🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.84 AU - 1.12 AU

Year: 364 Days

Day: 31.7 Hours

Environment

Temp: 8 °C

Axial Tilt: 12 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 60,181,053 km

• M1: 27,526 km (0.099 R)
• M2: 570,417 km (0.081 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.3 AU - 2.12 AU

Year: 838 Days

Day: 41.7 Hours

Environment

Temp: -57 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,181,053 km

• M1: 234,719 km (0.072 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.11 AU - 3.83 AU

Year: 2422 Days

Day: 47.2 Hours

Environment

Temp: -110 °C

Axial Tilt: 43.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.8

Radius: 13.9

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.42 AU - 5.52 AU

Year: 3542 Days

Day: 10.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,181,053 km

• M1: 172,935 km (0.111 R)
• M2: 662,120 km (0.1 R)
• M3: 1,107,772 km (0.045 R)
• M4: 1,674,150 km (0.088 R)
• M5: 3,374,330 km (0.101 R)
• M6: 3,919,763 km (0.107 R)
• M7: 4,478,811 km (0.093 R)
• M8: 5,239,965 km (0.037 R)
• M9: 6,197,690 km (0.114 R)
• M10: 6,990,260 km (0.055 R)
• M11: 7,555,440 km (0.035 R)
• M12: 8,742,200 km (0.09 R)
• M13: 10,010,790 km (0.074 R)
• M14: 11,398,759 km (0.06 R)
• M15: 12,957,868 km (0.063 R)
• M16: 15,269,754 km (0.041 R)
• M17: 17,787,187 km (0.091 R)
• M18: 18,546,246 km (0.061 R)
• M19: 21,602,681 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.6

Radius: 10.2

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.95 AU - 5.33 AU

Year: 3745 Days

Day: 11.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,181,053 km

• M1: 127,457 km (0.108 R)
• M2: 548,127 km (0.091 R)
• M3: 1,241,662 km (0.117 R)
• M4: 2,257,581 km (0.093 R)
• M5: 2,813,637 km (0.076 R)
• M6: 4,222,101 km (0.111 R)
• M7: 4,585,175 km (0.112 R)
• M8: 5,245,649 km (0.099 R)
• M9: 6,310,038 km (0.072 R)
• M10: 9,232,582 km (0.105 R)
• M11: 9,613,458 km (0.107 R)
• M12: 10,124,335 km (0.107 R)
• M13: 12,443,102 km (0.117 R)
• M14: 13,145,314 km (0.111 R)
• M15: 14,886,783 km (0.095 R)
• M16: 15,624,600 km (0.084 R)
• M17: 17,575,955 km (0.089 R)
• M18: 18,043,747 km (0.091 R)
• M19: 19,311,589 km (0.104 R)
• M20: 20,573,447 km (0.025 R)
• M21: 21,555,108 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.7

Radius: 13

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.2 AU - 5.6 AU

Year: 4065 Days

Day: 11 Hours

Environment

Temp: -148 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,181,053 km

• M1: 161,715 km (0.086 R)
• M2: 709,692 km (0.096 R)
• M3: 1,159,084 km (0.043 R)
• M4: 1,619,995 km (0.106 R)
• M5: 2,664,637 km (0.111 R)
• M6: 4,003,239 km (0.085 R)
• M7: 5,217,824 km (0.071 R)
• M8: 6,826,001 km (0.085 R)
• M9: 7,258,339 km (0.058 R)
• M10: 10,952,659 km (0.084 R)
• M11: 12,750,376 km (0.116 R)
• M12: 13,305,683 km (0.111 R)
• M13: 16,152,381 km (0.097 R)
• M14: 17,348,267 km (0.103 R)
• M15: 19,983,134 km (0.03 R)
• M16: 20,664,253 km (0.069 R)
• M17: 23,022,215 km (0.113 R)
• M18: 26,519,663 km (0.106 R)
• M19: 27,342,452 km (0.1 R)
• M20: 28,012,800 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983

Radius: 10.3

Gravity: 9.27 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 8.3 AU - 11.58 AU

Year: 11744 Days

Day: 5.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,181,053 km

• M1: 137,032 km (0.116 R)
• M2: 502,200 km (0.089 R)
• M3: 830,567 km (0.118 R)
• M4: 1,390,662 km (0.1 R)
• M5: 1,831,976 km (0.105 R)
• M6: 2,266,707 km (0.109 R)
• M7: 3,269,611 km (0.063 R)
• M8: 4,117,382 km (0.069 R)
• M9: 5,071,218 km (0.089 R)
• M10: 5,455,834 km (0.093 R)
• M11: 5,822,200 km (0.116 R)
• M12: 6,323,203 km (0.051 R)
• M13: 7,150,030 km (0.06 R)
• M14: 8,094,142 km (0.064 R)
• M15: 10,394,359 km (0.086 R)
• M16: 11,308,103 km (0.092 R)
• M17: 12,274,505 km (0.092 R)
• M18: 13,426,558 km (0.095 R)
• M19: 14,371,269 km (0.104 R)
• M20: 20,288,014 km (0.113 R)
• M21: 22,636,252 km (0.087 R)
• M22: 24,266,271 km (0.088 R)
• M23: 25,870,409 km (0.094 R)
• M24: 29,512,219 km (0.059 R)
• M25: 31,222,422 km (0.119 R)
• M26: 36,748,418 km (0.038 R)
• M27: 39,809,639 km (0.083 R)
• M28: 45,233,310 km (0.049 R)
• M29: 47,196,183 km (0.082 R)
• M30: 49,848,105 km (0.089 R)
• M31: 54,936,826 km (0.068 R)
• M32: 55,617,646 km (0.117 R)
• M33: 59,821,496 km (0.109 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 17,925 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit