🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.84 AU - 1.18 AU

Year: 384 Days

Day: 42.4 Hours

Environment

Temp: 11 °C

Axial Tilt: 20.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 69,341,237 km

• M1: 248,632 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.92 AU - 1.2 AU

Year: 413 Days

Day: 20.4 Hours

Environment

Temp: 7 °C

Axial Tilt: 38.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.58 AU - 1.8 AU

Year: 832 Days

Day: 34.3 Hours

Environment

Temp: -68 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.91 AU - 3.63 AU

Year: 2240 Days

Day: 24.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.46 AU - 4 AU

Year: 2728 Days

Day: 40.1 Hours

Environment

Temp: -127 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.8

Radius: 9.3

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.84 AU - 7.34 AU

Year: 6407 Days

Day: 9.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 73.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,341,237 km

• M1: 115,789 km (0.119 R)
• M2: 410,945 km (0.068 R)
• M3: 830,867 km (0.06 R)
• M4: 1,279,660 km (0.048 R)
• M5: 1,655,899 km (0.12 R)
• M6: 2,376,661 km (0.084 R)
• M7: 2,671,220 km (0.053 R)
• M8: 3,751,466 km (0.098 R)
• M9: 4,202,503 km (0.091 R)
• M10: 5,445,512 km (0.117 R)
• M11: 5,868,425 km (0.074 R)
• M12: 6,746,266 km (0.115 R)
• M13: 7,597,777 km (0.084 R)
• M14: 8,321,382 km (0.051 R)
• M15: 10,675,753 km (0.1 R)
• M16: 13,012,920 km (0.107 R)
• M17: 14,216,136 km (0.101 R)
• M18: 14,556,770 km (0.111 R)
• M19: 14,902,940 km (0.091 R)
• M20: 17,741,859 km (0.11 R)
• M21: 18,203,368 km (0.11 R)
• M22: 19,496,492 km (0.057 R)
• M23: 20,344,114 km (0.038 R)
• M24: 20,704,495 km (0.025 R)
• M25: 21,289,871 km (0.103 R)
• M26: 22,647,472 km (0.035 R)
• M27: 23,426,129 km (0.098 R)
• M28: 26,122,780 km (0.077 R)
• M29: 29,201,804 km (0.119 R)
• M30: 29,938,124 km (0.031 R)
• M31: 31,543,908 km (0.085 R)
• M32: 32,613,084 km (0.039 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808

Radius: 7.2

Gravity: 15.59 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 11.05 AU - 13.23 AU

Year: 16021 Days

Day: 16.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,341,237 km

• M1: 89,609 km (0.053 R)
• M2: 400,623 km (0.111 R)
• M3: 867,817 km (0.111 R)
• M4: 1,265,000 km (0.092 R)
• M5: 2,152,564 km (0.104 R)
• M6: 2,835,478 km (0.064 R)
• M7: 4,554,956 km (0.1 R)
• M8: 5,183,716 km (0.084 R)
• M9: 5,711,647 km (0.1 R)
• M10: 6,069,485 km (0.12 R)
• M11: 11,864,458 km (0.116 R)
• M12: 12,513,712 km (0.034 R)
• M13: 13,392,749 km (0.053 R)
• M14: 14,096,458 km (0.043 R)
• M15: 16,198,009 km (0.092 R)
• M16: 17,989,294 km (0.114 R)
• M17: 18,586,039 km (0.06 R)
• M18: 19,461,037 km (0.096 R)
• M19: 20,271,858 km (0.099 R)
• M20: 22,348,426 km (0.071 R)
• M21: 36,756,646 km (0.111 R)
• M22: 37,993,970 km (0.116 R)
• M23: 40,262,023 km (0.115 R)
• M24: 40,842,762 km (0.099 R)
• M25: 42,468,741 km (0.102 R)
• M26: 43,678,090 km (0.118 R)
• M27: 44,137,505 km (0.079 R)
• M28: 44,445,527 km (0.103 R)
• M29: 52,103,742 km (0.119 R)
• M30: 54,015,004 km (0.038 R)
• M31: 59,651,852 km (0.115 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 11,628 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit