🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.45 AU - 0.59 AU

Year: 131 Days

Day: 14.3 Hours

Environment

Temp: 247 °C

Axial Tilt: 10.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.73 AU - 0.77 AU

Year: 227 Days

Day: 46.8 Hours

Environment

Temp: 154 °C

Axial Tilt: 10.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 24,386,495 km

• M1: 306,376 km (0.073 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.97 AU - 1.09 AU

Year: 366 Days

Day: 27.5 Hours

Environment

Temp: 75 °C

Axial Tilt: 9.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.69 AU - 2.23 AU

Year: 960 Days

Day: 44.7 Hours

Environment

Temp: -59 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.95 AU - 1.99 AU

Year: 967 Days

Day: 42.3 Hours

Environment

Temp: -50 °C

Axial Tilt: 41.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.89 AU - 2.93 AU

Year: 1309 Days

Day: 35 Hours

Environment

Temp: -74 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 24,386,495 km

• M1: 1,126,023 km (0.101 R)
• M2: 1,311,525 km (0.112 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.61 AU - 3.65 AU

Year: 1937 Days

Day: 23.3 Hours

Environment

Temp: -91 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.15 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.3

Radius: 13.8

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.93 AU - 8.39 AU

Year: 6703 Days

Day: 6.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 122.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 24,386,495 km

• M1: 174,431 km (0.087 R)
• M2: 537,655 km (0.05 R)
• M3: 1,177,335 km (0.111 R)
• M4: 1,407,267 km (0.114 R)
• M5: 1,519,765 km (0.085 R)
• M6: 1,652,308 km (0.11 R)
• M7: 2,019,272 km (0.062 R)
• M8: 2,147,627 km (0.097 R)
• M9: 2,628,285 km (0.112 R)
• M10: 2,912,371 km (0.104 R)
• M11: 3,292,649 km (0.116 R)
• M12: 3,688,784 km (0.065 R)
• M13: 3,961,651 km (0.083 R)
• M14: 4,123,965 km (0.106 R)
• M15: 4,264,736 km (0.06 R)
• M16: 4,697,074 km (0.113 R)
• M17: 5,578,056 km (0.103 R)
• M18: 5,865,583 km (0.065 R)
• M19: 6,265,608 km (0.11 R)
• M20: 6,400,844 km (0.094 R)
• M21: 6,592,030 km (0.114 R)
• M22: 6,701,985 km (0.112 R)
• M23: 6,868,337 km (0.118 R)
• M24: 7,375,325 km (0.108 R)
• M25: 8,011,564 km (0.107 R)
• M26: 8,099,678 km (0.068 R)
• M27: 8,455,571 km (0.042 R)
• M28: 9,182,766 km (0.094 R)
• M29: 11,120,059 km (0.065 R)
• M30: 11,317,378 km (0.064 R)
• M31: 11,748,818 km (0.072 R)
• M32: 12,253,412 km (0.102 R)
• M33: 12,730,629 km (0.102 R)
• M34: 12,868,110 km (0.109 R)
• M35: 13,809,230 km (0.093 R)
• M36: 14,772,640 km (0.101 R)
• M37: 15,062,112 km (0.105 R)
• M38: 15,207,671 km (0.102 R)
• M39: 15,317,176 km (0.103 R)
• M40: 15,426,832 km (0.1 R)
• M41: 15,905,246 km (0.108 R)
• M42: 17,484,251 km (0.091 R)
• M43: 17,983,010 km (0.112 R)
• M44: 18,137,395 km (0.114 R)
• M45: 18,331,125 km (0.098 R)
• M46: 18,486,557 km (0.05 R)
• M47: 18,759,573 km (0.064 R)
• M48: 19,230,806 km (0.101 R)
• M49: 19,388,782 km (0.066 R)
• M50: 20,225,183 km (0.094 R)
• M51: 20,425,944 km (0.097 R)
• M52: 20,546,819 km (0.113 R)
• M53: 21,073,254 km (0.037 R)
• M54: 21,276,856 km (0.092 R)
• M55: 21,604,176 km (0.099 R)
• M56: 22,056,710 km (0.061 R)
• M57: 22,346,481 km (0.074 R)
• M58: 22,470,947 km (0.077 R)
• M59: 22,804,251 km (0.092 R)
• M60: 24,409,436 km (0.11 R)
• M61: 25,355,343 km (0.077 R)
• M62: 25,485,194 km (0.092 R)
• M63: 25,702,261 km (0.118 R)
• M64: 25,919,925 km (0.059 R)
• M65: 26,269,536 km (0.108 R)
• M66: 26,664,624 km (0.069 R)
• M67: 28,264,573 km (0.102 R)
• M68: 29,257,604 km (0.065 R)
• M69: 29,484,843 km (0.097 R)
• M70: 29,849,712 km (0.069 R)
• M71: 30,953,445 km (0.076 R)
• M72: 31,046,046 km (0.049 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.6

Radius: 14.1

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 10.38 AU - 11.46 AU

Year: 12624 Days

Day: 12.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 24,386,495 km

• M1: 177,573 km (0.108 R)
• M2: 347,665 km (0.089 R)
• M3: 540,048 km (0.12 R)
• M4: 672,592 km (0.11 R)
• M5: 807,380 km (0.09 R)
• M6: 929,452 km (0.101 R)
• M7: 1,156,691 km (0.04 R)
• M8: 1,917,546 km (0.026 R)
• M9: 2,008,950 km (0.118 R)
• M10: 2,656,709 km (0.084 R)
• M11: 2,811,243 km (0.027 R)
• M12: 3,111,337 km (0.109 R)
• M13: 3,329,749 km (0.112 R)
• M14: 3,422,201 km (0.112 R)
• M15: 3,976,012 km (0.081 R)
• M16: 4,354,196 km (0.077 R)
• M17: 4,599,237 km (0.12 R)
• M18: 4,890,803 km (0.1 R)
• M19: 5,038,905 km (0.039 R)
• M20: 5,167,110 km (0.104 R)
• M21: 5,712,993 km (0.055 R)
• M22: 6,323,352 km (0.095 R)
• M23: 6,765,414 km (0.032 R)
• M24: 6,907,083 km (0.031 R)
• M25: 7,073,735 km (0.087 R)
• M26: 7,362,459 km (0.056 R)
• M27: 8,151,438 km (0.042 R)
• M28: 8,735,319 km (0.12 R)
• M29: 9,045,286 km (0.12 R)
• M30: 9,543,596 km (0.088 R)
• M31: 9,782,803 km (0.071 R)
• M32: 9,889,766 km (0.055 R)
• M33: 10,023,955 km (0.051 R)
• M34: 10,430,263 km (0.094 R)
• M35: 10,621,748 km (0.116 R)
• M36: 10,759,378 km (0.104 R)
• M37: 12,224,390 km (0.089 R)
• M38: 12,368,602 km (0.083 R)
• M39: 12,542,435 km (0.078 R)
• M40: 12,687,844 km (0.025 R)
• M41: 12,950,987 km (0.111 R)
• M42: 13,334,406 km (0.113 R)
• M43: 13,931,601 km (0.095 R)
• M44: 14,659,843 km (0.049 R)
• M45: 14,997,785 km (0.091 R)
• M46: 15,900,907 km (0.11 R)
• M47: 16,153,279 km (0.117 R)
• M48: 16,406,847 km (0.118 R)
• M49: 16,502,291 km (0.108 R)
• M50: 16,853,846 km (0.066 R)
• M51: 17,727,348 km (0.117 R)
• M52: 18,350,872 km (0.119 R)
• M53: 18,449,905 km (0.113 R)
• M54: 18,881,495 km (0.083 R)
• M55: 19,249,207 km (0.104 R)
• M56: 19,349,886 km (0.106 R)
• M57: 19,484,524 km (0.082 R)
• M58: 19,890,084 km (0.098 R)
• M59: 20,196,012 km (0.086 R)
• M60: 20,572,250 km (0.089 R)
• M61: 21,088,812 km (0.096 R)
• M62: 21,714,430 km (0.065 R)
• M63: 22,205,261 km (0.051 R)
• M64: 22,593,617 km (0.095 R)
• M65: 22,984,067 km (0.064 R)
• M66: 23,843,806 km (0.085 R)
• M67: 24,168,882 km (0.094 R)

Kuiper Belt

Range: 31.4 - 50.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 16,497 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit