🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.45 AU - 0.65 AU

Year: 143 Days

Day: 38.6 Hours

Environment

Temp: 252 °C

Axial Tilt: 13.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.76 AU - 0.94 AU

Year: 275 Days

Day: 23.4 Hours

Environment

Temp: 178 °C

Axial Tilt: 32.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 82,149,146 km

• M1: 460,013 km (0.102 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.64 AU - 2.72 AU

Year: 1131 Days

Day: 14.8 Hours

Environment

Temp: -63 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,149,146 km

• M1: 765,044 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.01 AU - 4.05 AU

Year: 2843 Days

Day: 20.9 Hours

Environment

Temp: -118 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,149,146 km

• M1: 1,803,851 km (0.107 R)

Asteroid Belt

Center: 7.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 10.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.2

Radius: 8.8

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 9.44 AU - 12.38 AU

Year: 12665 Days

Day: 13.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 82,149,146 km

• M1: 117,135 km (0.068 R)
• M2: 416,630 km (0.069 R)
• M3: 1,251,536 km (0.091 R)
• M4: 1,313,320 km (0.073 R)
• M5: 1,440,029 km (0.045 R)
• M6: 1,593,068 km (0.083 R)
• M7: 1,682,976 km (0.078 R)
• M8: 1,867,879 km (0.106 R)
• M9: 2,035,279 km (0.034 R)
• M10: 2,157,949 km (0.086 R)
• M11: 2,257,881 km (0.083 R)
• M12: 2,726,571 km (0.08 R)
• M13: 3,000,036 km (0.081 R)
• M14: 3,083,811 km (0.111 R)
• M15: 3,339,922 km (0.079 R)
• M16: 3,397,816 km (0.029 R)
• M17: 3,692,225 km (0.111 R)
• M18: 4,025,529 km (0.095 R)
• M19: 4,118,280 km (0.079 R)
• M20: 4,432,136 km (0.09 R)
• M21: 4,819,146 km (0.114 R)
• M22: 4,950,493 km (0.093 R)
• M23: 5,250,586 km (0.07 R)
• M24: 5,729,150 km (0.093 R)
• M25: 5,868,575 km (0.098 R)
• M26: 6,764,666 km (0.105 R)
• M27: 6,875,069 km (0.059 R)
• M28: 7,322,666 km (0.099 R)
• M29: 8,324,822 km (0.101 R)
• M30: 9,492,583 km (0.084 R)
• M31: 9,990,744 km (0.074 R)
• M32: 10,074,519 km (0.072 R)
• M33: 10,969,264 km (0.066 R)
• M34: 12,067,163 km (0.037 R)
• M35: 12,425,898 km (0.105 R)
• M36: 13,291,771 km (0.112 R)
• M37: 13,476,674 km (0.118 R)
• M38: 13,615,800 km (0.1 R)
• M39: 14,130,117 km (0.102 R)
• M40: 14,271,487 km (0.097 R)
• M41: 14,746,161 km (0.056 R)
• M42: 15,226,071 km (0.101 R)
• M43: 15,516,441 km (0.085 R)
• M44: 15,955,510 km (0.108 R)
• M45: 16,201,150 km (0.063 R)
• M46: 17,347,369 km (0.079 R)
• M47: 17,650,604 km (0.106 R)
• M48: 17,802,895 km (0.115 R)
• M49: 18,159,985 km (0.079 R)
• M50: 21,208,640 km (0.056 R)
• M51: 21,695,730 km (0.079 R)
• M52: 22,022,452 km (0.08 R)
• M53: 22,186,561 km (0.092 R)
• M54: 22,625,780 km (0.112 R)
• M55: 22,736,184 km (0.072 R)
• M56: 24,468,377 km (0.111 R)
• M57: 24,524,925 km (0.114 R)
• M58: 24,751,716 km (0.072 R)
• M59: 26,532,678 km (0.112 R)
• M60: 27,880,555 km (0.096 R)
• M61: 27,998,737 km (0.065 R)
• M62: 28,592,491 km (0.087 R)
• M63: 29,430,838 km (0.091 R)
• M64: 29,974,028 km (0.077 R)
• M65: 30,155,789 km (0.048 R)
• M66: 30,398,736 km (0.107 R)
• M67: 30,520,509 km (0.046 R)
• M68: 31,131,466 km (0.092 R)
• M69: 32,303,715 km (0.11 R)
• M70: 32,739,195 km (0.035 R)
• M71: 33,176,619 km (0.069 R)
• M72: 33,427,345 km (0.093 R)
• M73: 33,615,838 km (0.059 R)
• M74: 33,867,911 km (0.118 R)
• M75: 35,328,584 km (0.115 R)
• M76: 36,939,604 km (0.09 R)
• M77: 37,134,530 km (0.115 R)
• M78: 37,394,830 km (0.117 R)
• M79: 38,376,940 km (0.114 R)
• M80: 38,574,409 km (0.095 R)
• M81: 38,838,150 km (0.061 R)
• M82: 41,575,941 km (0.076 R)
• M83: 42,321,088 km (0.086 R)
• M84: 43,138,940 km (0.12 R)
• M85: 44,444,630 km (0.08 R)
• M86: 44,928,878 km (0.097 R)
• M87: 45,414,922 km (0.036 R)
• M88: 45,693,323 km (0.074 R)
• M89: 46,042,335 km (0.11 R)
• M90: 46,112,197 km (0.067 R)
• M91: 46,182,209 km (0.085 R)
• M92: 46,392,244 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25.8

Radius: 6.8

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 12.88 AU - 14.72 AU

Year: 18018 Days

Day: 22.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,149,146 km

• M1: 610,958 km (0.097 R)
• M2: 891,155 km (0.09 R)
• M3: 1,170,155 km (0.079 R)
• M4: 1,879,847 km (0.051 R)
• M5: 2,125,935 km (0.12 R)
• M6: 2,317,271 km (0.081 R)
• M7: 2,750,806 km (0.102 R)
• M8: 3,173,120 km (0.097 R)
• M9: 3,391,982 km (0.112 R)
• M10: 5,791,831 km (0.083 R)
• M11: 5,992,143 km (0.092 R)
• M12: 7,098,120 km (0.095 R)
• M13: 10,773,291 km (0.056 R)
• M14: 11,685,688 km (0.12 R)
• M15: 12,940,216 km (0.09 R)
• M16: 13,143,669 km (0.043 R)
• M17: 14,057,712 km (0.029 R)
• M18: 14,266,999 km (0.033 R)
• M19: 14,749,004 km (0.105 R)
• M20: 14,809,740 km (0.064 R)
• M21: 15,205,876 km (0.103 R)
• M22: 16,825,123 km (0.087 R)
• M23: 18,205,163 km (0.118 R)
• M24: 18,727,709 km (0.12 R)
• M25: 18,957,940 km (0.063 R)
• M26: 19,189,218 km (0.099 R)
• M27: 19,454,455 km (0.084 R)
• M28: 20,156,817 km (0.114 R)
• M29: 20,901,366 km (0.054 R)
• M30: 22,487,253 km (0.114 R)
• M31: 22,731,995 km (0.116 R)
• M32: 23,012,790 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.7

Radius: 7

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 15.93 AU - 22.69 AU

Year: 29823 Days

Day: 17.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 82,149,146 km

• M1: 89,609 km (0.083 R)
• M2: 237,861 km (0.09 R)
• M3: 285,283 km (0.111 R)
• M4: 354,846 km (0.094 R)
• M5: 1,203,814 km (0.093 R)
• M6: 1,384,678 km (0.113 R)
• M7: 1,510,191 km (0.1 R)
• M8: 2,084,946 km (0.082 R)
• M9: 2,527,905 km (0.111 R)
• M10: 2,799,724 km (0.099 R)
• M11: 3,040,128 km (0.086 R)
• M12: 3,371,188 km (0.049 R)
• M13: 3,627,000 km (0.09 R)
• M14: 4,157,474 km (0.104 R)
• M15: 4,665,060 km (0.106 R)
• M16: 4,759,456 km (0.093 R)
• M17: 5,143,324 km (0.114 R)
• M18: 5,737,826 km (0.112 R)
• M19: 7,099,167 km (0.093 R)
• M20: 7,537,339 km (0.09 R)
• M21: 8,325,122 km (0.119 R)
• M22: 8,728,737 km (0.058 R)
• M23: 8,903,766 km (0.058 R)
• M24: 8,962,259 km (0.095 R)
• M25: 9,079,843 km (0.098 R)
• M26: 10,222,023 km (0.118 R)
• M27: 11,281,774 km (0.093 R)
• M28: 11,472,362 km (0.102 R)
• M29: 11,600,118 km (0.054 R)
• M30: 12,376,082 km (0.045 R)
• M31: 13,638,688 km (0.118 R)
• M32: 14,114,110 km (0.09 R)
• M33: 18,931,760 km (0.094 R)
• M34: 19,537,931 km (0.071 R)
• M35: 19,920,153 km (0.085 R)
• M36: 21,551,817 km (0.088 R)
• M37: 21,630,655 km (0.089 R)
• M38: 22,423,674 km (0.079 R)
• M39: 22,583,295 km (0.083 R)
• M40: 23,387,682 km (0.058 R)
• M41: 24,447,284 km (0.116 R)
• M42: 24,694,121 km (0.074 R)
• M43: 24,941,705 km (0.081 R)
• M44: 25,772,871 km (0.041 R)
• M45: 28,148,186 km (0.087 R)
• M46: 31,571,284 km (0.061 R)
• M47: 34,937,984 km (0.087 R)
• M48: 35,030,585 km (0.035 R)
• M49: 35,867,436 km (0.105 R)
• M50: 36,616,622 km (0.102 R)
• M51: 37,940,414 km (0.091 R)
• M52: 38,416,883 km (0.032 R)
• M53: 42,794,116 km (0.064 R)
• M54: 42,893,150 km (0.085 R)
• M55: 43,488,999 km (0.071 R)
• M56: 44,187,621 km (0.086 R)
• M57: 44,387,932 km (0.111 R)
• M58: 44,990,662 km (0.101 R)
• M59: 45,393,978 km (0.104 R)
• M60: 45,495,106 km (0.1 R)
• M61: 45,596,085 km (0.083 R)
• M62: 46,102,773 km (0.106 R)
• M63: 47,736,381 km (0.085 R)
• M64: 49,700,751 km (0.047 R)
• M65: 50,326,519 km (0.076 R)
• M66: 50,850,111 km (0.119 R)
• M67: 50,954,980 km (0.102 R)
• M68: 51,375,350 km (0.067 R)
• M69: 52,537,426 km (0.119 R)
• M70: 53,601,366 km (0.118 R)
• M71: 56,291,884 km (0.099 R)
• M72: 56,400,492 km (0.072 R)
• M73: 57,817,782 km (0.114 R)
• M74: 58,366,058 km (0.076 R)
• M75: 59,467,697 km (0.057 R)
• M76: 59,910,357 km (0.074 R)
• M77: 60,021,209 km (0.12 R)
• M78: 60,354,064 km (0.082 R)
• M79: 62,813,752 km (0.109 R)
• M80: 65,762,626 km (0.089 R)
• M81: 67,484,198 km (0.073 R)
• M82: 68,408,563 km (0.092 R)
• M83: 75,114,288 km (0.035 R)
• M84: 77,395,655 km (0.095 R)
• M85: 77,637,106 km (0.107 R)
• M86: 78,362,955 km (0.083 R)
• M87: 78,969,574 km (0.114 R)
• M88: 79,212,671 km (0.101 R)
• M89: 80,554,115 km (0.083 R)
• M90: 80,676,486 km (0.082 R)
• M91: 81,043,749 km (0.032 R)

Kuiper Belt

Range: 31.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 12,601 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit