🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.49 AU - 0.75 AU

Year: 173 Days

Day: 39.2 Hours

Environment

Temp: 227 °C

Axial Tilt: 26.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.64 AU - 0.68 AU

Year: 190 Days

Day: 35 Hours

Environment

Temp: 234 °C

Axial Tilt: 13.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.55 AU - 0.83 AU

Year: 203 Days

Day: 41.2 Hours

Environment

Temp: 174 °C

Axial Tilt: 25.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,032,699 km

• M1: 121,623 km (0.112 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.04 AU - 1.3 AU

Year: 449 Days

Day: 14.9 Hours

Environment

Temp: 11 °C

Axial Tilt: 24.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 78,032,699 km

• M1: 39,643 km (0.059 R)
• M2: 84,672 km (0.092 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.37 AU - 5.07 AU

Year: 3638 Days

Day: 28.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,032,699 km

• M1: 219,909 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.4

Radius: 10

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 11.64 AU - 12.12 AU

Year: 14527 Days

Day: 14.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,032,699 km

• M1: 127,906 km (0.102 R)
• M2: 448,794 km (0.112 R)
• M3: 805,734 km (0.068 R)
• M4: 2,132,817 km (0.072 R)
• M5: 2,585,201 km (0.092 R)
• M6: 3,026,664 km (0.116 R)
• M7: 3,656,022 km (0.12 R)
• M8: 4,307,521 km (0.104 R)
• M9: 5,318,354 km (0.053 R)
• M10: 6,438,842 km (0.037 R)
• M11: 7,165,140 km (0.108 R)
• M12: 8,331,255 km (0.097 R)
• M13: 8,933,985 km (0.093 R)
• M14: 9,298,854 km (0.05 R)
• M15: 10,058,512 km (0.059 R)
• M16: 11,035,835 km (0.081 R)
• M17: 11,887,346 km (0.118 R)
• M18: 21,435,879 km (0.052 R)
• M19: 23,638,857 km (0.092 R)
• M20: 24,338,227 km (0.03 R)
• M21: 27,933,064 km (0.058 R)
• M22: 29,396,430 km (0.101 R)
• M23: 32,843,913 km (0.091 R)
• M24: 34,473,333 km (0.04 R)
• M25: 38,164,661 km (0.116 R)
• M26: 42,403,367 km (0.087 R)
• M27: 44,183,282 km (0.115 R)
• M28: 45,858,180 km (0.052 R)
• M29: 51,802,451 km (0.117 R)
• M30: 52,474,296 km (0.113 R)
• M31: 55,921,030 km (0.11 R)
• M32: 59,516,017 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586.4

Radius: 7.2

Gravity: 11.31 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 12.04 AU - 19.72 AU

Year: 22450 Days

Day: 21.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 78,032,699 km

• M1: 89,759 km (0.067 R)
• M2: 472,430 km (0.108 R)
• M3: 751,281 km (0.096 R)
• M4: 1,167,013 km (0.103 R)
• M5: 1,589,926 km (0.119 R)
• M6: 1,893,909 km (0.102 R)
• M7: 2,548,998 km (0.105 R)
• M8: 3,046,112 km (0.113 R)
• M9: 4,265,933 km (0.103 R)
• M10: 4,572,309 km (0.106 R)
• M11: 6,729,062 km (0.075 R)
• M12: 7,144,794 km (0.087 R)
• M13: 12,637,579 km (0.087 R)
• M14: 13,486,398 km (0.101 R)
• M15: 16,179,010 km (0.074 R)
• M16: 17,694,287 km (0.105 R)
• M17: 18,755,534 km (0.045 R)
• M18: 19,118,608 km (0.096 R)
• M19: 22,702,225 km (0.087 R)
• M20: 32,840,473 km (0.116 R)
• M21: 33,103,466 km (0.117 R)
• M22: 35,951,211 km (0.067 R)
• M23: 36,370,833 km (0.05 R)
• M24: 39,400,788 km (0.103 R)
• M25: 39,697,889 km (0.11 R)
• M26: 44,334,975 km (0.114 R)
• M27: 45,141,457 km (0.074 R)
• M28: 46,949,796 km (0.118 R)
• M29: 50,710,686 km (0.076 R)
• M30: 52,484,618 km (0.108 R)
• M31: 55,968,303 km (0.059 R)
• M32: 61,978,248 km (0.091 R)
• M33: 67,127,257 km (0.075 R)
• M34: 69,264,413 km (0.101 R)
• M35: 73,899,104 km (0.066 R)
• M36: 75,717,765 km (0.107 R)

Kuiper Belt

Range: 30.9 - 57.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 16,040 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit