🌌 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: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.46 AU - 0.64 AU

Year: 149 Days

Day: 18.2 Hours

Environment

Temp: 236 °C

Axial Tilt: 18 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.63 AU - 0.75 AU

Year: 209 Days

Day: 28.3 Hours

Environment

Temp: 117 °C

Axial Tilt: 44 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 113,298,696 km

• M1: 474,973 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.02 AU - 1.22 AU

Year: 433 Days

Day: 43.6 Hours

Environment

Temp: 14 °C

Axial Tilt: 17.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 113,298,696 km

• M1: 416,032 km (0.089 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.26 AU - 1.98 AU

Year: 753 Days

Day: 21.9 Hours

Environment

Temp: -43 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.64 AU - 2.66 AU

Year: 1151 Days

Day: 32.2 Hours

Environment

Temp: -73 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 113,298,696 km

• M1: 750,383 km (0.071 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.05 AU - 2.69 AU

Year: 1333 Days

Day: 42.2 Hours

Environment

Temp: -74 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.62 AU - 2.78 AU

Year: 1620 Days

Day: 39.4 Hours

Environment

Temp: -100 °C

Axial Tilt: 16.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 113,298,696 km

• M1: 324,777 km (0.067 R)

Planet 8 - Terrestrial

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.48 AU - 5.2 AU

Year: 3302 Days

Day: 19.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 113,298,696 km

• M1: 37,998 km (0.094 R)
• M2: 1,073,664 km (0.054 R)

Asteroid Belt

Center: 4.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.8

Radius: 13.2

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.38 AU - 6.5 AU

Year: 4634 Days

Day: 13.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 113,298,696 km

• M1: 166,951 km (0.105 R)
• M2: 334,800 km (0.067 R)
• M3: 472,580 km (0.098 R)
• M4: 658,530 km (0.099 R)
• M5: 780,751 km (0.118 R)
• M6: 1,022,352 km (0.116 R)
• M7: 1,512,734 km (0.083 R)
• M8: 1,714,840 km (0.049 R)
• M9: 1,819,260 km (0.088 R)
• M10: 2,221,379 km (0.105 R)
• M11: 2,571,438 km (0.061 R)
• M12: 2,773,694 km (0.065 R)
• M13: 2,856,123 km (0.1 R)
• M14: 3,065,709 km (0.076 R)
• M15: 3,412,028 km (0.115 R)
• M16: 3,545,170 km (0.114 R)
• M17: 4,001,743 km (0.11 R)
• M18: 4,721,608 km (0.116 R)
• M19: 5,046,235 km (0.079 R)
• M20: 5,352,462 km (0.072 R)
• M21: 5,481,715 km (0.106 R)
• M22: 5,770,139 km (0.074 R)
• M23: 6,225,665 km (0.03 R)
• M24: 6,361,799 km (0.112 R)
• M25: 6,637,209 km (0.075 R)
• M26: 7,114,576 km (0.071 R)
• M27: 7,515,947 km (0.054 R)
• M28: 7,866,006 km (0.105 R)
• M29: 8,161,910 km (0.081 R)
• M30: 9,885,577 km (0.037 R)
• M31: 10,108,777 km (0.072 R)
• M32: 10,463,025 km (0.086 R)
• M33: 10,690,413 km (0.089 R)
• M34: 11,550,003 km (0.095 R)
• M35: 11,954,216 km (0.065 R)
• M36: 12,465,991 km (0.08 R)
• M37: 12,776,556 km (0.063 R)
• M38: 13,124,670 km (0.079 R)
• M39: 13,405,316 km (0.108 R)
• M40: 14,223,466 km (0.103 R)
• M41: 14,584,296 km (0.077 R)
• M42: 15,536,487 km (0.08 R)
• M43: 17,965,208 km (0.099 R)
• M44: 18,237,925 km (0.093 R)
• M45: 18,355,210 km (0.088 R)
• M46: 18,511,989 km (0.101 R)
• M47: 18,748,054 km (0.092 R)
• M48: 18,945,523 km (0.034 R)
• M49: 19,064,453 km (0.029 R)
• M50: 19,223,177 km (0.114 R)
• M51: 19,382,499 km (0.087 R)
• M52: 19,622,304 km (0.05 R)
• M53: 20,104,607 km (0.084 R)
• M54: 21,410,148 km (0.11 R)
• M55: 21,989,989 km (0.063 R)
• M56: 22,073,315 km (0.069 R)
• M57: 22,491,142 km (0.083 R)
• M58: 22,616,954 km (0.069 R)
• M59: 22,785,102 km (0.116 R)
• M60: 23,080,408 km (0.117 R)
• M61: 23,249,753 km (0.105 R)
• M62: 23,888,536 km (0.084 R)
• M63: 24,533,004 km (0.112 R)
• M64: 25,052,707 km (0.102 R)
• M65: 25,576,000 km (0.072 R)
• M66: 25,795,161 km (0.118 R)
• M67: 26,944,671 km (0.115 R)
• M68: 27,257,031 km (0.089 R)
• M69: 27,660,347 km (0.11 R)
• M70: 27,885,342 km (0.072 R)
• M71: 28,336,978 km (0.099 R)
• M72: 28,882,263 km (0.059 R)
• M73: 28,973,517 km (0.117 R)
• M74: 30,121,830 km (0.103 R)
• M75: 30,353,258 km (0.114 R)
• M76: 30,538,909 km (0.079 R)
• M77: 30,678,335 km (0.071 R)
• M78: 30,771,384 km (0.113 R)
• M79: 31,425,576 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.3

Radius: 6.8

Gravity: 21.18 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 15.8 AU - 22.32 AU

Year: 30393 Days

Day: 15.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 113,298,696 km

• M1: 113,246 km (0.092 R)
• M2: 586,872 km (0.116 R)
• M3: 643,720 km (0.034 R)
• M4: 1,165,367 km (0.103 R)
• M5: 1,238,072 km (0.081 R)
• M6: 2,598,365 km (0.09 R)
• M7: 2,646,237 km (0.086 R)
• M8: 3,772,709 km (0.094 R)
• M9: 4,908,905 km (0.117 R)
• M10: 6,270,993 km (0.074 R)
• M11: 6,335,619 km (0.102 R)
• M12: 6,993,252 km (0.119 R)
• M13: 7,466,579 km (0.04 R)
• M14: 8,160,564 km (0.104 R)
• M15: 8,730,382 km (0.056 R)
• M16: 9,020,303 km (0.108 R)
• M17: 9,313,215 km (0.068 R)
• M18: 9,460,869 km (0.043 R)
• M19: 9,833,367 km (0.05 R)
• M20: 9,983,713 km (0.097 R)
• M21: 10,362,944 km (0.054 R)
• M22: 11,449,922 km (0.118 R)
• M23: 13,146,960 km (0.03 R)
• M24: 14,066,837 km (0.111 R)
• M25: 14,406,425 km (0.084 R)
• M26: 14,834,873 km (0.041 R)
• M27: 15,267,360 km (0.041 R)
• M28: 16,768,874 km (0.056 R)
• M29: 17,673,792 km (0.095 R)
• M30: 17,856,750 km (0.115 R)
• M31: 20,195,413 km (0.115 R)
• M32: 20,291,006 km (0.117 R)
• M33: 20,867,407 km (0.109 R)
• M34: 20,964,047 km (0.064 R)
• M35: 21,449,193 km (0.097 R)
• M36: 21,938,079 km (0.119 R)
• M37: 23,627,488 km (0.082 R)
• M38: 23,929,975 km (0.084 R)
• M39: 24,640,714 km (0.106 R)
• M40: 24,947,539 km (0.03 R)
• M41: 25,255,561 km (0.118 R)
• M42: 28,083,709 km (0.088 R)
• M43: 31,120,845 km (0.071 R)
• M44: 32,342,162 km (0.069 R)
• M45: 33,240,348 km (0.047 R)
• M46: 34,260,456 km (0.06 R)
• M47: 34,602,735 km (0.113 R)
• M48: 37,030,559 km (0.115 R)
• M49: 37,264,680 km (0.082 R)
• M50: 37,969,884 km (0.073 R)
• M51: 39,393,458 km (0.119 R)
• M52: 40,713,659 km (0.072 R)
• M53: 42,414,886 km (0.065 R)
• M54: 42,537,257 km (0.11 R)
• M55: 46,389,552 km (0.069 R)
• M56: 46,641,923 km (0.105 R)
• M57: 47,274,722 km (0.106 R)
• M58: 49,318,977 km (0.097 R)
• M59: 49,705,389 km (0.071 R)
• M60: 49,834,491 km (0.113 R)
• M61: 53,625,152 km (0.117 R)
• M62: 54,155,327 km (0.038 R)
• M63: 55,087,172 km (0.113 R)
• M64: 55,621,984 km (0.071 R)
• M65: 55,756,024 km (0.091 R)
• M66: 59,688,054 km (0.063 R)
• M67: 62,312,300 km (0.099 R)
• M68: 64,974,095 km (0.099 R)
• M69: 65,680,646 km (0.049 R)
• M70: 65,822,315 km (0.059 R)
• M71: 67,244,093 km (0.119 R)
• M72: 68,963,571 km (0.12 R)
• M73: 69,684,334 km (0.112 R)
• M74: 73,913,615 km (0.065 R)
• M75: 76,431,198 km (0.098 R)
• M76: 77,625,737 km (0.044 R)
• M77: 84,920,877 km (0.109 R)
• M78: 88,493,124 km (0.115 R)
• M79: 91,481,043 km (0.117 R)
• M80: 96,265,631 km (0.092 R)
• M81: 96,426,449 km (0.104 R)
• M82: 98,688,219 km (0.054 R)
• M83: 101,130,853 km (0.098 R)
• M84: 103,428,527 km (0.119 R)
• M85: 103,758,091 km (0.063 R)
• M86: 104,749,177 km (0.102 R)
• M87: 106,407,918 km (0.116 R)
• M88: 108,075,187 km (0.073 R)
• M89: 108,577,087 km (0.059 R)
• M90: 109,079,886 km (0.086 R)
• M91: 109,751,281 km (0.049 R)
• M92: 110,087,427 km (0.075 R)
• M93: 110,760,917 km (0.098 R)
• M94: 112,620,119 km (0.108 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 18,205 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit