🌌 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: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.52 AU - 0.58 AU

Year: 263 Days

Day: 40 Hours

Environment

Temp: -123 °C

Axial Tilt: 21.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,987,926 km

• M1: 10,771 km (0.099 R)
• M2: 35,455 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.9

Radius: 12.3

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.78 AU - 0.88 AU

Year: 488 Days

Day: 6.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,987,926 km

• M1: 153,039 km (0.115 R)
• M2: 553,512 km (0.088 R)
• M3: 1,012,179 km (0.032 R)
• M4: 1,423,125 km (0.1 R)
• M5: 1,939,536 km (0.095 R)
• M6: 2,439,193 km (0.108 R)
• M7: 2,866,744 km (0.064 R)
• M8: 3,394,076 km (0.11 R)
• M9: 4,492,424 km (0.079 R)
• M10: 4,880,631 km (0.108 R)
• M11: 5,778,667 km (0.057 R)
• M12: 6,257,978 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.1

Radius: 9.8

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.7 AU - 0.96 AU

Year: 488 Days

Day: 10.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,987,926 km

• M1: 122,221 km (0.092 R)
• M2: 443,109 km (0.108 R)
• M3: 848,370 km (0.118 R)
• M4: 1,269,637 km (0.09 R)
• M5: 1,609,374 km (0.088 R)
• M6: 2,076,568 km (0.109 R)
• M7: 3,115,076 km (0.058 R)
• M8: 3,485,032 km (0.118 R)
• M9: 4,511,573 km (0.096 R)
• M10: 4,819,894 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.8

Radius: 12

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.12 AU - 1.38 AU

Year: 902 Days

Day: 7.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,987,926 km

• M1: 151,543 km (0.12 R)
• M2: 525,089 km (0.091 R)
• M3: 969,544 km (0.036 R)
• M4: 1,467,555 km (0.104 R)
• M5: 1,863,092 km (0.054 R)
• M6: 2,704,281 km (0.083 R)
• M7: 3,671,132 km (0.101 R)
• M8: 4,227,037 km (0.052 R)
• M9: 4,623,023 km (0.078 R)
• M10: 5,344,384 km (0.077 R)
• M11: 5,789,438 km (0.072 R)
• M12: 6,199,037 km (0.066 R)
• M13: 7,941,104 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.1

Radius: 11.7

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.23 AU - 3.03 AU

Year: 2754 Days

Day: 13.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,987,926 km

• M1: 145,708 km (0.1 R)
• M2: 530,923 km (0.092 R)
• M3: 925,712 km (0.088 R)
• M4: 1,578,557 km (0.085 R)
• M5: 2,314,429 km (0.108 R)
• M6: 2,959,195 km (0.058 R)
• M7: 4,788,329 km (0.116 R)
• M8: 5,724,961 km (0.108 R)
• M9: 7,057,429 km (0.102 R)
• M10: 7,612,736 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.7

Radius: 12.6

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.26 AU - 4.36 AU

Year: 5777 Days

Day: 5.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,987,926 km

• M1: 156,779 km (0.066 R)
• M2: 737,218 km (0.112 R)
• M3: 1,705,117 km (0.11 R)
• M4: 2,885,444 km (0.073 R)
• M5: 3,375,826 km (0.116 R)
• M6: 4,310,214 km (0.107 R)
• M7: 4,851,459 km (0.099 R)
• M8: 5,327,629 km (0.094 R)
• M9: 6,343,548 km (0.076 R)
• M10: 6,784,563 km (0.117 R)
• M11: 7,381,757 km (0.109 R)
• M12: 7,834,590 km (0.103 R)
• M13: 9,588,625 km (0.051 R)
• M14: 10,171,010 km (0.07 R)
• M15: 10,601,403 km (0.083 R)
• M16: 11,133,822 km (0.11 R)
• M17: 11,591,142 km (0.062 R)
• M18: 13,342,484 km (0.025 R)
• M19: 14,496,034 km (0.115 R)
• M20: 15,319,869 km (0.073 R)
• M21: 16,584,570 km (0.112 R)
• M22: 21,915,190 km (0.119 R)
• M23: 22,562,052 km (0.078 R)
• M24: 23,743,725 km (0.107 R)
• M25: 25,356,540 km (0.094 R)
• M26: 26,149,857 km (0.117 R)
• M27: 26,796,270 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.2

Radius: 7.5

Gravity: 14.3 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.3 AU - 8.36 AU

Year: 12814 Days

Day: 21.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,987,926 km

• M1: 93,199 km (0.09 R)
• M2: 332,706 km (0.106 R)
• M3: 644,916 km (0.112 R)
• M4: 969,245 km (0.03 R)
• M5: 1,799,812 km (0.065 R)
• M6: 2,393,117 km (0.117 R)
• M7: 3,085,755 km (0.05 R)
• M8: 4,795,809 km (0.032 R)
• M9: 6,639,154 km (0.11 R)
• M10: 7,230,065 km (0.097 R)
• M11: 7,809,607 km (0.104 R)
• M12: 8,467,987 km (0.093 R)
• M13: 12,894,140 km (0.081 R)
• M14: 13,413,843 km (0.109 R)
• M15: 13,812,820 km (0.085 R)
• M16: 15,780,032 km (0.085 R)
• M17: 16,907,252 km (0.101 R)
• M18: 17,372,801 km (0.078 R)
• M19: 18,656,350 km (0.106 R)
• M20: 20,001,684 km (0.103 R)
• M21: 20,698,212 km (0.063 R)
• M22: 21,955,731 km (0.077 R)
• M23: 22,978,831 km (0.088 R)
• M24: 24,033,496 km (0.084 R)
• M25: 25,523,192 km (0.085 R)
• M26: 25,930,547 km (0.085 R)
• M27: 27,710,612 km (0.115 R)
• M28: 30,246,595 km (0.108 R)
• M29: 31,512,343 km (0.093 R)
• M30: 36,413,319 km (0.107 R)
• M31: 38,508,287 km (0.093 R)
• M32: 43,948,563 km (0.075 R)
• M33: 44,387,184 km (0.042 R)
• M34: 44,681,144 km (0.059 R)
• M35: 47,385,724 km (0.066 R)
• M36: 49,405,594 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.5

Radius: 7.6

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 6.59 AU - 10.11 AU

Year: 15579 Days

Day: 15.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,987,926 km

• M1: 100,380 km (0.065 R)
• M2: 374,294 km (0.117 R)
• M3: 4,577,844 km (0.082 R)
• M4: 7,890,988 km (0.114 R)
• M5: 8,522,740 km (0.076 R)
• M6: 12,142,859 km (0.069 R)
• M7: 13,864,282 km (0.049 R)
• M8: 15,162,193 km (0.106 R)
• M9: 23,052,583 km (0.054 R)
• M10: 24,603,763 km (0.08 R)
• M11: 25,314,952 km (0.053 R)
• M12: 26,039,753 km (0.099 R)
• M13: 32,344,705 km (0.063 R)
• M14: 33,738,957 km (0.118 R)
• M15: 37,925,903 km (0.075 R)
• M16: 40,695,857 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.6

Radius: 5.3

Gravity: 27.79 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 9.17 AU - 9.45 AU

Year: 18342 Days

Day: 24.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 64,987,926 km

• M1: 73,153 km (0.091 R)
• M2: 250,277 km (0.083 R)
• M3: 638,933 km (0.105 R)
• M4: 977,921 km (0.07 R)
• M5: 1,413,999 km (0.106 R)
• M6: 2,985,973 km (0.086 R)
• M7: 3,279,485 km (0.045 R)
• M8: 3,562,972 km (0.064 R)
• M9: 6,582,157 km (0.098 R)
• M10: 7,553,496 km (0.097 R)
• M11: 9,379,039 km (0.101 R)
• M12: 9,834,115 km (0.096 R)
• M13: 10,125,981 km (0.087 R)
• M14: 12,333,297 km (0.117 R)
• M15: 13,158,479 km (0.087 R)
• M16: 13,728,746 km (0.097 R)
• M17: 14,389,670 km (0.064 R)
• M18: 18,277,419 km (0.118 R)
• M19: 21,614,648 km (0.08 R)
• M20: 22,609,025 km (0.107 R)
• M21: 23,323,056 km (0.083 R)
• M22: 23,842,161 km (0.04 R)
• M23: 25,336,643 km (0.088 R)
• M24: 27,233,993 km (0.099 R)
• M25: 27,693,857 km (0.073 R)
• M26: 29,224,094 km (0.1 R)
• M27: 29,827,272 km (0.113 R)
• M28: 33,886,162 km (0.067 R)
• M29: 38,011,921 km (0.088 R)
• M30: 42,923,219 km (0.108 R)
• M31: 43,545,846 km (0.056 R)
• M32: 52,727,714 km (0.105 R)
• M33: 56,734,992 km (0.099 R)
• M34: 57,108,987 km (0.081 R)
• M35: 60,940,488 km (0.108 R)
• M36: 61,924,393 km (0.053 R)
• M37: 63,722,111 km (0.063 R)
• M38: 64,329,029 km (0.11 R)
• M39: 64,735,786 km (0.106 R)
• M40: 66,172,823 km (0.09 R)
• M41: 66,795,150 km (0.09 R)
• M42: 70,395,672 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.9

Radius: 3.7

Gravity: 22.78 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 8.63 AU - 13.27 AU

Year: 23396 Days

Day: 24.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 170.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,987,926 km

• M1: 46,226 km (0.093 R)
• M2: 195,375 km (0.068 R)
• M3: 424,708 km (0.062 R)
• M4: 1,613,563 km (0.067 R)
• M5: 2,509,504 km (0.101 R)
• M6: 2,854,327 km (0.099 R)
• M7: 3,282,476 km (0.109 R)
• M8: 4,961,264 km (0.108 R)
• M9: 7,094,230 km (0.066 R)
• M10: 7,454,911 km (0.104 R)
• M11: 8,163,705 km (0.078 R)
• M12: 10,386,131 km (0.105 R)
• M13: 10,909,724 km (0.104 R)
• M14: 11,268,609 km (0.081 R)
• M15: 11,946,587 km (0.055 R)
• M16: 13,864,132 km (0.064 R)
• M17: 16,361,968 km (0.092 R)
• M18: 16,752,867 km (0.097 R)
• M19: 22,608,726 km (0.083 R)
• M20: 23,387,832 km (0.107 R)
• M21: 25,517,806 km (0.086 R)
• M22: 26,361,987 km (0.055 R)
• M23: 26,791,034 km (0.074 R)
• M24: 28,217,749 km (0.035 R)
• M25: 29,925,708 km (0.098 R)
• M26: 32,308,652 km (0.104 R)
• M27: 32,431,023 km (0.119 R)
• M28: 32,676,663 km (0.117 R)
• M29: 36,247,414 km (0.035 R)
• M30: 37,718,410 km (0.095 R)
• M31: 43,551,979 km (0.069 R)
• M32: 44,151,418 km (0.114 R)
• M33: 48,182,033 km (0.083 R)
• M34: 48,501,874 km (0.098 R)
• M35: 60,609,278 km (0.104 R)
• M36: 63,441,764 km (0.105 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 15,988 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit