🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.9

Radius: 10.4

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.41 AU - 0.67 AU

Year: 265 Days

Day: 9.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,076,766 km

• M1: 129,402 km (0.042 R)
• M2: 465,100 km (0.082 R)
• M3: 856,149 km (0.119 R)
• M4: 1,383,032 km (0.112 R)
• M5: 1,728,903 km (0.086 R)
• M6: 2,270,746 km (0.114 R)
• M7: 2,627,986 km (0.119 R)
• M8: 3,261,533 km (0.049 R)
• M9: 3,718,853 km (0.093 R)
• M10: 4,257,107 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.9

Radius: 9

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.52 AU - 0.56 AU

Year: 265 Days

Day: 6.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,076,766 km

• M1: 112,049 km (0.065 R)
• M2: 392,844 km (0.077 R)
• M3: 720,912 km (0.091 R)
• M4: 1,067,530 km (0.057 R)
• M5: 1,500,467 km (0.113 R)
• M6: 1,917,994 km (0.045 R)
• M7: 2,216,292 km (0.116 R)
• M8: 2,968,022 km (0.117 R)
• M9: 3,282,476 km (0.106 R)
• M10: 3,619,072 km (0.118 R)
• M11: 4,167,348 km (0.062 R)
• M12: 4,770,078 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.9

Radius: 9.2

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.61 AU - 0.93 AU

Year: 451 Days

Day: 12.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,076,766 km

• M1: 114,442 km (0.103 R)
• M2: 582,983 km (0.088 R)
• M3: 895,194 km (0.065 R)
• M4: 1,194,240 km (0.074 R)
• M5: 1,730,399 km (0.086 R)
• M6: 2,455,350 km (0.119 R)
• M7: 3,226,976 km (0.111 R)
• M8: 3,634,031 km (0.087 R)
• M9: 4,087,762 km (0.1 R)
• M10: 4,469,386 km (0.072 R)
• M11: 4,947,202 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.7

Radius: 10.2

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.26 AU - 1.58 AU

Year: 1128 Days

Day: 14.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,076,766 km

• M1: 127,009 km (0.078 R)
• M2: 531,372 km (0.038 R)
• M3: 1,035,217 km (0.066 R)
• M4: 1,435,990 km (0.079 R)
• M5: 2,019,571 km (0.119 R)
• M6: 3,041,774 km (0.061 R)
• M7: 3,509,416 km (0.06 R)
• M8: 3,992,019 km (0.071 R)
• M9: 4,412,988 km (0.1 R)
• M10: 4,919,526 km (0.107 R)
• M11: 5,484,707 km (0.096 R)
• M12: 6,583,503 km (0.117 R)
• M13: 6,956,750 km (0.07 R)
• M14: 8,295,651 km (0.101 R)
• M15: 9,097,196 km (0.084 R)
• M16: 9,443,665 km (0.08 R)
• M17: 9,769,040 km (0.1 R)
• M18: 10,348,582 km (0.112 R)
• M19: 10,758,181 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.4

Radius: 8.6

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.53 AU - 2.09 AU

Year: 1624 Days

Day: 5.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,076,766 km

• M1: 106,962 km (0.107 R)
• M2: 474,225 km (0.095 R)
• M3: 763,248 km (0.089 R)
• M4: 1,425,817 km (0.066 R)
• M5: 1,812,079 km (0.117 R)
• M6: 3,275,894 km (0.113 R)
• M7: 3,552,351 km (0.069 R)
• M8: 3,880,718 km (0.042 R)
• M9: 4,332,654 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.5

Radius: 8.3

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.97 AU - 5.97 AU

Year: 8531 Days

Day: 7.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,076,766 km

• M1: 103,223 km (0.117 R)
• M2: 441,912 km (0.102 R)
• M3: 1,223,262 km (0.103 R)
• M4: 1,633,310 km (0.09 R)
• M5: 3,365,354 km (0.078 R)
• M6: 3,857,680 km (0.113 R)
• M7: 4,396,981 km (0.053 R)
• M8: 4,744,197 km (0.065 R)
• M9: 6,650,373 km (0.093 R)
• M10: 6,953,608 km (0.109 R)
• M11: 7,266,118 km (0.115 R)
• M12: 7,711,172 km (0.103 R)
• M13: 8,217,261 km (0.074 R)
• M14: 8,611,302 km (0.098 R)
• M15: 11,676,712 km (0.094 R)
• M16: 13,214,130 km (0.12 R)
• M17: 14,563,203 km (0.085 R)
• M18: 16,341,323 km (0.117 R)
• M19: 19,851,787 km (0.098 R)
• M20: 20,721,699 km (0.101 R)
• M21: 23,923,093 km (0.082 R)
• M22: 24,817,389 km (0.087 R)
• M23: 26,767,697 km (0.114 R)
• M24: 29,321,033 km (0.106 R)
• M25: 34,906,718 km (0.091 R)
• M26: 35,593,672 km (0.094 R)
• M27: 44,152,914 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.3

Radius: 4.4

Gravity: 27.7 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.45 AU - 8.05 AU

Year: 13018 Days

Day: 23.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 67,076,766 km

• M1: 54,753 km (0.106 R)
• M2: 225,294 km (0.071 R)
• M3: 398,828 km (0.109 R)
• M4: 563,236 km (0.095 R)
• M5: 1,078,900 km (0.087 R)
• M6: 1,259,913 km (0.116 R)
• M7: 1,532,929 km (0.075 R)
• M8: 1,683,574 km (0.103 R)
• M9: 2,428,572 km (0.082 R)
• M10: 2,698,297 km (0.03 R)
• M11: 2,987,619 km (0.091 R)
• M12: 5,765,203 km (0.119 R)
• M13: 6,552,985 km (0.101 R)
• M14: 7,887,997 km (0.067 R)
• M15: 8,111,795 km (0.094 R)
• M16: 8,385,858 km (0.055 R)
• M17: 9,645,622 km (0.114 R)
• M18: 12,473,470 km (0.082 R)
• M19: 13,399,930 km (0.067 R)
• M20: 14,304,997 km (0.107 R)
• M21: 17,189,394 km (0.073 R)
• M22: 18,412,955 km (0.064 R)
• M23: 22,788,842 km (0.058 R)
• M24: 23,151,617 km (0.114 R)
• M25: 23,610,434 km (0.047 R)
• M26: 25,119,577 km (0.046 R)
• M27: 26,193,690 km (0.113 R)
• M28: 28,016,689 km (0.099 R)
• M29: 32,825,363 km (0.094 R)
• M30: 36,032,891 km (0.078 R)
• M31: 36,401,799 km (0.115 R)
• M32: 36,773,101 km (0.093 R)
• M33: 39,966,118 km (0.093 R)
• M34: 41,025,570 km (0.096 R)
• M35: 41,293,351 km (0.117 R)
• M36: 42,103,722 km (0.032 R)
• M37: 42,924,715 km (0.108 R)
• M38: 45,308,408 km (0.062 R)
• M39: 46,896,988 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 423.4

Radius: 4.1

Gravity: 25.19 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.11 AU - 11.87 AU

Year: 21056 Days

Day: 16.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 67,076,766 km

• M1: 51,312 km (0.039 R)
• M2: 219,610 km (0.12 R)
• M3: 735,872 km (0.034 R)
• M4: 920,775 km (0.111 R)
• M5: 1,522,308 km (0.078 R)
• M6: 1,652,159 km (0.086 R)
• M7: 1,789,191 km (0.07 R)
• M8: 2,086,591 km (0.028 R)
• M9: 3,501,338 km (0.087 R)
• M10: 3,671,132 km (0.069 R)
• M11: 4,119,327 km (0.117 R)
• M12: 4,470,583 km (0.053 R)
• M13: 5,342,888 km (0.068 R)
• M14: 5,606,180 km (0.114 R)
• M15: 6,746,714 km (0.088 R)
• M16: 7,188,926 km (0.098 R)
• M17: 10,143,035 km (0.098 R)
• M18: 13,677,135 km (0.043 R)
• M19: 14,746,760 km (0.108 R)
• M20: 19,408,379 km (0.105 R)
• M21: 21,973,982 km (0.066 R)
• M22: 25,277,253 km (0.09 R)
• M23: 29,242,045 km (0.089 R)
• M24: 29,706,547 km (0.106 R)
• M25: 30,650,509 km (0.114 R)
• M26: 31,735,991 km (0.102 R)
• M27: 33,855,943 km (0.099 R)
• M28: 33,983,550 km (0.118 R)
• M29: 34,111,456 km (0.062 R)
• M30: 36,468,670 km (0.091 R)
• M31: 40,491,057 km (0.118 R)
• M32: 46,039,343 km (0.087 R)
• M33: 47,942,078 km (0.091 R)
• M34: 50,726,394 km (0.08 R)
• M35: 52,243,167 km (0.117 R)
• M36: 53,789,859 km (0.097 R)
• M37: 57,698,852 km (0.081 R)
• M38: 59,165,958 km (0.055 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 12,210 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit