🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.8

Radius: 10.5

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.51 AU - 0.63 AU

Year: 287 Days

Day: 8.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,860,414 km

• M1: 131,048 km (0.108 R)
• M2: 490,681 km (0.067 R)
• M3: 909,555 km (0.056 R)
• M4: 1,278,314 km (0.115 R)
• M5: 1,867,131 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.4

Radius: 10.9

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.92 AU - 2.44 AU

Year: 2146 Days

Day: 11.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,860,414 km

• M1: 139,724 km (0.101 R)
• M2: 510,428 km (0.095 R)
• M3: 964,906 km (0.079 R)
• M4: 1,322,146 km (0.117 R)
• M5: 1,720,525 km (0.111 R)
• M6: 2,094,969 km (0.108 R)
• M7: 2,471,357 km (0.114 R)
• M8: 3,388,990 km (0.059 R)
• M9: 5,242,657 km (0.079 R)
• M10: 6,541,017 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.9

Radius: 11.8

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.08 AU - 4.26 AU

Year: 4688 Days

Day: 14.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,860,414 km

• M1: 146,905 km (0.083 R)
• M2: 612,603 km (0.073 R)
• M3: 1,294,620 km (0.085 R)
• M4: 1,668,615 km (0.08 R)
• M5: 2,127,880 km (0.115 R)
• M6: 2,799,575 km (0.064 R)
• M7: 4,133,688 km (0.025 R)
• M8: 5,522,555 km (0.119 R)
• M9: 6,324,100 km (0.119 R)
• M10: 6,846,496 km (0.061 R)
• M11: 8,557,746 km (0.026 R)
• M12: 9,002,650 km (0.111 R)
• M13: 9,766,946 km (0.075 R)
• M14: 10,430,562 km (0.043 R)
• M15: 11,049,598 km (0.06 R)
• M16: 11,731,764 km (0.115 R)
• M17: 13,054,808 km (0.116 R)
• M18: 14,077,908 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.8

Radius: 8.9

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.44 AU - 4.16 AU

Year: 4940 Days

Day: 12.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,860,414 km

• M1: 128,804 km (0.077 R)
• M2: 752,477 km (0.082 R)
• M3: 1,123,779 km (0.116 R)
• M4: 1,987,707 km (0.07 R)
• M5: 3,069,599 km (0.09 R)
• M6: 3,581,373 km (0.095 R)
• M7: 5,575,213 km (0.12 R)
• M8: 5,860,796 km (0.037 R)
• M9: 6,873,274 km (0.102 R)
• M10: 7,714,912 km (0.096 R)
• M11: 8,623,569 km (0.098 R)
• M12: 9,123,525 km (0.059 R)
• M13: 10,609,032 km (0.08 R)
• M14: 12,782,839 km (0.095 R)
• M15: 13,792,176 km (0.038 R)
• M16: 14,369,474 km (0.047 R)
• M17: 16,900,071 km (0.084 R)
• M18: 18,177,039 km (0.092 R)
• M19: 20,990,376 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.2

Radius: 10.1

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.77 AU - 3.97 AU

Year: 5077 Days

Day: 13 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,860,414 km

• M1: 126,111 km (0.102 R)
• M2: 453,730 km (0.112 R)
• M3: 874,848 km (0.108 R)
• M4: 1,255,725 km (0.117 R)
• M5: 1,644,380 km (0.092 R)
• M6: 2,073,277 km (0.075 R)
• M7: 2,439,343 km (0.054 R)
• M8: 2,815,432 km (0.082 R)
• M9: 3,321,821 km (0.092 R)
• M10: 4,140,869 km (0.109 R)
• M11: 5,138,537 km (0.105 R)
• M12: 6,063,052 km (0.063 R)
• M13: 7,032,895 km (0.102 R)
• M14: 9,926,268 km (0.042 R)
• M15: 11,355,376 km (0.109 R)
• M16: 13,436,282 km (0.117 R)
• M17: 14,018,517 km (0.113 R)
• M18: 17,354,849 km (0.115 R)
• M19: 17,697,877 km (0.1 R)
• M20: 18,934,453 km (0.082 R)
• M21: 20,799,490 km (0.086 R)
• M22: 21,186,649 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.6

Radius: 14.6

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.18 AU - 4.52 AU

Year: 6050 Days

Day: 8.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,860,414 km

• M1: 182,061 km (0.073 R)
• M2: 692,489 km (0.054 R)
• M3: 1,260,362 km (0.109 R)
• M4: 1,762,861 km (0.114 R)
• M5: 3,250,463 km (0.118 R)
• M6: 4,151,042 km (0.093 R)
• M7: 4,918,180 km (0.104 R)
• M8: 5,748,897 km (0.086 R)
• M9: 7,979,999 km (0.105 R)
• M10: 9,249,487 km (0.105 R)
• M11: 9,743,309 km (0.105 R)
• M12: 11,331,440 km (0.084 R)
• M13: 12,090,350 km (0.088 R)
• M14: 12,832,356 km (0.09 R)
• M15: 13,552,221 km (0.116 R)
• M16: 14,517,127 km (0.042 R)
• M17: 15,816,085 km (0.076 R)
• M18: 16,285,673 km (0.095 R)
• M19: 19,037,376 km (0.075 R)
• M20: 20,662,308 km (0.051 R)
• M21: 21,580,241 km (0.114 R)
• M22: 22,085,732 km (0.076 R)
• M23: 23,045,552 km (0.052 R)
• M24: 23,802,517 km (0.09 R)
• M25: 26,583,392 km (0.097 R)
• M26: 28,871,791 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.6

Radius: 10.2

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.39 AU - 5.95 AU

Year: 7839 Days

Day: 5.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,860,414 km

• M1: 126,859 km (0.079 R)
• M2: 644,318 km (0.067 R)
• M3: 1,179,130 km (0.093 R)
• M4: 2,585,051 km (0.073 R)
• M5: 3,056,284 km (0.082 R)
• M6: 3,861,869 km (0.117 R)
• M7: 4,499,754 km (0.107 R)
• M8: 5,428,009 km (0.086 R)
• M9: 6,919,650 km (0.064 R)
• M10: 8,272,613 km (0.039 R)
• M11: 9,594,609 km (0.11 R)
• M12: 10,133,610 km (0.094 R)
• M13: 11,532,051 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.2

Radius: 5

Gravity: 19.41 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.91 AU - 8.18 AU

Year: 11153 Days

Day: 20.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 70,860,414 km

• M1: 62,532 km (0.052 R)
• M2: 253,718 km (0.082 R)
• M3: 434,881 km (0.101 R)
• M4: 868,715 km (0.116 R)
• M5: 1,193,043 km (0.065 R)
• M6: 1,681,480 km (0.071 R)
• M7: 2,868,988 km (0.064 R)
• M8: 4,243,942 km (0.082 R)
• M9: 4,949,296 km (0.057 R)
• M10: 5,265,247 km (0.081 R)
• M11: 5,428,159 km (0.083 R)
• M12: 6,078,161 km (0.054 R)
• M13: 6,627,036 km (0.071 R)
• M14: 9,391,605 km (0.045 R)
• M15: 10,684,579 km (0.11 R)
• M16: 13,076,350 km (0.102 R)
• M17: 14,175,595 km (0.05 R)
• M18: 15,006,761 km (0.109 R)
• M19: 17,333,756 km (0.073 R)
• M20: 17,695,035 km (0.111 R)
• M21: 17,987,648 km (0.102 R)
• M22: 22,773,882 km (0.109 R)
• M23: 23,207,267 km (0.109 R)
• M24: 23,823,311 km (0.115 R)
• M25: 25,087,862 km (0.079 R)
• M26: 26,778,617 km (0.115 R)
• M27: 30,281,003 km (0.094 R)
• M28: 30,699,727 km (0.068 R)
• M29: 33,851,754 km (0.096 R)
• M30: 38,177,825 km (0.048 R)
• M31: 39,781,215 km (0.115 R)
• M32: 42,595,899 km (0.097 R)
• M33: 42,989,791 km (0.091 R)
• M34: 45,677,615 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.7

Radius: 5

Gravity: 31.51 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.19 AU - 8.43 AU

Year: 14555 Days

Day: 17.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,860,414 km

• M1: 62,382 km (0.074 R)
• M2: 470,186 km (0.117 R)
• M3: 633,697 km (0.101 R)
• M4: 1,033,123 km (0.081 R)
• M5: 1,373,159 km (0.113 R)
• M6: 2,000,273 km (0.069 R)
• M7: 2,484,521 km (0.103 R)
• M8: 3,973,170 km (0.115 R)
• M9: 4,601,182 km (0.038 R)
• M10: 4,904,417 km (0.027 R)
• M11: 5,402,578 km (0.1 R)
• M12: 7,232,608 km (0.086 R)
• M13: 10,208,110 km (0.115 R)
• M14: 16,873,892 km (0.061 R)
• M15: 18,670,712 km (0.107 R)
• M16: 19,096,168 km (0.084 R)
• M17: 19,702,788 km (0.061 R)
• M18: 22,832,375 km (0.107 R)
• M19: 23,812,391 km (0.074 R)
• M20: 25,438,071 km (0.081 R)
• M21: 41,764,135 km (0.065 R)
• M22: 43,227,352 km (0.062 R)
• M23: 45,792,357 km (0.078 R)
• M24: 46,565,778 km (0.113 R)
• M25: 47,347,726 km (0.119 R)
• M26: 49,421,901 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.7

Radius: 4.8

Gravity: 38.05 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.26 AU - 10.3 AU

Year: 15888 Days

Day: 21.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,860,414 km

• M1: 59,989 km (0.105 R)
• M2: 230,082 km (0.059 R)
• M3: 530,175 km (0.099 R)
• M4: 1,126,622 km (0.098 R)
• M5: 1,914,554 km (0.102 R)
• M6: 2,230,803 km (0.057 R)
• M7: 2,604,050 km (0.111 R)
• M8: 2,867,043 km (0.107 R)
• M9: 3,254,053 km (0.111 R)
• M10: 4,163,309 km (0.106 R)
• M11: 4,975,176 km (0.073 R)
• M12: 5,193,589 km (0.084 R)
• M13: 5,418,435 km (0.057 R)
• M14: 7,270,606 km (0.102 R)
• M15: 8,909,750 km (0.118 R)
• M16: 10,072,425 km (0.089 R)
• M17: 20,046,713 km (0.091 R)
• M18: 20,507,325 km (0.084 R)
• M19: 23,217,440 km (0.108 R)
• M20: 26,157,038 km (0.068 R)
• M21: 27,829,393 km (0.101 R)
• M22: 32,635,075 km (0.103 R)
• M23: 33,016,250 km (0.063 R)
• M24: 37,546,971 km (0.109 R)
• M25: 40,105,244 km (0.12 R)
• M26: 40,542,669 km (0.104 R)
• M27: 41,575,492 km (0.114 R)
• M28: 44,002,269 km (0.114 R)
• M29: 45,407,890 km (0.117 R)
• M30: 49,636,274 km (0.118 R)
• M31: 52,538,473 km (0.075 R)
• M32: 57,746,723 km (0.041 R)
• M33: 58,491,122 km (0.11 R)
• M34: 60,570,981 km (0.055 R)
• M35: 60,954,400 km (0.07 R)
• M36: 62,114,233 km (0.11 R)
• M37: 65,278,976 km (0.098 R)
• M38: 68,549,634 km (0.039 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 14,992 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit