🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.1

Radius: 15

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.64 AU - 0.66 AU

Year: 355 Days

Day: 9.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,823,416 km

• M1: 186,549 km (0.037 R)
• M2: 732,282 km (0.041 R)
• M3: 1,723,667 km (0.082 R)
• M4: 2,234,095 km (0.06 R)
• M5: 2,797,181 km (0.102 R)
• M6: 3,466,482 km (0.082 R)
• M7: 4,267,878 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.7

Radius: 13.5

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.69 AU - 0.89 AU

Year: 476 Days

Day: 15 Hours

Environment

Temp: -165 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,823,416 km

• M1: 167,998 km (0.112 R)
• M2: 718,818 km (0.107 R)
• M3: 1,297,911 km (0.091 R)
• M4: 1,744,311 km (0.113 R)
• M5: 2,679,747 km (0.12 R)
• M6: 3,143,350 km (0.106 R)
• M7: 3,792,306 km (0.103 R)
• M8: 4,235,116 km (0.119 R)
• M9: 4,774,865 km (0.065 R)
• M10: 5,548,435 km (0.088 R)
• M11: 6,011,441 km (0.097 R)
• M12: 6,558,371 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.3

Radius: 11.2

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.86 AU - 3.88 AU

Year: 4196 Days

Day: 8.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,823,416 km

• M1: 139,425 km (0.089 R)
• M2: 517,309 km (0.075 R)
• M3: 953,088 km (0.111 R)
• M4: 1,431,502 km (0.115 R)
• M5: 1,798,166 km (0.088 R)
• M6: 2,319,515 km (0.089 R)
• M7: 3,319,726 km (0.107 R)
• M8: 4,155,829 km (0.032 R)
• M9: 4,994,624 km (0.107 R)
• M10: 5,566,836 km (0.092 R)
• M11: 6,273,985 km (0.081 R)
• M12: 7,724,935 km (0.109 R)
• M13: 8,681,314 km (0.113 R)
• M14: 9,388,463 km (0.115 R)
• M15: 11,883,008 km (0.048 R)
• M16: 12,606,762 km (0.036 R)
• M17: 13,155,936 km (0.088 R)
• M18: 14,248,748 km (0.11 R)
• M19: 14,955,000 km (0.112 R)
• M20: 15,457,499 km (0.077 R)
• M21: 16,852,799 km (0.043 R)
• M22: 17,828,625 km (0.062 R)
• M23: 19,493,949 km (0.051 R)
• M24: 22,111,014 km (0.09 R)
• M25: 25,110,152 km (0.09 R)
• M26: 28,200,994 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.9

Radius: 12.8

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.88 AU - 4.16 AU

Year: 4479 Days

Day: 7.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,823,416 km

• M1: 159,172 km (0.09 R)
• M2: 657,632 km (0.107 R)
• M3: 1,141,731 km (0.097 R)
• M4: 1,627,625 km (0.095 R)
• M5: 2,132,667 km (0.1 R)
• M6: 2,587,594 km (0.12 R)
• M7: 3,031,900 km (0.075 R)
• M8: 4,862,978 km (0.11 R)
• M9: 5,292,773 km (0.108 R)
• M10: 6,416,851 km (0.102 R)
• M11: 6,869,085 km (0.084 R)
• M12: 7,273,598 km (0.085 R)
• M13: 8,019,942 km (0.088 R)
• M14: 8,507,182 km (0.106 R)
• M15: 11,954,815 km (0.114 R)
• M16: 13,774,374 km (0.047 R)
• M17: 17,268,531 km (0.08 R)
• M18: 17,829,673 km (0.116 R)
• M19: 19,924,492 km (0.059 R)
• M20: 21,743,602 km (0.08 R)
• M21: 23,216,542 km (0.1 R)
• M22: 25,790,523 km (0.099 R)
• M23: 26,278,212 km (0.06 R)
• M24: 26,772,185 km (0.08 R)
• M25: 27,272,141 km (0.046 R)
• M26: 28,463,089 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.3

Radius: 13.5

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.74 AU - 4.56 AU

Year: 4730 Days

Day: 9.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,823,416 km

• M1: 167,998 km (0.099 R)
• M2: 612,902 km (0.089 R)
• M3: 1,189,602 km (0.098 R)
• M4: 1,776,176 km (0.106 R)
• M5: 2,209,112 km (0.098 R)
• M6: 2,697,100 km (0.082 R)
• M7: 3,873,538 km (0.073 R)
• M8: 6,408,623 km (0.073 R)
• M9: 7,885,453 km (0.082 R)
• M10: 8,594,098 km (0.053 R)
• M11: 9,696,784 km (0.114 R)
• M12: 12,745,888 km (0.089 R)
• M13: 13,424,763 km (0.065 R)
• M14: 13,924,271 km (0.11 R)
• M15: 15,936,960 km (0.066 R)
• M16: 17,657,934 km (0.115 R)
• M17: 18,934,154 km (0.083 R)
• M18: 21,738,366 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.5

Radius: 11.6

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.18 AU - 5.36 AU

Year: 7066 Days

Day: 14.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,823,416 km

• M1: 144,212 km (0.089 R)
• M2: 1,032,674 km (0.084 R)
• M3: 1,419,833 km (0.114 R)
• M4: 2,107,385 km (0.079 R)
• M5: 3,047,757 km (0.104 R)
• M6: 3,555,193 km (0.065 R)
• M7: 3,916,023 km (0.097 R)
• M8: 4,942,265 km (0.099 R)
• M9: 6,004,859 km (0.045 R)
• M10: 6,989,512 km (0.111 R)
• M11: 14,597,162 km (0.117 R)
• M12: 17,172,340 km (0.046 R)
• M13: 20,492,365 km (0.096 R)
• M14: 21,900,530 km (0.082 R)
• M15: 26,330,572 km (0.107 R)
• M16: 28,563,170 km (0.041 R)
• M17: 31,938,397 km (0.07 R)
• M18: 32,352,185 km (0.116 R)
• M19: 36,127,138 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.5

Radius: 5.8

Gravity: 22.87 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.23 AU - 8.65 AU

Year: 12400 Days

Day: 15.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 47,823,416 km

• M1: 78,539 km (0.053 R)
• M2: 447,746 km (0.061 R)
• M3: 1,622,987 km (0.098 R)
• M4: 2,155,107 km (0.098 R)
• M5: 3,223,984 km (0.052 R)
• M6: 4,703,058 km (0.108 R)
• M7: 5,773,281 km (0.08 R)
• M8: 6,384,987 km (0.072 R)
• M9: 6,871,329 km (0.068 R)
• M10: 7,826,811 km (0.086 R)
• M11: 8,527,228 km (0.073 R)
• M12: 8,917,379 km (0.114 R)
• M13: 9,268,486 km (0.084 R)
• M14: 10,487,260 km (0.052 R)
• M15: 10,935,156 km (0.048 R)
• M16: 11,221,486 km (0.099 R)
• M17: 13,303,290 km (0.1 R)
• M18: 13,629,712 km (0.089 R)
• M19: 14,028,391 km (0.109 R)
• M20: 16,510,967 km (0.094 R)
• M21: 18,373,162 km (0.119 R)
• M22: 18,615,361 km (0.056 R)
• M23: 19,943,491 km (0.09 R)
• M24: 21,601,035 km (0.111 R)
• M25: 21,961,267 km (0.113 R)
• M26: 22,509,244 km (0.091 R)
• M27: 23,919,054 km (0.059 R)
• M28: 26,397,741 km (0.116 R)
• M29: 27,330,484 km (0.112 R)
• M30: 27,646,135 km (0.098 R)
• M31: 32,091,586 km (0.096 R)
• M32: 39,082,593 km (0.067 R)
• M33: 44,219,186 km (0.101 R)
• M34: 45,976,961 km (0.034 R)
• M35: 47,023,697 km (0.086 R)
• M36: 55,637,393 km (0.081 R)
• M37: 56,144,679 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923

Radius: 5.8

Gravity: 27.44 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.23 AU - 7.77 AU

Year: 12561 Days

Day: 17 Hours

Environment

Temp: -233 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 47,823,416 km

• M1: 73,153 km (0.1 R)
• M2: 296,952 km (0.086 R)
• M3: 999,912 km (0.115 R)
• M4: 1,270,535 km (0.094 R)
• M5: 1,542,803 km (0.099 R)
• M6: 1,923,978 km (0.104 R)
• M7: 2,127,431 km (0.088 R)
• M8: 3,924,251 km (0.036 R)
• M9: 5,316,260 km (0.11 R)
• M10: 5,909,415 km (0.103 R)
• M11: 6,838,119 km (0.052 R)
• M12: 7,315,037 km (0.043 R)
• M13: 7,629,791 km (0.081 R)
• M14: 10,147,972 km (0.045 R)
• M15: 11,175,859 km (0.045 R)
• M16: 14,958,441 km (0.104 R)
• M17: 15,465,877 km (0.054 R)
• M18: 15,686,833 km (0.07 R)
• M19: 16,515,007 km (0.055 R)
• M20: 17,292,915 km (0.114 R)
• M21: 18,422,679 km (0.043 R)
• M22: 20,649,892 km (0.045 R)
• M23: 25,221,752 km (0.052 R)
• M24: 26,990,298 km (0.105 R)
• M25: 28,507,520 km (0.098 R)
• M26: 29,625,465 km (0.116 R)
• M27: 36,560,822 km (0.082 R)
• M28: 39,640,893 km (0.111 R)
• M29: 40,611,633 km (0.077 R)
• M30: 46,159,171 km (0.1 R)
• M31: 48,481,080 km (0.098 R)
• M32: 52,190,957 km (0.119 R)
• M33: 52,522,167 km (0.118 R)
• M34: 58,727,337 km (0.073 R)
• M35: 60,169,610 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.3

Radius: 4.8

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.58 AU - 10.84 AU

Year: 18957 Days

Day: 18.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,823,416 km

• M1: 59,839 km (0.079 R)
• M2: 575,204 km (0.093 R)
• M3: 815,009 km (0.091 R)
• M4: 4,470,433 km (0.053 R)
• M5: 5,679,034 km (0.059 R)
• M6: 7,373,829 km (0.12 R)
• M7: 11,664,894 km (0.108 R)
• M8: 15,078,119 km (0.108 R)
• M9: 16,372,589 km (0.05 R)
• M10: 21,192,782 km (0.079 R)
• M11: 27,075,270 km (0.114 R)
• M12: 35,580,507 km (0.089 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 14,625 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit