🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.9

Radius: 9

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.94 AU - 0.94 AU

Year: 598 Days

Day: 13.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,627,960 km

• M1: 111,899 km (0.066 R)
• M2: 431,440 km (0.114 R)
• M3: 719,117 km (0.077 R)
• M4: 1,038,658 km (0.056 R)
• M5: 1,330,673 km (0.092 R)
• M6: 2,096,016 km (0.097 R)
• M7: 2,435,603 km (0.106 R)
• M8: 2,926,733 km (0.058 R)
• M9: 3,264,525 km (0.091 R)
• M10: 3,890,741 km (0.104 R)
• M11: 5,686,963 km (0.104 R)
• M12: 6,333,226 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646

Radius: 10.1

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.88 AU - 1.06 AU

Year: 627 Days

Day: 5 Hours

Environment

Temp: -166 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,627,960 km

• M1: 126,261 km (0.111 R)
• M2: 451,786 km (0.064 R)
• M3: 902,075 km (0.079 R)
• M4: 1,273,676 km (0.065 R)
• M5: 1,716,187 km (0.089 R)
• M6: 2,063,852 km (0.082 R)
• M7: 2,835,478 km (0.064 R)
• M8: 3,802,778 km (0.114 R)
• M9: 4,145,507 km (0.027 R)
• M10: 4,910,101 km (0.11 R)
• M11: 5,784,351 km (0.111 R)
• M12: 6,181,234 km (0.039 R)
• M13: 7,221,239 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.9

Radius: 10.2

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.98 AU - 1.02 AU

Year: 656 Days

Day: 9.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,627,960 km

• M1: 126,859 km (0.048 R)
• M2: 472,879 km (0.032 R)
• M3: 813,214 km (0.038 R)
• M4: 1,166,714 km (0.098 R)
• M5: 1,491,940 km (0.109 R)
• M6: 1,825,692 km (0.037 R)
• M7: 2,322,058 km (0.12 R)
• M8: 2,648,182 km (0.112 R)
• M9: 3,475,907 km (0.066 R)
• M10: 5,118,192 km (0.115 R)
• M11: 5,753,085 km (0.09 R)
• M12: 6,716,346 km (0.092 R)
• M13: 7,617,823 km (0.117 R)
• M14: 8,572,407 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.5

Radius: 14.8

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.76 AU - 2.9 AU

Year: 3123 Days

Day: 8.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,627,960 km

• M1: 184,005 km (0.111 R)
• M2: 696,228 km (0.084 R)
• M3: 1,238,371 km (0.035 R)
• M4: 1,720,376 km (0.055 R)
• M5: 2,263,266 km (0.113 R)
• M6: 2,905,041 km (0.11 R)
• M7: 3,482,638 km (0.065 R)
• M8: 3,975,713 km (0.105 R)
• M9: 4,450,985 km (0.098 R)
• M10: 5,417,986 km (0.047 R)
• M11: 6,521,270 km (0.065 R)
• M12: 7,097,073 km (0.096 R)
• M13: 8,219,356 km (0.105 R)
• M14: 8,926,954 km (0.113 R)
• M15: 10,158,743 km (0.032 R)
• M16: 12,387,452 km (0.086 R)
• M17: 13,364,475 km (0.069 R)
• M18: 14,201,625 km (0.097 R)
• M19: 15,422,044 km (0.114 R)
• M20: 17,848,821 km (0.096 R)
• M21: 19,680,647 km (0.11 R)

Asteroid Belt

Center: 3.38 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.2

Radius: 9.8

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.68 AU - 4.16 AU

Year: 5091 Days

Day: 9.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,627,960 km

• M1: 146,008 km (0.118 R)
• M2: 601,683 km (0.082 R)
• M3: 1,289,085 km (0.103 R)
• M4: 1,886,280 km (0.12 R)
• M5: 2,926,284 km (0.113 R)
• M6: 4,527,430 km (0.074 R)
• M7: 6,503,169 km (0.105 R)
• M8: 8,446,146 km (0.072 R)
• M9: 9,752,734 km (0.104 R)
• M10: 14,818,267 km (0.11 R)
• M11: 15,164,587 km (0.048 R)
• M12: 16,817,344 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.3

Radius: 8.9

Gravity: 11.87 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.88 AU - 5.82 AU

Year: 7007 Days

Day: 11.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,627,960 km

• M1: 110,702 km (0.116 R)
• M2: 482,453 km (0.09 R)
• M3: 1,080,994 km (0.06 R)
• M4: 1,383,631 km (0.081 R)
• M5: 3,216,055 km (0.057 R)
• M6: 3,955,667 km (0.066 R)
• M7: 4,518,155 km (0.103 R)
• M8: 6,529,049 km (0.09 R)
• M9: 7,996,156 km (0.078 R)
• M10: 8,288,620 km (0.101 R)
• M11: 9,164,216 km (0.095 R)
• M12: 10,893,567 km (0.083 R)
• M13: 11,835,136 km (0.108 R)
• M14: 12,160,811 km (0.106 R)
• M15: 13,879,840 km (0.098 R)
• M16: 14,303,202 km (0.088 R)
• M17: 14,860,155 km (0.081 R)
• M18: 15,239,385 km (0.043 R)
• M19: 15,560,273 km (0.114 R)
• M20: 16,215,811 km (0.106 R)
• M21: 17,164,261 km (0.109 R)
• M22: 21,012,367 km (0.037 R)
• M23: 26,770,539 km (0.084 R)
• M24: 27,521,371 km (0.091 R)
• M25: 31,384,736 km (0.116 R)
• M26: 31,696,049 km (0.114 R)
• M27: 32,430,574 km (0.113 R)
• M28: 32,962,096 km (0.063 R)
• M29: 33,607,610 km (0.103 R)
• M30: 35,933,558 km (0.084 R)
• M31: 37,893,440 km (0.059 R)
• M32: 39,680,835 km (0.068 R)
• M33: 40,533,992 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.9

Radius: 11.2

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.4 AU - 6.22 AU

Year: 8027 Days

Day: 12 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,627,960 km

• M1: 149,747 km (0.049 R)
• M2: 639,980 km (0.083 R)
• M3: 1,002,455 km (0.05 R)
• M4: 3,085,456 km (0.111 R)
• M5: 3,624,906 km (0.117 R)
• M6: 4,117,233 km (0.119 R)
• M7: 4,479,559 km (0.073 R)
• M8: 5,204,809 km (0.114 R)
• M9: 5,764,754 km (0.078 R)
• M10: 6,966,474 km (0.104 R)
• M11: 7,361,861 km (0.114 R)
• M12: 7,730,320 km (0.065 R)
• M13: 8,154,430 km (0.049 R)
• M14: 9,713,539 km (0.12 R)
• M15: 12,701,158 km (0.106 R)
• M16: 13,292,668 km (0.109 R)
• M17: 14,530,890 km (0.102 R)
• M18: 15,575,532 km (0.077 R)
• M19: 16,809,864 km (0.093 R)
• M20: 18,480,573 km (0.12 R)
• M21: 21,067,270 km (0.03 R)
• M22: 23,708,869 km (0.034 R)
• M23: 24,515,351 km (0.089 R)
• M24: 25,063,029 km (0.114 R)
• M25: 26,563,795 km (0.077 R)
• M26: 27,925,285 km (0.084 R)
• M27: 29,537,501 km (0.059 R)
• M28: 32,397,663 km (0.065 R)
• M29: 42,339,339 km (0.03 R)
• M30: 43,260,563 km (0.104 R)
• M31: 45,416,268 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102.3

Radius: 3.7

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.36 AU - 12.26 AU

Year: 20156 Days

Day: 20.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,627,960 km

• M1: 48,171 km (0.094 R)
• M2: 263,292 km (0.026 R)
• M3: 454,478 km (0.079 R)
• M4: 710,291 km (0.111 R)
• M5: 916,885 km (0.117 R)
• M6: 1,312,871 km (0.096 R)
• M7: 1,437,486 km (0.078 R)
• M8: 1,783,805 km (0.097 R)
• M9: 2,149,422 km (0.069 R)
• M10: 2,860,162 km (0.111 R)
• M11: 4,043,032 km (0.086 R)
• M12: 4,200,858 km (0.103 R)
• M13: 6,046,447 km (0.088 R)
• M14: 6,975,300 km (0.103 R)
• M15: 7,473,760 km (0.103 R)
• M16: 8,202,451 km (0.109 R)
• M17: 10,133,012 km (0.086 R)
• M18: 10,326,741 km (0.107 R)
• M19: 13,419,527 km (0.046 R)
• M20: 13,948,954 km (0.049 R)
• M21: 15,814,141 km (0.092 R)
• M22: 20,955,071 km (0.115 R)
• M23: 21,269,526 km (0.098 R)
• M24: 23,728,616 km (0.091 R)
• M25: 24,328,503 km (0.119 R)
• M26: 29,496,362 km (0.103 R)
• M27: 32,649,137 km (0.063 R)
• M28: 38,664,617 km (0.091 R)
• M29: 39,494,586 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.7

Radius: 7.9

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 8.71 AU - 11.51 AU

Year: 21088 Days

Day: 24 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,627,960 km

• M1: 98,286 km (0.092 R)
• M2: 893,847 km (0.026 R)
• M3: 1,162,076 km (0.028 R)
• M4: 1,427,014 km (0.104 R)
• M5: 1,972,149 km (0.082 R)
• M6: 3,315,837 km (0.107 R)
• M7: 4,089,557 km (0.109 R)
• M8: 5,799,909 km (0.079 R)
• M9: 9,109,762 km (0.115 R)
• M10: 11,307,953 km (0.079 R)
• M11: 12,784,335 km (0.037 R)
• M12: 13,435,834 km (0.048 R)
• M13: 20,771,066 km (0.106 R)
• M14: 22,690,855 km (0.081 R)
• M15: 23,742,229 km (0.11 R)
• M16: 29,828,619 km (0.095 R)
• M17: 31,439,489 km (0.104 R)
• M18: 43,347,778 km (0.096 R)
• M19: 44,519,279 km (0.046 R)
• M20: 48,943,038 km (0.112 R)
• M21: 51,179,825 km (0.116 R)
• M22: 51,504,752 km (0.078 R)
• M23: 54,831,060 km (0.06 R)
• M24: 58,652,388 km (0.117 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 13,453 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit