🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.61 AU - 0.63 AU

Year: 176 Days

Day: 27.1 Hours

Environment

Temp: 181 °C

Axial Tilt: 71.2 °

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: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.67 AU - 0.71 AU

Year: 206 Days

Day: 40.9 Hours

Environment

Temp: 183 °C

Axial Tilt: 18 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.6 AU - 2.3 AU

Year: 980 Days

Day: 23.5 Hours

Environment

Temp: -60 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.87 AU - 2.77 AU

Year: 1272 Days

Day: 32.3 Hours

Environment

Temp: -76 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 83,525,859 km

• M1: 29,321 km (0.089 R)
• M2: 53,855 km (0.113 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.8 AU - 6.18 AU

Year: 4012 Days

Day: 16.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.8

Radius: 8.8

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.99 AU - 8.23 AU

Year: 7555 Days

Day: 5.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 83,525,859 km

• M1: 111,301 km (0.116 R)
• M2: 191,934 km (0.06 R)
• M3: 357,090 km (0.112 R)
• M4: 463,454 km (0.072 R)
• M5: 740,360 km (0.102 R)
• M6: 892,202 km (0.078 R)
• M7: 977,472 km (0.076 R)
• M8: 1,383,780 km (0.091 R)
• M9: 1,586,037 km (0.109 R)
• M10: 1,825,244 km (0.108 R)
• M11: 2,657,307 km (0.078 R)
• M12: 2,719,839 km (0.101 R)
• M13: 3,055,537 km (0.087 R)
• M14: 4,086,116 km (0.082 R)
• M15: 4,158,522 km (0.106 R)
• M16: 4,885,717 km (0.03 R)
• M17: 4,962,610 km (0.077 R)
• M18: 5,097,996 km (0.056 R)
• M19: 5,915,698 km (0.101 R)
• M20: 6,183,478 km (0.062 R)
• M21: 6,603,400 km (0.104 R)
• M22: 7,382,057 km (0.062 R)
• M23: 7,470,469 km (0.106 R)
• M24: 8,121,369 km (0.091 R)
• M25: 8,488,333 km (0.084 R)
• M26: 8,790,371 km (0.055 R)
• M27: 8,884,169 km (0.096 R)
• M28: 9,405,218 km (0.113 R)
• M29: 9,693,792 km (0.038 R)
• M30: 10,058,512 km (0.072 R)
• M31: 10,131,965 km (0.1 R)
• M32: 10,205,567 km (0.068 R)
• M33: 10,952,060 km (0.072 R)
• M34: 11,078,171 km (0.105 R)
• M35: 11,331,889 km (0.113 R)
• M36: 11,459,496 km (0.11 R)
• M37: 11,664,595 km (0.087 R)
• M38: 11,741,787 km (0.105 R)
• M39: 12,052,502 km (0.102 R)
• M40: 12,761,297 km (0.065 R)
• M41: 13,214,578 km (0.099 R)
• M42: 13,295,062 km (0.111 R)
• M43: 13,618,941 km (0.094 R)
• M44: 14,246,804 km (0.118 R)
• M45: 14,550,338 km (0.109 R)
• M46: 15,474,105 km (0.068 R)
• M47: 15,530,653 km (0.095 R)
• M48: 15,700,895 km (0.094 R)
• M49: 15,928,732 km (0.104 R)
• M50: 15,985,879 km (0.054 R)
• M51: 16,474,316 km (0.108 R)
• M52: 17,201,661 km (0.027 R)
• M53: 17,613,504 km (0.12 R)
• M54: 17,731,686 km (0.082 R)
• M55: 17,879,938 km (0.091 R)
• M56: 18,297,166 km (0.101 R)
• M57: 18,868,480 km (0.067 R)
• M58: 18,959,286 km (0.075 R)
• M59: 19,905,343 km (0.1 R)
• M60: 20,430,880 km (0.11 R)
• M61: 20,492,964 km (0.12 R)
• M62: 20,679,662 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.8

Radius: 5.1

Gravity: 13.45 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 19.36 AU - 20.64 AU

Year: 32190 Days

Day: 20.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 83,525,859 km

• M1: 281,992 km (0.09 R)
• M2: 354,547 km (0.099 R)
• M3: 497,114 km (0.066 R)
• M4: 781,798 km (0.066 R)
• M5: 1,576,163 km (0.117 R)
• M6: 1,743,563 km (0.116 R)
• M7: 1,812,079 km (0.105 R)
• M8: 2,059,215 km (0.104 R)
• M9: 2,822,463 km (0.079 R)
• M10: 2,862,705 km (0.05 R)
• M11: 2,943,787 km (0.081 R)
• M12: 3,149,933 km (0.076 R)
• M13: 4,157,474 km (0.106 R)
• M14: 5,058,353 km (0.12 R)
• M15: 6,975,749 km (0.091 R)
• M16: 7,361,262 km (0.098 R)
• M17: 7,697,110 km (0.095 R)
• M18: 9,209,694 km (0.06 R)
• M19: 10,558,917 km (0.098 R)
• M20: 11,772,904 km (0.06 R)
• M21: 12,363,217 km (0.042 R)
• M22: 13,300,447 km (0.097 R)
• M23: 15,598,720 km (0.04 R)
• M24: 15,813,542 km (0.111 R)
• M25: 16,318,884 km (0.053 R)
• M26: 16,391,588 km (0.115 R)
• M27: 16,610,001 km (0.096 R)
• M28: 17,345,424 km (0.115 R)
• M29: 18,016,221 km (0.058 R)
• M30: 18,317,062 km (0.051 R)
• M31: 19,923,893 km (0.079 R)
• M32: 21,415,982 km (0.116 R)
• M33: 22,376,700 km (0.067 R)
• M34: 22,781,213 km (0.079 R)
• M35: 23,597,269 km (0.112 R)
• M36: 23,761,677 km (0.116 R)
• M37: 24,091,540 km (0.108 R)
• M38: 24,340,022 km (0.067 R)
• M39: 24,423,049 km (0.102 R)
• M40: 24,589,252 km (0.064 R)
• M41: 24,839,380 km (0.104 R)
• M42: 24,923,005 km (0.075 R)
• M43: 26,102,584 km (0.103 R)
• M44: 26,357,798 km (0.097 R)
• M45: 27,732,453 km (0.083 R)
• M46: 28,428,532 km (0.108 R)
• M47: 28,778,741 km (0.12 R)
• M48: 29,394,934 km (0.097 R)
• M49: 30,461,567 km (0.077 R)
• M50: 31,179,637 km (0.077 R)
• M51: 31,631,123 km (0.106 R)
• M52: 32,267,064 km (0.115 R)
• M53: 32,540,828 km (0.098 R)
• M54: 33,921,467 km (0.093 R)
• M55: 35,509,149 km (0.027 R)
• M56: 35,603,246 km (0.118 R)
• M57: 35,886,285 km (0.053 R)
• M58: 36,075,227 km (0.087 R)
• M59: 36,169,923 km (0.12 R)
• M60: 38,272,820 km (0.115 R)
• M61: 39,534,080 km (0.09 R)
• M62: 44,408,577 km (0.115 R)
• M63: 46,761,153 km (0.114 R)
• M64: 48,004,610 km (0.071 R)
• M65: 49,258,839 km (0.061 R)
• M66: 50,947,799 km (0.092 R)
• M67: 54,273,808 km (0.116 R)
• M68: 54,490,875 km (0.071 R)
• M69: 55,252,627 km (0.067 R)
• M70: 55,470,890 km (0.12 R)
• M71: 56,566,545 km (0.105 R)
• M72: 57,669,381 km (0.058 R)
• M73: 58,223,491 km (0.084 R)
• M74: 58,890,698 km (0.117 R)
• M75: 59,113,748 km (0.044 R)
• M76: 59,448,698 km (0.116 R)
• M77: 61,358,763 km (0.032 R)
• M78: 62,264,579 km (0.081 R)
• M79: 62,833,050 km (0.077 R)
• M80: 63,289,025 km (0.115 R)
• M81: 63,403,168 km (0.108 R)
• M82: 66,047,610 km (0.073 R)
• M83: 66,859,627 km (0.082 R)
• M84: 68,727,955 km (0.045 R)
• M85: 68,845,389 km (0.045 R)
• M86: 72,754,830 km (0.117 R)
• M87: 72,874,508 km (0.119 R)
• M88: 73,353,521 km (0.097 R)
• M89: 73,593,326 km (0.089 R)
• M90: 74,314,687 km (0.102 R)
• M91: 74,917,566 km (0.11 R)
• M92: 75,764,290 km (0.064 R)
• M93: 76,249,436 km (0.052 R)
• M94: 77,101,097 km (0.112 R)
• M95: 77,467,163 km (0.098 R)
• M96: 81,034,474 km (0.074 R)

Kuiper Belt

Range: 30.5 - 50.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 19,329 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit