🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.54 AU - 0.72 AU

Year: 323 Days

Day: 16.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,828,787 km

• M1: 101,876 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.6

Radius: 12.2

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.54 AU - 0.82 AU

Year: 362 Days

Day: 9.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,828,787 km

• M1: 151,991 km (0.1 R)
• M2: 608,863 km (0.079 R)
• M3: 990,787 km (0.026 R)
• M4: 1,694,495 km (0.108 R)
• M5: 2,088,386 km (0.076 R)
• M6: 2,601,657 km (0.05 R)
• M7: 3,113,132 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.6

Radius: 9

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.91 AU - 0.97 AU

Year: 588 Days

Day: 6.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,828,787 km

• M1: 111,899 km (0.066 R)
• M2: 399,426 km (0.051 R)
• M3: 686,056 km (0.089 R)
• M4: 967,599 km (0.092 R)
• M5: 1,281,156 km (0.116 R)
• M6: 1,988,604 km (0.043 R)
• M7: 2,293,784 km (0.12 R)
• M8: 2,831,439 km (0.108 R)
• M9: 3,163,845 km (0.118 R)
• M10: 3,486,378 km (0.03 R)
• M11: 3,793,054 km (0.094 R)
• M12: 4,390,698 km (0.095 R)
• M13: 4,793,415 km (0.077 R)
• M14: 5,315,362 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.1

Radius: 12.2

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.06 AU - 1.32 AU

Year: 838 Days

Day: 11.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,828,787 km

• M1: 151,692 km (0.086 R)
• M2: 681,269 km (0.098 R)
• M3: 1,535,921 km (0.115 R)
• M4: 1,938,788 km (0.045 R)
• M5: 2,610,632 km (0.114 R)
• M6: 3,077,378 km (0.096 R)
• M7: 4,056,496 km (0.106 R)
• M8: 4,502,298 km (0.066 R)
• M9: 6,040,762 km (0.088 R)
• M10: 7,245,324 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.6

Radius: 9.3

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.17 AU - 2.53 AU

Year: 2326 Days

Day: 6 Hours

Environment

Temp: -194 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,828,787 km

• M1: 115,639 km (0.118 R)
• M2: 413,638 km (0.029 R)
• M3: 739,462 km (0.092 R)
• M4: 1,163,423 km (0.096 R)
• M5: 2,915,812 km (0.055 R)
• M6: 4,287,924 km (0.063 R)
• M7: 4,713,530 km (0.096 R)
• M8: 5,045,936 km (0.026 R)
• M9: 5,846,285 km (0.083 R)
• M10: 7,304,714 km (0.05 R)
• M11: 7,994,809 km (0.088 R)
• M12: 8,612,200 km (0.074 R)
• M13: 9,351,812 km (0.061 R)
• M14: 9,815,715 km (0.1 R)
• M15: 10,327,190 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917

Radius: 9.2

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4 AU - 4.02 AU

Year: 5185 Days

Day: 10.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 46,828,787 km

• M1: 114,592 km (0.075 R)
• M2: 424,559 km (0.105 R)
• M3: 768,484 km (0.114 R)
• M4: 1,485,656 km (0.11 R)
• M5: 1,964,220 km (0.066 R)
• M6: 3,068,552 km (0.115 R)
• M7: 3,443,444 km (0.063 R)
• M8: 4,136,680 km (0.115 R)
• M9: 4,438,868 km (0.034 R)
• M10: 6,178,242 km (0.083 R)
• M11: 6,917,256 km (0.047 R)
• M12: 7,789,262 km (0.073 R)
• M13: 8,814,905 km (0.103 R)
• M14: 9,190,096 km (0.06 R)
• M15: 10,798,722 km (0.072 R)
• M16: 13,063,335 km (0.077 R)
• M17: 13,606,674 km (0.111 R)
• M18: 14,449,658 km (0.117 R)
• M19: 14,854,769 km (0.106 R)
• M20: 15,267,510 km (0.072 R)
• M21: 15,627,293 km (0.093 R)
• M22: 15,931,425 km (0.026 R)
• M23: 19,056,226 km (0.102 R)
• M24: 19,543,615 km (0.113 R)
• M25: 20,182,548 km (0.071 R)
• M26: 20,543,528 km (0.057 R)
• M27: 22,030,530 km (0.084 R)
• M28: 22,336,308 km (0.054 R)
• M29: 24,312,197 km (0.091 R)
• M30: 27,800,520 km (0.117 R)
• M31: 28,517,992 km (0.11 R)
• M32: 29,247,880 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337

Radius: 7.8

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.74 AU - 6.76 AU

Year: 10089 Days

Day: 21.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 66.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,828,787 km

• M1: 96,939 km (0.111 R)
• M2: 595,998 km (0.11 R)
• M3: 1,306,438 km (0.113 R)
• M4: 1,629,121 km (0.057 R)
• M5: 1,989,053 km (0.081 R)
• M6: 2,401,495 km (0.114 R)
• M7: 3,792,456 km (0.105 R)
• M8: 4,140,271 km (0.1 R)
• M9: 5,343,486 km (0.095 R)
• M10: 8,175,224 km (0.092 R)
• M11: 11,111,681 km (0.066 R)
• M12: 12,515,059 km (0.113 R)
• M13: 15,233,551 km (0.096 R)
• M14: 15,986,178 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.4

Radius: 6.4

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.02 AU - 9.96 AU

Year: 14583 Days

Day: 16.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,828,787 km

• M1: 109,655 km (0.082 R)
• M2: 308,920 km (0.104 R)
• M3: 1,523,355 km (0.037 R)
• M4: 2,454,751 km (0.053 R)
• M5: 3,978,256 km (0.12 R)
• M6: 5,487,250 km (0.097 R)
• M7: 10,618,008 km (0.063 R)
• M8: 13,842,441 km (0.065 R)
• M9: 16,761,394 km (0.094 R)
• M10: 18,805,948 km (0.096 R)
• M11: 28,199,199 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.5

Radius: 5.6

Gravity: 28.4 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.19 AU - 8.21 AU

Year: 15161 Days

Day: 16.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 46,828,787 km

• M1: 69,713 km (0.037 R)
• M2: 331,509 km (0.066 R)
• M3: 774,468 km (0.074 R)
• M4: 1,071,570 km (0.093 R)
• M5: 1,310,029 km (0.094 R)
• M6: 1,649,466 km (0.083 R)
• M7: 2,437,249 km (0.06 R)
• M8: 2,732,854 km (0.101 R)
• M9: 3,077,827 km (0.118 R)
• M10: 3,396,021 km (0.1 R)
• M11: 3,824,470 km (0.054 R)
• M12: 6,871,030 km (0.112 R)
• M13: 7,649,687 km (0.099 R)
• M14: 9,218,670 km (0.098 R)
• M15: 11,234,650 km (0.116 R)
• M16: 11,733,559 km (0.117 R)
• M17: 11,988,474 km (0.089 R)
• M18: 12,641,918 km (0.109 R)
• M19: 17,397,933 km (0.11 R)
• M20: 18,320,054 km (0.12 R)
• M21: 21,281,494 km (0.061 R)
• M22: 24,651,036 km (0.085 R)
• M23: 25,812,963 km (0.113 R)
• M24: 28,131,880 km (0.102 R)
• M25: 30,346,227 km (0.05 R)
• M26: 33,433,479 km (0.104 R)
• M27: 37,959,113 km (0.105 R)
• M28: 40,079,364 km (0.109 R)
• M29: 41,388,644 km (0.09 R)
• M30: 49,516,147 km (0.112 R)
• M31: 53,951,874 km (0.047 R)
• M32: 55,547,036 km (0.086 R)
• M33: 55,905,622 km (0.112 R)
• M34: 60,900,396 km (0.102 R)
• M35: 63,017,654 km (0.082 R)
• M36: 68,216,330 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.5

Radius: 6.6

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.95 AU - 8.85 AU

Year: 15719 Days

Day: 20.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 46,828,787 km

• M1: 82,129 km (0.115 R)
• M2: 593,604 km (0.078 R)
• M3: 1,054,216 km (0.107 R)
• M4: 1,474,736 km (0.088 R)
• M5: 1,823,897 km (0.112 R)
• M6: 2,770,553 km (0.067 R)
• M7: 3,141,705 km (0.101 R)
• M8: 4,257,256 km (0.066 R)
• M9: 4,485,393 km (0.05 R)
• M10: 5,219,619 km (0.116 R)
• M11: 6,467,266 km (0.119 R)
• M12: 6,924,137 km (0.119 R)
• M13: 8,073,647 km (0.058 R)
• M14: 9,345,229 km (0.082 R)
• M15: 10,280,665 km (0.067 R)
• M16: 10,640,597 km (0.084 R)
• M17: 11,604,756 km (0.112 R)
• M18: 16,813,305 km (0.118 R)
• M19: 18,719,481 km (0.082 R)
• M20: 20,602,768 km (0.088 R)
• M21: 21,506,788 km (0.104 R)
• M22: 22,351,268 km (0.103 R)
• M23: 25,574,803 km (0.103 R)
• M24: 27,987,368 km (0.118 R)
• M25: 28,588,303 km (0.069 R)
• M26: 29,815,604 km (0.032 R)
• M27: 31,184,424 km (0.117 R)
• M28: 31,830,238 km (0.119 R)
• M29: 33,933,734 km (0.101 R)
• M30: 38,415,536 km (0.107 R)
• M31: 39,657,348 km (0.099 R)
• M32: 45,715,763 km (0.116 R)
• M33: 46,131,047 km (0.106 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 11,953 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit