🌌 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: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.56 AU - 0.68 AU

Year: 176 Days

Day: 39.7 Hours

Environment

Temp: 227 °C

Axial Tilt: 0.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 27,798,650 km

• M1: 34,557 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.57 AU - 0.93 AU

Year: 234 Days

Day: 22 Hours

Environment

Temp: 135 °C

Axial Tilt: 2.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.35 AU - 1.97 AU

Year: 770 Days

Day: 30.5 Hours

Environment

Temp: -50 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,798,650 km

• M1: 200,760 km (0.029 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.86 AU - 2.76 AU

Year: 1264 Days

Day: 27.6 Hours

Environment

Temp: -77 °C

Axial Tilt: 48.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,798,650 km

• M1: 2,242,173 km (0.058 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.85 AU - 2.89 AU

Year: 1750 Days

Day: 31.9 Hours

Environment

Temp: -91 °C

Axial Tilt: 44.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.88 AU - 2.9 AU

Year: 1768 Days

Day: 45.8 Hours

Environment

Temp: -93 °C

Axial Tilt: 62.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.09 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.1

Radius: 14.6

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.97 AU - 7.59 AU

Year: 7069 Days

Day: 12.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 27,798,650 km

• M1: 267,631 km (0.119 R)
• M2: 471,981 km (0.082 R)
• M3: 574,007 km (0.085 R)
• M4: 700,417 km (0.083 R)
• M5: 806,482 km (0.031 R)
• M6: 918,980 km (0.117 R)
• M7: 1,037,461 km (0.116 R)
• M8: 1,272,629 km (0.09 R)
• M9: 2,267,305 km (0.097 R)
• M10: 2,553,636 km (0.034 R)
• M11: 2,979,690 km (0.119 R)
• M12: 3,267,666 km (0.114 R)
• M13: 3,374,778 km (0.034 R)
• M14: 3,592,443 km (0.097 R)
• M15: 3,956,116 km (0.112 R)
• M16: 4,479,708 km (0.076 R)
• M17: 4,659,226 km (0.086 R)
• M18: 6,279,969 km (0.111 R)
• M19: 6,616,863 km (0.1 R)
• M20: 7,308,454 km (0.104 R)
• M21: 7,520,435 km (0.101 R)
• M22: 7,627,247 km (0.099 R)
• M23: 10,338,858 km (0.089 R)
• M24: 11,140,553 km (0.036 R)
• M25: 11,303,316 km (0.115 R)
• M26: 11,507,816 km (0.078 R)
• M27: 13,317,502 km (0.103 R)
• M28: 13,533,671 km (0.103 R)
• M29: 14,057,263 km (0.077 R)
• M30: 15,079,316 km (0.113 R)
• M31: 15,214,403 km (0.092 R)
• M32: 15,576,729 km (0.079 R)
• M33: 16,355,984 km (0.045 R)
• M34: 16,820,186 km (0.095 R)
• M35: 17,147,806 km (0.094 R)
• M36: 18,191,251 km (0.108 R)
• M37: 18,624,037 km (0.06 R)
• M38: 18,865,937 km (0.11 R)
• M39: 19,499,933 km (0.09 R)
• M40: 20,638,522 km (0.119 R)
• M41: 21,291,667 km (0.047 R)
• M42: 21,646,064 km (0.089 R)
• M43: 21,849,517 km (0.032 R)
• M44: 22,104,731 km (0.074 R)
• M45: 22,360,992 km (0.071 R)
• M46: 22,566,689 km (0.11 R)
• M47: 22,772,985 km (0.109 R)
• M48: 23,604,599 km (0.103 R)
• M49: 24,551,853 km (0.111 R)
• M50: 25,136,930 km (0.08 R)
• M51: 26,592,517 km (0.092 R)
• M52: 27,248,355 km (0.088 R)
• M53: 27,468,114 km (0.066 R)
• M54: 27,633,270 km (0.119 R)
• M55: 27,909,278 km (0.113 R)
• M56: 29,191,033 km (0.106 R)
• M57: 29,416,028 km (0.094 R)
• M58: 29,528,675 km (0.115 R)
• M59: 30,037,308 km (0.1 R)
• M60: 30,207,550 km (0.116 R)
• M61: 30,834,515 km (0.108 R)
• M62: 30,948,957 km (0.089 R)
• M63: 31,696,348 km (0.088 R)
• M64: 32,799,333 km (0.104 R)
• M65: 33,033,155 km (0.114 R)
• M66: 33,150,290 km (0.093 R)
• M67: 34,210,490 km (0.098 R)
• M68: 34,388,362 km (0.097 R)
• M69: 35,102,692 km (0.116 R)
• M70: 35,821,809 km (0.101 R)
• M71: 36,062,661 km (0.079 R)
• M72: 36,364,400 km (0.1 R)
• M73: 37,641,068 km (0.043 R)
• M74: 38,561,843 km (0.084 R)
• M75: 38,932,247 km (0.077 R)
• M76: 39,055,965 km (0.092 R)
• M77: 40,676,559 km (0.062 R)
• M78: 41,179,507 km (0.078 R)
• M79: 42,255,415 km (0.044 R)
• M80: 42,573,609 km (0.036 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.7

Radius: 11.1

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 11.75 AU - 12.25 AU

Year: 14960 Days

Day: 8.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 27,798,650 km

• M1: 138,976 km (0.042 R)
• M2: 376,089 km (0.082 R)
• M3: 683,662 km (0.097 R)
• M4: 1,404,724 km (0.077 R)
• M5: 1,633,758 km (0.073 R)
• M6: 1,712,896 km (0.109 R)
• M7: 2,163,036 km (0.095 R)
• M8: 2,593,578 km (0.097 R)
• M9: 2,953,511 km (0.081 R)
• M10: 3,209,024 km (0.085 R)
• M11: 4,457,867 km (0.119 R)
• M12: 5,334,062 km (0.097 R)
• M13: 5,573,568 km (0.114 R)
• M14: 5,645,973 km (0.11 R)
• M15: 5,964,018 km (0.065 R)
• M16: 6,237,633 km (0.05 R)
• M17: 8,101,323 km (0.084 R)
• M18: 8,739,657 km (0.054 R)
• M19: 8,880,578 km (0.112 R)
• M20: 9,107,668 km (0.114 R)
• M21: 9,480,765 km (0.045 R)
• M22: 10,123,587 km (0.118 R)
• M23: 11,760,786 km (0.116 R)
• M24: 12,010,166 km (0.111 R)
• M25: 12,609,754 km (0.113 R)
• M26: 13,478,619 km (0.046 R)
• M27: 14,167,666 km (0.055 R)
• M28: 14,433,203 km (0.057 R)
• M29: 16,442,003 km (0.07 R)
• M30: 16,721,152 km (0.038 R)
• M31: 18,645,729 km (0.11 R)
• M32: 19,156,157 km (0.056 R)
• M33: 19,782,074 km (0.045 R)
• M34: 21,243,346 km (0.119 R)
• M35: 22,121,336 km (0.039 R)
• M36: 22,275,273 km (0.074 R)
• M37: 24,031,103 km (0.069 R)
• M38: 24,229,021 km (0.118 R)
• M39: 26,890,816 km (0.096 R)
• M40: 27,055,224 km (0.05 R)
• M41: 27,302,210 km (0.106 R)

Kuiper Belt

Range: 30.5 - 52.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 13,555 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit