🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.18 AU - 1.94 AU

Year: 688 Days

Day: 20.4 Hours

Environment

Temp: -33 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 50,967,992 km

• M1: 208,240 km (0.087 R)
• M2: 420,819 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.55 AU - 1.59 AU

Year: 695 Days

Day: 19.9 Hours

Environment

Temp: -21 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.25 AU - 2.01 AU

Year: 735 Days

Day: 35 Hours

Environment

Temp: -31 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.27 AU - 1.99 AU

Year: 735 Days

Day: 12.8 Hours

Environment

Temp: -35 °C

Axial Tilt: 43.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 50,967,992 km

• M1: 110,702 km (0.068 R)
• M2: 235,766 km (0.074 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.62 AU - 2.46 AU

Year: 1029 Days

Day: 25.8 Hours

Environment

Temp: -60 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 50,967,992 km

• M1: 25,432 km (0.028 R)
• M2: 345,122 km (0.108 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.93 AU - 2.93 AU

Year: 1771 Days

Day: 29 Hours

Environment

Temp: -82 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,967,992 km

• M1: 847,771 km (0.066 R)

Planet 7 - Terrestrial

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.63 AU - 5.77 AU

Year: 4187 Days

Day: 16.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,967,992 km

• M1: 3,668,439 km (0.071 R)

Asteroid Belt

Center: 7.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.2

Radius: 10.8

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 10.08 AU - 10.72 AU

Year: 11843 Days

Day: 11 Hours

Environment

Temp: -181 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 50,967,992 km

• M1: 185,202 km (0.061 R)
• M2: 335,249 km (0.079 R)
• M3: 525,837 km (0.108 R)
• M4: 603,478 km (0.073 R)
• M5: 1,371,812 km (0.046 R)
• M6: 1,576,014 km (0.073 R)
• M7: 1,766,003 km (0.092 R)
• M8: 2,090,929 km (0.114 R)
• M9: 2,627,836 km (0.104 R)
• M10: 2,740,334 km (0.094 R)
• M11: 3,176,561 km (0.044 R)
• M12: 3,760,442 km (0.112 R)
• M13: 3,855,736 km (0.101 R)
• M14: 4,344,322 km (0.103 R)
• M15: 4,646,959 km (0.118 R)
• M16: 4,852,506 km (0.097 R)
• M17: 4,991,333 km (0.082 R)
• M18: 5,308,480 km (0.116 R)
• M19: 5,925,272 km (0.093 R)
• M20: 6,223,571 km (0.086 R)
• M21: 7,186,981 km (0.087 R)
• M22: 7,385,198 km (0.103 R)
• M23: 7,909,389 km (0.108 R)
• M24: 8,155,328 km (0.062 R)
• M25: 8,570,761 km (0.101 R)
• M26: 9,422,571 km (0.103 R)
• M27: 10,931,864 km (0.082 R)
• M28: 11,068,597 km (0.117 R)
• M29: 12,420,064 km (0.117 R)
• M30: 13,381,978 km (0.082 R)
• M31: 14,218,530 km (0.099 R)
• M32: 14,718,635 km (0.075 R)
• M33: 15,530,653 km (0.087 R)
• M34: 15,942,047 km (0.081 R)
• M35: 16,253,061 km (0.051 R)
• M36: 16,357,181 km (0.095 R)
• M37: 17,197,921 km (0.037 R)
• M38: 17,516,863 km (0.108 R)
• M39: 18,377,051 km (0.087 R)
• M40: 19,692,765 km (0.055 R)
• M41: 19,859,417 km (0.047 R)
• M42: 20,868,903 km (0.077 R)
• M43: 22,472,293 km (0.091 R)
• M44: 22,937,692 km (0.12 R)
• M45: 24,770,864 km (0.06 R)
• M46: 25,553,560 km (0.071 R)
• M47: 26,958,135 km (0.102 R)
• M48: 27,081,553 km (0.051 R)
• M49: 27,390,622 km (0.073 R)
• M50: 28,827,809 km (0.089 R)
• M51: 28,953,920 km (0.068 R)
• M52: 29,969,540 km (0.06 R)
• M53: 30,225,203 km (0.081 R)
• M54: 30,996,679 km (0.11 R)
• M55: 31,190,707 km (0.104 R)
• M56: 31,970,262 km (0.052 R)
• M57: 33,350,003 km (0.058 R)
• M58: 33,548,818 km (0.114 R)
• M59: 33,681,512 km (0.088 R)
• M60: 33,880,776 km (0.073 R)
• M61: 34,615,152 km (0.114 R)
• M62: 34,749,192 km (0.104 R)
• M63: 35,760,324 km (0.087 R)
• M64: 36,507,864 km (0.1 R)
• M65: 37,054,944 km (0.109 R)
• M66: 37,123,460 km (0.102 R)
• M67: 39,830,134 km (0.103 R)
• M68: 40,181,838 km (0.066 R)
• M69: 41,384,905 km (0.073 R)
• M70: 41,598,530 km (0.086 R)
• M71: 41,955,172 km (0.03 R)
• M72: 42,599,938 km (0.073 R)
• M73: 42,743,552 km (0.091 R)
• M74: 43,971,601 km (0.113 R)
• M75: 45,211,169 km (0.091 R)
• M76: 46,536,307 km (0.082 R)
• M77: 46,980,762 km (0.072 R)
• M78: 47,874,011 km (0.049 R)
• M79: 48,023,460 km (0.065 R)
• M80: 48,322,655 km (0.11 R)
• M81: 48,923,141 km (0.095 R)
• M82: 50,359,281 km (0.101 R)
• M83: 50,815,554 km (0.085 R)

Kuiper Belt

Range: 31.1 - 60.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 13,798 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit