🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.44 AU - 0.64 AU

Year: 146 Days

Day: 17.9 Hours

Environment

Temp: 238 °C

Axial Tilt: 47.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 109,313,128 km

• M1: 387,309 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.75 AU - 0.77 AU

Year: 244 Days

Day: 39.8 Hours

Environment

Temp: 174 °C

Axial Tilt: 6.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 109,313,128 km

• M1: 60,886 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.81 AU - 1.23 AU

Year: 380 Days

Day: 37 Hours

Environment

Temp: 17 °C

Axial Tilt: 3.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.77 AU - 2.65 AU

Year: 1212 Days

Day: 22 Hours

Environment

Temp: -82 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.47 AU - 3.27 AU

Year: 1794 Days

Day: 15.5 Hours

Environment

Temp: -93 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.57 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 14.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.6

Radius: 6.1

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 11.52 AU - 17.02 AU

Year: 19889 Days

Day: 19.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 109,313,128 km

• M1: 80,334 km (0.118 R)
• M2: 722,109 km (0.062 R)
• M3: 775,665 km (0.113 R)
• M4: 1,230,742 km (0.107 R)
• M5: 2,029,594 km (0.089 R)
• M6: 2,813,338 km (0.118 R)
• M7: 2,899,356 km (0.084 R)
• M8: 3,743,388 km (0.06 R)
• M9: 4,523,092 km (0.106 R)
• M10: 4,828,271 km (0.091 R)
• M11: 5,000,608 km (0.112 R)
• M12: 5,105,027 km (0.057 R)
• M13: 6,948,671 km (0.084 R)
• M14: 7,658,065 km (0.117 R)
• M15: 8,102,819 km (0.116 R)
• M16: 8,722,753 km (0.112 R)
• M17: 9,486,599 km (0.11 R)
• M18: 11,123,050 km (0.063 R)
• M19: 12,090,051 km (0.118 R)
• M20: 12,654,633 km (0.055 R)
• M21: 14,597,910 km (0.118 R)
• M22: 15,098,016 km (0.117 R)
• M23: 16,115,131 km (0.116 R)
• M24: 16,631,842 km (0.112 R)
• M25: 17,259,256 km (0.087 R)
• M26: 18,644,831 km (0.066 R)
• M27: 20,398,717 km (0.112 R)
• M28: 20,789,317 km (0.099 R)
• M29: 20,901,515 km (0.085 R)
• M30: 20,957,614 km (0.117 R)
• M31: 21,351,805 km (0.086 R)
• M32: 21,862,083 km (0.095 R)
• M33: 22,376,550 km (0.087 R)
• M34: 26,026,888 km (0.096 R)
• M35: 27,181,933 km (0.105 R)
• M36: 28,664,747 km (0.1 R)
• M37: 28,727,130 km (0.108 R)
• M38: 28,914,426 km (0.108 R)
• M39: 30,110,311 km (0.081 R)
• M40: 31,708,166 km (0.1 R)
• M41: 33,991,179 km (0.105 R)
• M42: 34,255,519 km (0.107 R)
• M43: 34,586,729 km (0.088 R)
• M44: 35,654,109 km (0.042 R)
• M45: 39,543,205 km (0.099 R)
• M46: 40,799,079 km (0.111 R)
• M47: 41,502,339 km (0.087 R)
• M48: 41,572,949 km (0.096 R)
• M49: 41,714,169 km (0.102 R)
• M50: 42,280,697 km (0.084 R)
• M51: 44,788,854 km (0.108 R)
• M52: 48,083,897 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.5

Radius: 7.5

Gravity: 16.49 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 16.42 AU - 20.78 AU

Year: 29597 Days

Day: 22.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 109,313,128 km

• M1: 111,151 km (0.095 R)
• M2: 1,277,865 km (0.075 R)
• M3: 2,116,062 km (0.039 R)
• M4: 2,203,427 km (0.119 R)
• M5: 2,518,480 km (0.084 R)
• M6: 2,611,081 km (0.118 R)
• M7: 2,993,154 km (0.084 R)
• M8: 3,291,303 km (0.081 R)
• M9: 3,392,880 km (0.12 R)
• M10: 3,495,354 km (0.107 R)
• M11: 4,132,342 km (0.066 R)
• M12: 4,297,199 km (0.031 R)
• M13: 4,520,399 km (0.046 R)
• M14: 4,747,488 km (0.064 R)
• M15: 5,331,219 km (0.084 R)
• M16: 5,510,886 km (0.07 R)
• M17: 6,061,556 km (0.067 R)
• M18: 7,017,935 km (0.118 R)
• M19: 8,434,178 km (0.093 R)
• M20: 9,425,863 km (0.062 R)
• M21: 11,133,822 km (0.118 R)
• M22: 11,286,860 km (0.111 R)
• M23: 11,440,497 km (0.096 R)
• M24: 12,774,611 km (0.072 R)
• M25: 14,074,766 km (0.061 R)
• M26: 14,323,099 km (0.083 R)
• M27: 14,489,601 km (0.038 R)
• M28: 14,656,702 km (0.035 R)
• M29: 14,740,477 km (0.106 R)
• M30: 15,929,929 km (0.111 R)
• M31: 20,142,904 km (0.05 R)
• M32: 21,081,182 km (0.11 R)
• M33: 24,277,042 km (0.064 R)
• M34: 24,674,523 km (0.069 R)
• M35: 26,286,141 km (0.067 R)
• M36: 27,723,926 km (0.106 R)
• M37: 28,243,629 km (0.111 R)
• M38: 29,081,826 km (0.074 R)
• M39: 29,292,609 km (0.045 R)
• M40: 29,398,226 km (0.069 R)
• M41: 32,406,190 km (0.101 R)
• M42: 32,734,258 km (0.076 R)
• M43: 32,843,764 km (0.025 R)
• M44: 36,074,779 km (0.059 R)
• M45: 36,188,024 km (0.031 R)
• M46: 37,555,648 km (0.092 R)
• M47: 39,755,634 km (0.116 R)
• M48: 40,224,025 km (0.113 R)
• M49: 40,694,361 km (0.117 R)
• M50: 43,313,221 km (0.109 R)
• M51: 47,963,471 km (0.067 R)
• M52: 49,842,271 km (0.114 R)
• M53: 49,968,382 km (0.099 R)
• M54: 51,617,399 km (0.108 R)
• M55: 52,897,957 km (0.066 R)
• M56: 56,144,978 km (0.086 R)
• M57: 56,802,012 km (0.117 R)
• M58: 57,065,604 km (0.113 R)
• M59: 59,991,439 km (0.092 R)
• M60: 61,337,521 km (0.109 R)
• M61: 61,878,616 km (0.103 R)
• M62: 62,149,837 km (0.114 R)
• M63: 63,102,177 km (0.119 R)
• M64: 65,434,707 km (0.089 R)
• M65: 66,126,148 km (0.07 R)
• M66: 67,795,511 km (0.064 R)
• M67: 68,775,676 km (0.076 R)
• M68: 72,457,130 km (0.103 R)
• M69: 73,315,822 km (0.084 R)
• M70: 74,898,717 km (0.103 R)
• M71: 76,202,163 km (0.063 R)
• M72: 79,714,572 km (0.109 R)
• M73: 81,045,245 km (0.093 R)
• M74: 82,234,249 km (0.113 R)
• M75: 87,351,543 km (0.093 R)
• M76: 87,960,257 km (0.113 R)
• M77: 89,795,075 km (0.111 R)
• M78: 90,871,132 km (0.075 R)
• M79: 91,487,924 km (0.059 R)
• M80: 91,642,459 km (0.055 R)
• M81: 94,592,978 km (0.089 R)
• M82: 96,158,370 km (0.098 R)
• M83: 96,315,447 km (0.074 R)
• M84: 97,574,613 km (0.101 R)
• M85: 98,364,340 km (0.089 R)
• M86: 100,268,272 km (0.112 R)
• M87: 101,704,262 km (0.119 R)
• M88: 102,024,401 km (0.06 R)
• M89: 102,184,471 km (0.065 R)
• M90: 102,344,690 km (0.117 R)
• M91: 102,825,947 km (0.08 R)
• M92: 103,307,802 km (0.11 R)
• M93: 103,790,554 km (0.097 R)
• M94: 107,027,553 km (0.08 R)
• M95: 109,313,109 km (0.116 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 15,686 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit