🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.77 AU - 1.21 AU

Year: 353 Days

Day: 46.9 Hours

Environment

Temp: 166 °C

Axial Tilt: 39.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 73,595,757 km

• M1: 388,506 km (0.069 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.21 AU - 1.29 AU

Year: 501 Days

Day: 43.3 Hours

Environment

Temp: 18 °C

Axial Tilt: 25.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 73,595,757 km

• M1: 63,579 km (0.118 R)
• M2: 617,690 km (0.06 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.67 AU - 1.79 AU

Year: 815 Days

Day: 47.7 Hours

Environment

Temp: -49 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.18 AU - 2.82 AU

Year: 1416 Days

Day: 24.3 Hours

Environment

Temp: -78 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 13.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443

Radius: 7

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 13.09 AU - 14.85 AU

Year: 18701 Days

Day: 16.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 153.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 73,595,757 km

• M1: 123,867 km (0.101 R)
• M2: 480,957 km (0.115 R)
• M3: 1,377,647 km (0.107 R)
• M4: 1,508,844 km (0.112 R)
• M5: 3,100,416 km (0.113 R)
• M6: 3,378,369 km (0.117 R)
• M7: 3,995,759 km (0.042 R)
• M8: 4,452,332 km (0.103 R)
• M9: 4,965,602 km (0.063 R)
• M10: 5,127,317 km (0.071 R)
• M11: 5,833,868 km (0.082 R)
• M12: 6,047,494 km (0.05 R)
• M13: 6,703,780 km (0.082 R)
• M14: 7,244,875 km (0.049 R)
• M15: 7,800,183 km (0.08 R)
• M16: 8,513,316 km (0.118 R)
• M17: 10,052,229 km (0.082 R)
• M18: 10,359,802 km (0.101 R)
• M19: 10,931,864 km (0.091 R)
• M20: 11,089,690 km (0.112 R)
• M21: 13,264,843 km (0.106 R)
• M22: 13,489,539 km (0.091 R)
• M23: 14,285,549 km (0.033 R)
• M24: 14,515,781 km (0.1 R)
• M25: 15,096,819 km (0.119 R)
• M26: 16,101,817 km (0.068 R)
• M27: 16,521,888 km (0.109 R)
• M28: 17,128,358 km (0.101 R)
• M29: 17,618,740 km (0.104 R)
• M30: 17,865,726 km (0.113 R)
• M31: 18,801,760 km (0.111 R)
• M32: 20,267,968 km (0.099 R)
• M33: 20,461,997 km (0.107 R)
• M34: 20,916,924 km (0.049 R)
• M35: 23,173,608 km (0.111 R)
• M36: 24,056,684 km (0.106 R)
• M37: 24,605,559 km (0.092 R)
• M38: 25,576,000 km (0.115 R)
• M39: 25,995,772 km (0.037 R)
• M40: 26,629,767 km (0.084 R)
• M41: 27,126,283 km (0.096 R)
• M42: 28,417,163 km (0.102 R)
• M43: 30,538,610 km (0.066 R)
• M44: 31,207,313 km (0.051 R)
• M45: 31,356,611 km (0.026 R)
• M46: 31,730,756 km (0.111 R)
• M47: 33,166,147 km (0.106 R)
• M48: 33,471,028 km (0.044 R)
• M49: 35,009,342 km (0.092 R)
• M50: 36,256,390 km (0.11 R)
• M51: 36,649,085 km (0.088 R)
• M52: 36,964,287 km (0.063 R)
• M53: 37,597,386 km (0.1 R)
• M54: 41,061,025 km (0.078 R)
• M55: 43,287,490 km (0.09 R)
• M56: 43,871,072 km (0.065 R)
• M57: 44,205,722 km (0.119 R)
• M58: 44,541,270 km (0.115 R)
• M59: 47,341,293 km (0.082 R)
• M60: 48,028,546 km (0.084 R)
• M61: 50,986,395 km (0.074 R)
• M62: 51,338,100 km (0.081 R)
• M63: 53,823,519 km (0.099 R)
• M64: 53,912,978 km (0.042 R)
• M65: 54,810,565 km (0.106 R)
• M66: 56,438,639 km (0.091 R)
• M67: 56,802,611 km (0.083 R)
• M68: 58,174,423 km (0.099 R)
• M69: 58,633,988 km (0.114 R)
• M70: 59,094,899 km (0.104 R)
• M71: 60,298,863 km (0.041 R)
• M72: 60,670,912 km (0.118 R)
• M73: 61,604,403 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439

Radius: 6.3

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 16.23 AU - 16.55 AU

Year: 23765 Days

Day: 17.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 73,595,757 km

• M1: 121,473 km (0.117 R)
• M2: 302,038 km (0.12 R)
• M3: 851,511 km (0.113 R)
• M4: 900,280 km (0.092 R)
• M5: 1,410,858 km (0.074 R)
• M6: 1,528,441 km (0.082 R)
• M7: 1,997,580 km (0.084 R)
• M8: 2,096,465 km (0.115 R)
• M9: 2,945,432 km (0.064 R)
• M10: 3,096,227 km (0.116 R)
• M11: 3,327,356 km (0.092 R)
• M12: 3,564,169 km (0.097 R)
• M13: 3,970,776 km (0.056 R)
• M14: 5,140,781 km (0.036 R)
• M15: 5,231,438 km (0.075 R)
• M16: 5,645,973 km (0.088 R)
• M17: 6,023,409 km (0.115 R)
• M18: 7,977,007 km (0.099 R)
• M19: 8,187,641 km (0.039 R)
• M20: 8,400,070 km (0.076 R)
• M21: 8,884,767 km (0.052 R)
• M22: 8,939,221 km (0.069 R)
• M23: 9,600,892 km (0.086 R)
• M24: 9,768,741 km (0.107 R)
• M25: 9,824,840 km (0.107 R)
• M26: 11,263,972 km (0.071 R)
• M27: 11,440,946 km (0.106 R)
• M28: 11,797,886 km (0.061 R)
• M29: 11,917,714 km (0.101 R)
• M30: 12,400,915 km (0.104 R)
• M31: 12,583,724 km (0.061 R)
• M32: 14,332,972 km (0.097 R)
• M33: 14,396,850 km (0.078 R)
• M34: 14,460,878 km (0.119 R)
• M35: 16,423,453 km (0.117 R)
• M36: 16,893,340 km (0.104 R)
• M37: 17,028,426 km (0.07 R)
• M38: 17,572,215 km (0.112 R)
• M39: 18,190,802 km (0.066 R)
• M40: 18,329,330 km (0.099 R)
• M41: 19,096,916 km (0.117 R)
• M42: 20,591,549 km (0.113 R)
• M43: 20,808,017 km (0.1 R)
• M44: 21,170,642 km (0.046 R)
• M45: 22,049,380 km (0.108 R)
• M46: 22,865,436 km (0.102 R)
• M47: 23,014,884 km (0.107 R)
• M48: 23,389,777 km (0.047 R)
• M49: 23,465,024 km (0.093 R)
• M50: 24,145,844 km (0.052 R)
• M51: 24,221,840 km (0.082 R)
• M52: 24,450,426 km (0.085 R)
• M53: 26,304,990 km (0.098 R)
• M54: 28,364,504 km (0.064 R)
• M55: 28,444,689 km (0.069 R)
• M56: 29,738,860 km (0.102 R)
• M57: 29,902,071 km (0.091 R)
• M58: 31,466,416 km (0.094 R)
• M59: 32,552,048 km (0.045 R)
• M60: 32,636,122 km (0.091 R)
• M61: 32,888,643 km (0.119 R)
• M62: 36,316,529 km (0.097 R)
• M63: 38,072,658 km (0.094 R)
• M64: 38,516,066 km (0.091 R)
• M65: 38,693,788 km (0.038 R)
• M66: 40,577,375 km (0.078 R)
• M67: 41,666,897 km (0.082 R)
• M68: 41,849,556 km (0.041 R)
• M69: 42,123,768 km (0.071 R)
• M70: 44,060,612 km (0.115 R)
• M71: 45,649,641 km (0.117 R)
• M72: 45,837,835 km (0.114 R)
• M73: 46,026,328 km (0.067 R)
• M74: 46,214,971 km (0.116 R)
• M75: 50,917,730 km (0.069 R)
• M76: 52,190,658 km (0.097 R)
• M77: 52,584,549 km (0.078 R)
• M78: 54,468,435 km (0.049 R)
• M79: 54,767,930 km (0.089 R)
• M80: 55,770,236 km (0.09 R)
• M81: 55,870,766 km (0.116 R)
• M82: 58,302,180 km (0.108 R)
• M83: 60,251,440 km (0.062 R)
• M84: 60,457,885 km (0.109 R)
• M85: 61,182,238 km (0.101 R)
• M86: 63,057,896 km (0.119 R)
• M87: 63,582,386 km (0.094 R)
• M88: 64,002,906 km (0.091 R)
• M89: 67,507,535 km (0.098 R)
• M90: 67,829,320 km (0.103 R)
• M91: 71,401,269 km (0.12 R)
• M92: 72,057,255 km (0.107 R)
• M93: 72,166,910 km (0.088 R)
• M94: 73,155,154 km (0.062 R)

Kuiper Belt

Range: 30.6 - 57.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 16,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit