🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.76 AU - 1.12 AU

Year: 325 Days

Day: 38.2 Hours

Environment

Temp: 114 °C

Axial Tilt: 20.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.32 AU - 1.56 AU

Year: 616 Days

Day: 32.1 Hours

Environment

Temp: -4 °C

Axial Tilt: 24.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.01 AU - 3.21 AU

Year: 1503 Days

Day: 46.6 Hours

Environment

Temp: -82 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.55 AU - 2.89 AU

Year: 1599 Days

Day: 18.2 Hours

Environment

Temp: -88 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.8 AU - 3.71 AU

Year: 2088 Days

Day: 46.9 Hours

Environment

Temp: -96 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,356,177 km

• M1: 1,088,773 km (0.116 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.46 AU - 3.7 AU

Year: 2414 Days

Day: 32.7 Hours

Environment

Temp: -104 °C

Axial Tilt: 43.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 72,356,177 km

• M1: 184,604 km (0.094 R)
• M2: 341,233 km (0.066 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4 AU - 4.3 AU

Year: 3013 Days

Day: 31.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.15 AU - 4.25 AU

Year: 3068 Days

Day: 27.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.9

Radius: 13

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.64 AU - 10.2 AU

Year: 9496 Days

Day: 8.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 72,356,177 km

• M1: 183,856 km (0.119 R)
• M2: 268,678 km (0.119 R)
• M3: 378,183 km (0.08 R)
• M4: 464,202 km (0.075 R)
• M5: 571,913 km (0.079 R)
• M6: 847,173 km (0.108 R)
• M7: 1,033,572 km (0.099 R)
• M8: 1,430,006 km (0.098 R)
• M9: 1,598,154 km (0.075 R)
• M10: 1,893,610 km (0.064 R)
• M11: 2,206,718 km (0.077 R)
• M12: 2,380,701 km (0.106 R)
• M13: 2,650,425 km (0.114 R)
• M14: 2,765,765 km (0.12 R)
• M15: 3,195,411 km (0.063 R)
• M16: 3,569,704 km (0.085 R)
• M17: 3,671,880 km (0.118 R)
• M18: 4,306,025 km (0.084 R)
• M19: 4,636,038 km (0.1 R)
• M20: 4,889,008 km (0.1 R)
• M21: 5,060,148 km (0.099 R)
• M22: 5,233,382 km (0.043 R)
• M23: 6,037,321 km (0.118 R)
• M24: 6,594,723 km (0.1 R)
• M25: 7,527,316 km (0.086 R)
• M26: 8,776,907 km (0.11 R)
• M27: 9,443,515 km (0.118 R)
• M28: 11,237,194 km (0.077 R)
• M29: 11,960,499 km (0.119 R)
• M30: 12,114,735 km (0.036 R)
• M31: 12,308,464 km (0.097 R)
• M32: 12,503,240 km (0.057 R)
• M33: 12,974,923 km (0.077 R)
• M34: 13,412,347 km (0.11 R)
• M35: 14,016,722 km (0.099 R)
• M36: 15,377,614 km (0.088 R)
• M37: 15,461,538 km (0.098 R)
• M38: 15,587,500 km (0.046 R)
• M39: 15,671,723 km (0.086 R)
• M40: 16,996,412 km (0.049 R)
• M41: 17,300,545 km (0.083 R)
• M42: 17,562,640 km (0.044 R)
• M43: 17,870,064 km (0.085 R)
• M44: 17,958,327 km (0.114 R)
• M45: 18,179,432 km (0.114 R)
• M46: 18,535,027 km (0.089 R)
• M47: 18,803,256 km (0.045 R)
• M48: 18,937,744 km (0.063 R)
• M49: 19,298,275 km (0.1 R)
• M50: 22,596,010 km (0.114 R)
• M51: 22,739,026 km (0.103 R)
• M52: 24,774,754 km (0.107 R)
• M53: 25,070,210 km (0.036 R)
• M54: 25,317,495 km (0.065 R)
• M55: 25,764,344 km (0.03 R)
• M56: 26,113,804 km (0.063 R)
• M57: 27,323,901 km (0.106 R)
• M58: 28,346,253 km (0.08 R)
• M59: 29,069,409 km (0.111 R)
• M60: 31,328,188 km (0.099 R)
• M61: 31,647,878 km (0.076 R)
• M62: 31,861,504 km (0.068 R)
• M63: 32,182,990 km (0.067 R)
• M64: 32,451,668 km (0.073 R)
• M65: 32,991,417 km (0.116 R)
• M66: 34,408,408 km (0.098 R)
• M67: 34,793,323 km (0.088 R)
• M68: 35,234,936 km (0.06 R)
• M69: 35,345,639 km (0.073 R)
• M70: 35,845,146 km (0.09 R)
• M71: 35,956,447 km (0.081 R)
• M72: 36,067,897 km (0.114 R)
• M73: 36,347,047 km (0.12 R)
• M74: 37,132,435 km (0.115 R)
• M75: 37,527,374 km (0.116 R)
• M76: 37,923,509 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 12.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.9

Radius: 5.3

Gravity: 30.47 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 10.96 AU - 14.92 AU

Year: 16592 Days

Day: 19.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 72,356,177 km

• M1: 68,217 km (0.083 R)
• M2: 138,228 km (0.053 R)
• M3: 226,192 km (0.1 R)
• M4: 285,882 km (0.074 R)
• M5: 733,179 km (0.098 R)
• M6: 972,985 km (0.12 R)
• M7: 1,291,628 km (0.11 R)
• M8: 1,376,151 km (0.049 R)
• M9: 1,550,732 km (0.115 R)
• M10: 2,283,761 km (0.119 R)
• M11: 3,184,340 km (0.107 R)
• M12: 4,098,682 km (0.104 R)
• M13: 4,434,679 km (0.05 R)
• M14: 4,910,999 km (0.074 R)
• M15: 5,043,842 km (0.09 R)
• M16: 6,386,782 km (0.088 R)
• M17: 7,022,722 km (0.064 R)
• M18: 7,272,700 km (0.117 R)
• M19: 7,322,965 km (0.11 R)
• M20: 7,678,560 km (0.115 R)
• M21: 7,936,017 km (0.099 R)
• M22: 8,144,108 km (0.092 R)
• M23: 8,618,633 km (0.101 R)
• M24: 8,725,296 km (0.099 R)
• M25: 9,102,133 km (0.113 R)
• M26: 9,319,947 km (0.079 R)
• M27: 10,320,907 km (0.098 R)
• M28: 10,604,843 km (0.091 R)
• M29: 10,776,582 km (0.029 R)
• M30: 10,891,623 km (0.115 R)
• M31: 11,472,511 km (0.095 R)
• M32: 11,707,679 km (0.112 R)
• M33: 12,063,423 km (0.047 R)
• M34: 12,122,963 km (0.074 R)
• M35: 12,302,480 km (0.071 R)
• M36: 12,664,208 km (0.086 R)
• M37: 12,724,795 km (0.1 R)
• M38: 15,356,371 km (0.095 R)
• M39: 15,745,774 km (0.113 R)
• M40: 16,072,646 km (0.097 R)
• M41: 16,467,883 km (0.025 R)
• M42: 16,932,983 km (0.116 R)
• M43: 21,742,854 km (0.079 R)
• M44: 22,106,676 km (0.097 R)
• M45: 23,433,310 km (0.115 R)
• M46: 23,806,407 km (0.112 R)
• M47: 24,256,696 km (0.112 R)
• M48: 24,634,132 km (0.12 R)
• M49: 24,709,828 km (0.031 R)
• M50: 25,471,132 km (0.095 R)
• M51: 26,550,032 km (0.116 R)
• M52: 26,938,837 km (0.083 R)
• M53: 27,643,592 km (0.12 R)
• M54: 28,513,205 km (0.117 R)
• M55: 31,257,278 km (0.092 R)
• M56: 32,080,216 km (0.065 R)
• M57: 32,245,671 km (0.107 R)
• M58: 33,747,484 km (0.096 R)
• M59: 33,915,632 km (0.093 R)
• M60: 35,016,224 km (0.116 R)
• M61: 35,271,887 km (0.113 R)
• M62: 35,613,718 km (0.104 R)
• M63: 36,991,813 km (0.101 R)
• M64: 37,774,659 km (0.12 R)
• M65: 39,445,219 km (0.084 R)
• M66: 40,334,129 km (0.108 R)
• M67: 41,229,622 km (0.112 R)
• M68: 42,767,039 km (0.116 R)
• M69: 42,857,995 km (0.092 R)
• M70: 43,680,035 km (0.096 R)
• M71: 43,955,146 km (0.104 R)
• M72: 44,139,001 km (0.09 R)
• M73: 47,584,390 km (0.072 R)
• M74: 48,245,912 km (0.12 R)
• M75: 48,530,297 km (0.117 R)
• M76: 49,005,570 km (0.063 R)
• M77: 51,211,839 km (0.062 R)
• M78: 52,181,084 km (0.093 R)
• M79: 52,668,025 km (0.034 R)
• M80: 53,548,109 km (0.083 R)
• M81: 53,940,953 km (0.071 R)
• M82: 55,224,054 km (0.067 R)
• M83: 55,521,604 km (0.047 R)
• M84: 56,816,972 km (0.094 R)
• M85: 58,324,021 km (0.078 R)
• M86: 58,425,000 km (0.103 R)
• M87: 58,930,491 km (0.08 R)
• M88: 60,353,915 km (0.096 R)
• M89: 63,753,227 km (0.111 R)
• M90: 64,065,288 km (0.067 R)
• M91: 64,691,056 km (0.066 R)
• M92: 65,738,540 km (0.027 R)
• M93: 67,002,792 km (0.092 R)
• M94: 68,914,204 km (0.106 R)
• M95: 71,382,419 km (0.084 R)
• M96: 71,922,916 km (0.104 R)
• M97: 72,139,384 km (0.066 R)

Kuiper Belt

Range: 30.8 - 48.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 15,856 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit