🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.89 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.35 AU - 2.21 AU

Year: 851 Days

Day: 18.4 Hours

Environment

Temp: -40 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.17 AU - 2.25 AU

Year: 1177 Days

Day: 45.7 Hours

Environment

Temp: -76 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.31 AU - 3.63 AU

Year: 2315 Days

Day: 20 Hours

Environment

Temp: -104 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.6

Radius: 14.3

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.51 AU - 5.79 AU

Year: 4810 Days

Day: 14 Hours

Environment

Temp: -137 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 62,304,930 km

• M1: 178,321 km (0.111 R)
• M2: 296,503 km (0.035 R)
• M3: 444,904 km (0.056 R)
• M4: 834,008 km (0.119 R)
• M5: 1,172,548 km (0.092 R)
• M6: 1,305,092 km (0.09 R)
• M7: 1,943,276 km (0.119 R)
• M8: 2,045,152 km (0.085 R)
• M9: 2,302,311 km (0.072 R)
• M10: 3,030,853 km (0.06 R)
• M11: 3,257,643 km (0.051 R)
• M12: 3,685,643 km (0.067 R)
• M13: 3,870,695 km (0.065 R)
• M14: 4,073,400 km (0.049 R)
• M15: 4,294,506 km (0.079 R)
• M16: 4,841,735 km (0.083 R)
• M17: 5,394,948 km (0.107 R)
• M18: 5,736,779 km (0.08 R)
• M19: 5,918,690 km (0.092 R)
• M20: 6,119,301 km (0.054 R)
• M21: 6,424,481 km (0.104 R)
• M22: 7,245,174 km (0.101 R)
• M23: 7,334,484 km (0.091 R)
• M24: 8,061,829 km (0.107 R)
• M25: 8,453,028 km (0.102 R)
• M26: 8,641,521 km (0.117 R)
• M27: 8,812,362 km (0.064 R)
• M28: 9,409,556 km (0.114 R)
• M29: 9,861,043 km (0.109 R)
• M30: 10,039,812 km (0.039 R)
• M31: 10,219,479 km (0.106 R)
• M32: 10,480,976 km (0.107 R)
• M33: 11,382,603 km (0.067 R)
• M34: 11,611,936 km (0.074 R)
• M35: 11,884,803 km (0.062 R)
• M36: 12,159,913 km (0.106 R)
• M37: 12,867,810 km (0.12 R)
• M38: 13,545,040 km (0.079 R)
• M39: 13,832,567 km (0.084 R)
• M40: 14,278,668 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.3

Radius: 8.7

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.53 AU - 7.15 AU

Year: 5718 Days

Day: 6.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,304,930 km

• M1: 121,922 km (0.072 R)
• M2: 242,797 km (0.118 R)
• M3: 362,176 km (0.089 R)
• M4: 536,608 km (0.026 R)
• M5: 591,660 km (0.041 R)
• M6: 1,062,594 km (0.104 R)
• M7: 1,396,945 km (0.112 R)
• M8: 1,564,046 km (0.047 R)
• M9: 1,926,821 km (0.084 R)
• M10: 2,259,676 km (0.051 R)
• M11: 2,456,696 km (0.097 R)
• M12: 2,591,334 km (0.07 R)
• M13: 2,807,653 km (0.103 R)
• M14: 3,513,605 km (0.074 R)
• M15: 3,600,073 km (0.103 R)
• M16: 3,808,612 km (0.107 R)
• M17: 4,100,328 km (0.115 R)
• M18: 4,203,102 km (0.113 R)
• M19: 4,422,711 km (0.112 R)
• M20: 5,476,030 km (0.106 R)
• M21: 5,538,861 km (0.036 R)
• M22: 5,690,703 km (0.078 R)
• M23: 6,470,108 km (0.054 R)
• M24: 7,117,717 km (0.113 R)
• M25: 7,269,110 km (0.117 R)
• M26: 7,324,312 km (0.109 R)
• M27: 7,407,638 km (0.042 R)
• M28: 7,533,001 km (0.097 R)
• M29: 7,899,216 km (0.094 R)
• M30: 8,041,634 km (0.087 R)
• M31: 8,184,948 km (0.081 R)
• M32: 9,092,259 km (0.116 R)
• M33: 9,969,501 km (0.098 R)
• M34: 10,387,179 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.7

Radius: 6.1

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 12.54 AU - 14.2 AU

Year: 17509 Days

Day: 20.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 62,304,930 km

• M1: 77,791 km (0.087 R)
• M2: 157,676 km (0.094 R)
• M3: 238,908 km (0.112 R)
• M4: 383,120 km (0.063 R)
• M5: 448,943 km (0.116 R)
• M6: 669,899 km (0.105 R)
• M7: 856,747 km (0.081 R)
• M8: 1,130,960 km (0.104 R)
• M9: 1,728,155 km (0.108 R)
• M10: 2,439,642 km (0.096 R)
• M11: 2,598,216 km (0.068 R)
• M12: 2,793,142 km (0.113 R)
• M13: 2,892,325 km (0.095 R)
• M14: 3,162,499 km (0.102 R)
• M15: 3,691,028 km (0.088 R)
• M16: 4,208,786 km (0.032 R)
• M17: 4,322,780 km (0.064 R)
• M18: 4,670,595 km (0.117 R)
• M19: 4,867,765 km (0.064 R)
• M20: 4,907,558 km (0.113 R)
• M21: 5,108,019 km (0.089 R)
• M22: 5,188,952 km (0.12 R)
• M23: 5,229,642 km (0.093 R)
• M24: 5,434,442 km (0.07 R)
• M25: 6,322,904 km (0.105 R)
• M26: 6,409,820 km (0.077 R)
• M27: 6,584,999 km (0.119 R)
• M28: 8,325,869 km (0.039 R)
• M29: 8,564,927 km (0.062 R)
• M30: 8,661,268 km (0.103 R)
• M31: 8,806,378 km (0.117 R)
• M32: 9,197,277 km (0.118 R)
• M33: 9,295,862 km (0.053 R)
• M34: 9,543,895 km (0.041 R)
• M35: 10,046,544 km (0.076 R)
• M36: 10,198,984 km (0.113 R)
• M37: 10,764,764 km (0.087 R)
• M38: 12,304,275 km (0.077 R)
• M39: 12,412,883 km (0.105 R)
• M40: 12,850,906 km (0.116 R)
• M41: 12,905,958 km (0.115 R)
• M42: 14,138,046 km (0.037 R)
• M43: 14,883,642 km (0.108 R)
• M44: 14,999,431 km (0.077 R)
• M45: 15,700,745 km (0.066 R)
• M46: 15,996,201 km (0.066 R)
• M47: 16,233,763 km (0.071 R)
• M48: 16,652,337 km (0.074 R)
• M49: 19,174,857 km (0.051 R)
• M50: 21,029,571 km (0.066 R)
• M51: 21,355,096 km (0.054 R)
• M52: 23,815,383 km (0.109 R)
• M53: 24,290,805 km (0.112 R)
• M54: 24,632,337 km (0.107 R)
• M55: 25,320,188 km (0.112 R)
• M56: 27,634,467 km (0.083 R)
• M57: 28,997,303 km (0.092 R)
• M58: 30,161,923 km (0.073 R)
• M59: 30,235,076 km (0.093 R)
• M60: 32,762,083 km (0.087 R)
• M61: 33,290,762 km (0.104 R)
• M62: 34,279,903 km (0.073 R)
• M63: 34,662,874 km (0.079 R)
• M64: 35,124,383 km (0.118 R)
• M65: 35,510,495 km (0.098 R)
• M66: 35,587,987 km (0.066 R)
• M67: 36,209,117 km (0.094 R)
• M68: 38,649,956 km (0.037 R)
• M69: 39,048,485 km (0.113 R)
• M70: 40,737,595 km (0.053 R)
• M71: 40,980,841 km (0.092 R)
• M72: 41,305,917 km (0.1 R)
• M73: 44,436,552 km (0.089 R)
• M74: 46,876,493 km (0.061 R)
• M75: 47,813,275 km (0.057 R)
• M76: 51,534,372 km (0.045 R)
• M77: 52,765,862 km (0.106 R)
• M78: 52,854,125 km (0.07 R)
• M79: 52,942,537 km (0.03 R)
• M80: 54,006,926 km (0.041 R)
• M81: 54,452,578 km (0.106 R)
• M82: 55,078,346 km (0.117 R)
• M83: 56,337,212 km (0.113 R)
• M84: 56,517,926 km (0.079 R)
• M85: 56,970,310 km (0.1 R)
• M86: 57,151,623 km (0.114 R)
• M87: 57,696,608 km (0.061 R)
• M88: 58,060,878 km (0.098 R)
• M89: 60,078,206 km (0.107 R)
• M90: 62,118,272 km (0.079 R)

Kuiper Belt

Range: 30.6 - 48.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 13,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit