (0.112 R)
• M31: 37,298,340 km (0.05 R)
• M32: 42,747,143 km (0.061 R)
• M33: 44,374,768 km (0.117 R)
• M34: 49,989,924 km (0.111 R)
• M35: 51,962,072 km (0.086 R)
• M36: 54,671,439 km (0.074 R)
• M37: 60,185,916 km (0.078 R)
• M38: 60,923,434 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.9

Radius: 8

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 11.92 AU - 17.12 AU

Year: 21302 Days

Day: 20.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,081,749 km

• M1: 100,081 km (0.116 R)
• M2: 634,893 km (0.112 R)
• M3: 1,565,691 km (0.086 R)
• M4: 2,402,542 km (0.101 R)
• M5: 5,246,846 km (0.062 R)
• M6: 6,770,201 km (0.118 R)
• M7: 7,586,258 km (0.083 R)
• M8: 8,567,919 km (0.058 R)
• M9: 9,798,960 km (0.105 R)
• M10: 18,782,611 km (0.07 R)
• M11: 20,754,012 km (0.035 R)
• M12: 21,789,678 km (0.093 R)
• M13: 23,057,669 km (0.072 R)
• M14: 30,982,617 km (0.103 R)
• M15: 38,273,418 km (0.088 R)
• M16: 39,542,607 km (0.055 R)
• M17: 43,823,200 km (0.08 R)
• M18: 45,368,097 km (0.07 R)
• M19: 54,872,948 km (0.072 R)
• M20: 58,499,200 km (0.033 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: 308 - 11,040 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit