🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.51 AU - 0.55 AU

Year: 141 Days

Day: 26 Hours

Environment

Temp: 207 °C

Axial Tilt: 38.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.57 AU - 0.71 AU

Year: 187 Days

Day: 47 Hours

Environment

Temp: 223 °C

Axial Tilt: 38.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.81 AU - 0.85 AU

Year: 276 Days

Day: 28.5 Hours

Environment

Temp: 167 °C

Axial Tilt: 118.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.1 AU - 2.4 AU

Year: 1233 Days

Day: 43 Hours

Environment

Temp: -79 °C

Axial Tilt: 44.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.09 AU - 3.23 AU

Year: 2052 Days

Day: 27.5 Hours

Environment

Temp: -114 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.99 AU - 4.99 AU

Year: 2911 Days

Day: 23.6 Hours

Environment

Temp: -117 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,464,807 km

• M1: 866,620 km (0.064 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.92 AU - 4.08 AU

Year: 2922 Days

Day: 44.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,464,807 km

• M1: 379,081 km (0.108 R)

Planet 8 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.72 AU - 4.58 AU

Year: 3088 Days

Day: 30.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.08 AU - 5 AU

Year: 3533 Days

Day: 13.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 68,464,807 km

• M1: 460,013 km (0.114 R)
• M2: 2,134,462 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 501.1

Radius: 4.3

Gravity: 27.1 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 11.66 AU - 17.14 AU

Year: 19959 Days

Day: 22.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 68,464,807 km

• M1: 132,394 km (0.102 R)
• M2: 323,879 km (0.118 R)
• M3: 663,467 km (0.077 R)
• M4: 1,058,854 km (0.109 R)
• M5: 1,266,496 km (0.034 R)
• M6: 1,748,799 km (0.111 R)
• M7: 1,778,868 km (0.068 R)
• M8: 2,025,106 km (0.119 R)
• M9: 2,414,360 km (0.079 R)
• M10: 2,617,664 km (0.11 R)
• M11: 2,686,628 km (0.119 R)
• M12: 2,861,807 km (0.112 R)
• M13: 3,334,387 km (0.107 R)
• M14: 3,598,726 km (0.057 R)
• M15: 5,321,495 km (0.027 R)
• M16: 5,541,255 km (0.113 R)
• M17: 5,585,536 km (0.032 R)
• M18: 5,674,546 km (0.082 R)
• M19: 6,218,335 km (0.073 R)
• M20: 6,310,487 km (0.059 R)
• M21: 6,449,763 km (0.118 R)
• M22: 6,873,424 km (0.117 R)
• M23: 7,257,741 km (0.072 R)
• M24: 7,306,210 km (0.091 R)
• M25: 7,797,191 km (0.063 R)
• M26: 8,451,382 km (0.097 R)
• M27: 8,862,776 km (0.12 R)
• M28: 9,018,657 km (0.095 R)
• M29: 10,352,771 km (0.059 R)
• M30: 10,792,589 km (0.091 R)
• M31: 11,014,742 km (0.107 R)
• M32: 11,182,441 km (0.077 R)
• M33: 12,611,848 km (0.083 R)
• M34: 13,081,287 km (0.088 R)
• M35: 13,496,720 km (0.11 R)
• M36: 15,015,437 km (0.09 R)
• M37: 15,325,554 km (0.115 R)
• M38: 17,036,804 km (0.113 R)
• M39: 17,490,235 km (0.068 R)
• M40: 17,555,460 km (0.079 R)
• M41: 18,013,379 km (0.069 R)
• M42: 19,208,965 km (0.062 R)
• M43: 19,276,134 km (0.103 R)
• M44: 20,911,538 km (0.057 R)
• M45: 22,096,653 km (0.107 R)
• M46: 22,803,951 km (0.113 R)
• M47: 23,017,577 km (0.111 R)
• M48: 23,734,450 km (0.116 R)
• M49: 25,189,888 km (0.06 R)
• M50: 25,854,252 km (0.079 R)
• M51: 26,002,803 km (0.049 R)
• M52: 28,339,222 km (0.1 R)
• M53: 29,184,301 km (0.107 R)
• M54: 32,566,260 km (0.04 R)
• M55: 36,152,719 km (0.071 R)
• M56: 36,318,623 km (0.048 R)
• M57: 36,401,799 km (0.048 R)
• M58: 37,655,579 km (0.119 R)
• M59: 39,178,635 km (0.115 R)
• M60: 39,263,906 km (0.12 R)
• M61: 39,349,177 km (0.115 R)
• M62: 39,519,868 km (0.109 R)
• M63: 40,549,400 km (0.063 R)
• M64: 41,414,076 km (0.105 R)
• M65: 41,674,676 km (0.079 R)
• M66: 42,022,939 km (0.117 R)
• M67: 42,110,155 km (0.049 R)
• M68: 42,810,123 km (0.116 R)
• M69: 43,337,606 km (0.104 R)
• M70: 44,665,735 km (0.073 R)
• M71: 46,007,180 km (0.09 R)
• M72: 47,452,594 km (0.102 R)
• M73: 49,556,389 km (0.106 R)
• M74: 50,758,857 km (0.11 R)
• M75: 50,851,757 km (0.075 R)
• M76: 52,064,547 km (0.079 R)
• M77: 52,815,528 km (0.036 R)
• M78: 53,098,119 km (0.045 R)
• M79: 54,518,550 km (0.111 R)
• M80: 54,804,133 km (0.119 R)
• M81: 55,663,722 km (0.05 R)
• M82: 57,009,953 km (0.105 R)
• M83: 57,106,444 km (0.088 R)
• M84: 60,028,539 km (0.088 R)
• M85: 61,606,797 km (0.061 R)
• M86: 62,301,679 km (0.078 R)
• M87: 62,998,955 km (0.093 R)
• M88: 64,200,525 km (0.088 R)
• M89: 66,118,220 km (0.087 R)
• M90: 66,931,284 km (0.085 R)
• M91: 67,645,464 km (0.101 R)
• M92: 67,849,965 km (0.1 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 19,782 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit