🌌 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: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.5 AU - 0.74 AU

Year: 172 Days

Day: 20.9 Hours

Environment

Temp: 169 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,110,942 km

• M1: 80,484 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.8 AU - 1.26 AU

Year: 367 Days

Day: 13.1 Hours

Environment

Temp: 122 °C

Axial Tilt: 33.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.03 AU - 1.21 AU

Year: 417 Days

Day: 42.8 Hours

Environment

Temp: 47 °C

Axial Tilt: 49.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 55,110,942 km

• M1: 672,891 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.58 AU - 1.86 AU

Year: 793 Days

Day: 32.6 Hours

Environment

Temp: -32 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.1

Radius: 12.7

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.26 AU - 8.58 AU

Year: 7834 Days

Day: 14.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 55,110,942 km

• M1: 208,539 km (0.116 R)
• M2: 552,465 km (0.054 R)
• M3: 1,319,453 km (0.117 R)
• M4: 2,273,888 km (0.111 R)
• M5: 2,697,100 km (0.111 R)
• M6: 3,758,946 km (0.102 R)
• M7: 4,171,537 km (0.118 R)
• M8: 4,918,778 km (0.115 R)
• M9: 6,979,040 km (0.074 R)
• M10: 8,316,744 km (0.101 R)
• M11: 9,570,225 km (0.052 R)
• M12: 10,740,379 km (0.107 R)
• M13: 11,000,081 km (0.082 R)
• M14: 12,345,714 km (0.093 R)
• M15: 12,858,835 km (0.12 R)
• M16: 14,411,660 km (0.079 R)
• M17: 15,739,342 km (0.112 R)
• M18: 16,532,061 km (0.105 R)
• M19: 17,071,511 km (0.109 R)
• M20: 18,232,988 km (0.05 R)
• M21: 18,515,130 km (0.064 R)
• M22: 18,799,516 km (0.09 R)
• M23: 19,490,957 km (0.117 R)
• M24: 24,162,450 km (0.108 R)
• M25: 24,487,526 km (0.096 R)
• M26: 25,012,016 km (0.025 R)
• M27: 27,235,190 km (0.082 R)
• M28: 28,417,612 km (0.1 R)
• M29: 31,005,056 km (0.079 R)
• M30: 31,373,366 km (0.039 R)
• M31: 32,191,367 km (0.051 R)
• M32: 38,295,260 km (0.066 R)
• M33: 39,033,675 km (0.035 R)
• M34: 39,447,163 km (0.102 R)
• M35: 40,280,423 km (0.103 R)
• M36: 40,953,315 km (0.091 R)
• M37: 41,631,741 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.3

Radius: 11.4

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 11.54 AU - 12.5 AU

Year: 14647 Days

Day: 7.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 55,110,942 km

• M1: 154,086 km (0.046 R)
• M2: 566,677 km (0.084 R)
• M3: 878,738 km (0.102 R)
• M4: 1,177,036 km (0.119 R)
• M5: 1,582,446 km (0.06 R)
• M6: 2,054,727 km (0.083 R)
• M7: 2,745,570 km (0.099 R)
• M8: 3,144,547 km (0.118 R)
• M9: 3,720,798 km (0.082 R)
• M10: 4,122,469 km (0.106 R)
• M11: 5,418,884 km (0.029 R)
• M12: 8,059,735 km (0.071 R)
• M13: 8,330,357 km (0.096 R)
• M14: 9,555,863 km (0.079 R)
• M15: 10,100,100 km (0.109 R)
• M16: 12,993,323 km (0.071 R)
• M17: 14,457,737 km (0.096 R)
• M18: 15,312,240 km (0.04 R)
• M19: 18,702,875 km (0.1 R)
• M20: 19,046,950 km (0.113 R)
• M21: 23,729,513 km (0.099 R)
• M22: 25,779,752 km (0.066 R)
• M23: 26,672,852 km (0.1 R)
• M24: 30,748,945 km (0.118 R)
• M25: 33,444,399 km (0.033 R)
• M26: 40,176,004 km (0.069 R)
• M27: 46,007,030 km (0.064 R)
• M28: 51,548,285 km (0.093 R)
• M29: 52,119,749 km (0.05 R)
• M30: 52,349,232 km (0.105 R)
• M31: 54,086,512 km (0.114 R)
• M32: 55,378,589 km (0.038 R)
• M33: 56,208,707 km (0.102 R)
• M34: 56,805,453 km (0.107 R)
• M35: 62,946,894 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.3

Radius: 14.5

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 12.77 AU - 12.95 AU

Year: 16208 Days

Day: 13.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,110,942 km

• M1: 229,782 km (0.091 R)
• M2: 1,241,662 km (0.111 R)
• M3: 1,862,643 km (0.105 R)
• M4: 4,704,853 km (0.075 R)
• M5: 5,700,277 km (0.074 R)
• M6: 6,344,894 km (0.118 R)
• M7: 7,619,319 km (0.092 R)
• M8: 8,112,244 km (0.108 R)
• M9: 9,145,815 km (0.1 R)
• M10: 9,595,207 km (0.105 R)
• M11: 9,962,620 km (0.04 R)
• M12: 12,366,209 km (0.063 R)
• M13: 12,836,395 km (0.077 R)
• M14: 16,616,135 km (0.095 R)
• M15: 16,978,610 km (0.119 R)
• M16: 19,955,309 km (0.095 R)
• M17: 20,821,480 km (0.068 R)
• M18: 22,120,888 km (0.12 R)
• M19: 25,133,938 km (0.059 R)
• M20: 26,866,132 km (0.069 R)
• M21: 27,870,831 km (0.116 R)
• M22: 30,260,358 km (0.092 R)
• M23: 33,087,907 km (0.11 R)
• M24: 35,072,772 km (0.105 R)
• M25: 37,115,681 km (0.105 R)
• M26: 37,658,122 km (0.074 R)
• M27: 38,571,118 km (0.072 R)
• M28: 42,044,482 km (0.107 R)
• M29: 43,106,178 km (0.099 R)
• M30: 47,587,681 km (0.102 R)
• M31: 49,130,933 km (0.105 R)
• M32: 54,781,843 km (0.059 R)

Kuiper Belt

Range: 31.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 11,601 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit