🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.63 AU - 0.65 AU

Year: 186 Days

Day: 13 Hours

Environment

Temp: 184 °C

Axial Tilt: 8.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.93 AU - 3.75 AU

Year: 2218 Days

Day: 20.6 Hours

Environment

Temp: -104 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Ice Giant

Semi-Major Axis: 13.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917

Radius: 5.9

Gravity: 26.34 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 12.13 AU - 15.75 AU

Year: 18916 Days

Day: 21.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 91,487,057 km

• M1: 93,798 km (0.026 R)
• M2: 131,197 km (0.058 R)
• M3: 207,043 km (0.078 R)
• M4: 535,411 km (0.071 R)
• M5: 647,908 km (0.118 R)
• M6: 1,200,972 km (0.064 R)
• M7: 1,536,520 km (0.108 R)
• M8: 1,665,623 km (0.119 R)
• M9: 1,934,300 km (0.119 R)
• M10: 2,003,714 km (0.116 R)
• M11: 2,109,330 km (0.059 R)
• M12: 2,437,099 km (0.106 R)
• M13: 3,099,219 km (0.086 R)
• M14: 3,180,600 km (0.106 R)
• M15: 3,641,063 km (0.041 R)
• M16: 4,077,589 km (0.11 R)
• M17: 5,681,877 km (0.068 R)
• M18: 6,811,939 km (0.095 R)
• M19: 9,564,839 km (0.117 R)
• M20: 9,624,229 km (0.118 R)
• M21: 9,743,309 km (0.06 R)
• M22: 10,652,416 km (0.04 R)
• M23: 11,148,183 km (0.084 R)
• M24: 11,461,890 km (0.065 R)
• M25: 11,588,150 km (0.096 R)
• M26: 11,906,046 km (0.08 R)
• M27: 12,291,111 km (0.079 R)
• M28: 13,073,657 km (0.087 R)
• M29: 13,205,602 km (0.072 R)
• M30: 15,585,854 km (0.117 R)
• M31: 16,431,830 km (0.119 R)
• M32: 16,788,771 km (0.114 R)
• M33: 17,292,766 km (0.054 R)
• M34: 17,874,702 km (0.089 R)
• M35: 17,948,005 km (0.084 R)
• M36: 18,241,815 km (0.063 R)
• M37: 20,266,323 km (0.093 R)
• M38: 22,124,777 km (0.106 R)
• M39: 22,756,379 km (0.07 R)
• M40: 22,994,689 km (0.087 R)
• M41: 24,360,966 km (0.087 R)
• M42: 24,686,192 km (0.104 R)
• M43: 25,258,852 km (0.092 R)
• M44: 28,614,333 km (0.118 R)
• M45: 28,871,641 km (0.075 R)
• M46: 28,957,510 km (0.036 R)
• M47: 30,693,743 km (0.112 R)
• M48: 31,929,122 km (0.095 R)
• M49: 32,017,983 km (0.117 R)
• M50: 33,180,658 km (0.098 R)
• M51: 35,087,732 km (0.112 R)
• M52: 36,471,662 km (0.051 R)
• M53: 36,936,911 km (0.119 R)
• M54: 39,102,191 km (0.117 R)
• M55: 39,482,917 km (0.103 R)
• M56: 40,921,750 km (0.081 R)
• M57: 41,502,040 km (0.112 R)
• M58: 42,182,560 km (0.119 R)
• M59: 42,475,323 km (0.093 R)
• M60: 42,866,671 km (0.087 R)
• M61: 43,850,427 km (0.096 R)
• M62: 44,147,080 km (0.108 R)
• M63: 47,149,210 km (0.114 R)
• M64: 47,859,052 km (0.095 R)
• M65: 48,368,283 km (0.118 R)
• M66: 49,186,882 km (0.112 R)
• M67: 49,700,751 km (0.09 R)
• M68: 50,734,023 km (0.027 R)
• M69: 51,669,908 km (0.105 R)
• M70: 52,087,585 km (0.077 R)
• M71: 52,611,477 km (0.047 R)
• M72: 54,936,826 km (0.116 R)
• M73: 55,576,955 km (0.069 R)
• M74: 56,541,562 km (0.085 R)
• M75: 56,649,123 km (0.039 R)
• M76: 57,295,685 km (0.054 R)
• M77: 58,270,016 km (0.056 R)
• M78: 61,778,834 km (0.079 R)
• M79: 65,694,110 km (0.089 R)
• M80: 66,373,434 km (0.052 R)
• M81: 67,624,670 km (0.111 R)
• M82: 67,852,957 km (0.045 R)
• M83: 69,113,468 km (0.114 R)
• M84: 70,150,481 km (0.116 R)
• M85: 75,175,772 km (0.105 R)
• M86: 75,530,619 km (0.098 R)
• M87: 75,767,582 km (0.039 R)
• M88: 76,123,475 km (0.06 R)
• M89: 77,791,342 km (0.037 R)
• M90: 77,910,870 km (0.095 R)
• M91: 78,629,838 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.9

Radius: 4.2

Gravity: 31.06 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 17.99 AU - 19.49 AU

Year: 29484 Days

Day: 20.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 91,487,057 km

• M1: 702,960 km (0.063 R)
• M2: 983,905 km (0.09 R)
• M3: 1,074,562 km (0.097 R)
• M4: 1,231,639 km (0.074 R)
• M5: 1,263,952 km (0.08 R)
• M6: 1,329,476 km (0.107 R)
• M7: 1,567,486 km (0.101 R)
• M8: 2,562,163 km (0.114 R)
• M9: 3,252,557 km (0.099 R)
• M10: 3,433,570 km (0.055 R)
• M11: 3,571,649 km (0.035 R)
• M12: 3,711,523 km (0.075 R)
• M13: 3,805,620 km (0.088 R)
• M14: 3,853,043 km (0.066 R)
• M15: 5,470,645 km (0.118 R)
• M16: 5,794,674 km (0.057 R)
• M17: 5,904,030 km (0.093 R)
• M18: 6,861,007 km (0.072 R)
• M19: 7,268,961 km (0.1 R)
• M20: 7,446,084 km (0.101 R)
• M21: 7,624,854 km (0.106 R)
• M22: 7,744,682 km (0.089 R)
• M23: 9,040,648 km (0.064 R)
• M24: 9,487,347 km (0.119 R)
• M25: 10,335,866 km (0.066 R)
• M26: 11,550,302 km (0.096 R)
• M27: 12,034,550 km (0.091 R)
• M28: 14,110,520 km (0.051 R)
• M29: 14,553,778 km (0.102 R)
• M30: 15,453,610 km (0.079 R)
• M31: 15,910,332 km (0.103 R)
• M32: 16,217,307 km (0.053 R)
• M33: 17,543,342 km (0.095 R)
• M34: 18,661,287 km (0.079 R)
• M35: 19,392,073 km (0.077 R)
• M36: 20,215,011 km (0.076 R)
• M37: 20,380,915 km (0.076 R)
• M38: 21,049,318 km (0.036 R)
• M39: 22,407,367 km (0.079 R)
• M40: 24,673,775 km (0.103 R)
• M41: 24,851,198 km (0.036 R)
• M42: 29,138,673 km (0.102 R)
• M43: 30,554,318 km (0.058 R)
• M44: 31,031,086 km (0.092 R)
• M45: 31,606,589 km (0.115 R)
• M46: 32,088,743 km (0.068 R)
• M47: 32,670,679 km (0.095 R)
• M48: 36,234,399 km (0.092 R)
• M49: 37,042,976 km (0.074 R)
• M50: 38,883,778 km (0.07 R)
• M51: 40,231,655 km (0.109 R)
• M52: 41,805,873 km (0.086 R)
• M53: 44,689,671 km (0.104 R)
• M54: 45,991,771 km (0.053 R)
• M55: 46,319,390 km (0.063 R)
• M56: 47,306,437 km (0.031 R)
• M57: 48,633,370 km (0.103 R)
• M58: 49,301,325 km (0.09 R)
• M59: 49,860,372 km (0.118 R)
• M60: 50,084,619 km (0.115 R)
• M61: 51,890,116 km (0.071 R)
• M62: 55,913,401 km (0.079 R)
• M63: 62,073,093 km (0.089 R)
• M64: 62,193,669 km (0.104 R)
• M65: 62,918,471 km (0.075 R)
• M66: 63,403,318 km (0.092 R)
• M67: 63,889,361 km (0.114 R)
• M68: 65,477,642 km (0.05 R)
• M69: 68,194,937 km (0.091 R)
• M70: 68,817,564 km (0.085 R)
• M71: 69,692,562 km (0.119 R)
• M72: 71,074,846 km (0.109 R)
• M73: 71,832,709 km (0.077 R)
• M74: 72,466,256 km (0.12 R)
• M75: 73,994,248 km (0.113 R)
• M76: 76,048,078 km (0.038 R)
• M77: 77,082,098 km (0.115 R)
• M78: 77,860,605 km (0.091 R)
• M79: 79,425,399 km (0.059 R)
• M80: 80,868,869 km (0.07 R)
• M81: 82,056,377 km (0.047 R)
• M82: 83,915,130 km (0.026 R)
• M83: 85,519,268 km (0.114 R)
• M84: 87,268,516 km (0.042 R)
• M85: 87,673,777 km (0.069 R)
• M86: 88,215,172 km (0.112 R)
• M87: 90,118,954 km (0.061 R)
• M88: 90,391,970 km (0.1 R)

Kuiper Belt

Range: 30.2 - 51.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 11,813 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit