🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.3

Radius: 8.4

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.79 AU - 1.09 AU

Year: 588 Days

Day: 14.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,075,407 km

• M1: 111,750 km (0.083 R)
• M2: 338,989 km (0.038 R)
• M3: 626,067 km (0.072 R)
• M4: 793,467 km (0.085 R)
• M5: 1,034,469 km (0.103 R)
• M6: 1,215,184 km (0.08 R)
• M7: 1,535,622 km (0.111 R)
• M8: 1,794,726 km (0.061 R)
• M9: 1,957,039 km (0.111 R)
• M10: 2,220,631 km (0.083 R)
• M11: 2,915,064 km (0.087 R)
• M12: 3,180,301 km (0.065 R)
• M13: 3,592,892 km (0.068 R)
• M14: 3,801,132 km (0.069 R)
• M15: 4,145,207 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.6

Radius: 9.9

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.08 AU - 1.38 AU

Year: 881 Days

Day: 11.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,075,407 km

• M1: 152,590 km (0.088 R)
• M2: 395,537 km (0.056 R)
• M3: 679,174 km (0.072 R)
• M4: 990,338 km (0.041 R)
• M5: 1,242,261 km (0.098 R)
• M6: 1,542,504 km (0.058 R)
• M7: 1,851,124 km (0.079 R)
• M8: 2,347,490 km (0.08 R)
• M9: 2,591,783 km (0.114 R)
• M10: 2,917,906 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.5

Radius: 14.8

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.3 AU - 2.1 AU

Year: 1431 Days

Day: 8.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,075,407 km

• M1: 200,461 km (0.102 R)
• M2: 512,971 km (0.047 R)
• M3: 884,722 km (0.068 R)
• M4: 1,295,667 km (0.118 R)
• M5: 1,819,110 km (0.12 R)
• M6: 2,432,611 km (0.099 R)
• M7: 2,950,968 km (0.111 R)
• M8: 3,280,083 km (0.089 R)
• M9: 3,966,139 km (0.056 R)
• M10: 4,248,430 km (0.119 R)
• M11: 4,525,784 km (0.049 R)
• M12: 5,124,026 km (0.108 R)
• M13: 5,527,791 km (0.117 R)
• M14: 6,154,456 km (0.11 R)
• M15: 7,169,029 km (0.08 R)
• M16: 7,764,877 km (0.086 R)
• M17: 8,081,875 km (0.097 R)
• M18: 8,569,714 km (0.058 R)
• M19: 9,808,833 km (0.109 R)
• M20: 10,301,160 km (0.074 R)
• M21: 10,666,927 km (0.092 R)
• M22: 12,071,950 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.2

Radius: 12

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.06 AU - 3.54 AU

Year: 3871 Days

Day: 13.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,075,407 km

• M1: 149,747 km (0.105 R)
• M2: 430,094 km (0.12 R)
• M3: 851,212 km (0.103 R)
• M4: 1,451,847 km (0.054 R)
• M5: 1,689,259 km (0.112 R)
• M6: 1,946,418 km (0.074 R)
• M7: 2,882,003 km (0.106 R)
• M8: 3,497,149 km (0.113 R)
• M9: 3,924,401 km (0.085 R)
• M10: 4,266,232 km (0.051 R)
• M11: 4,954,382 km (0.064 R)
• M12: 5,318,503 km (0.072 R)
• M13: 7,682,150 km (0.107 R)
• M14: 8,110,748 km (0.111 R)
• M15: 8,446,445 km (0.116 R)
• M16: 9,412,399 km (0.063 R)
• M17: 9,690,052 km (0.073 R)
• M18: 9,943,621 km (0.079 R)
• M19: 11,412,223 km (0.089 R)
• M20: 12,693,080 km (0.057 R)
• M21: 13,277,260 km (0.115 R)
• M22: 15,746,672 km (0.094 R)
• M23: 16,653,833 km (0.078 R)
• M24: 16,912,338 km (0.08 R)
• M25: 17,776,266 km (0.079 R)
• M26: 18,622,841 km (0.1 R)
• M27: 20,294,148 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.2

Radius: 11.2

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.7 AU - 4.08 AU

Year: 4954 Days

Day: 14.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 44,075,407 km

• M1: 139,276 km (0.083 R)
• M2: 454,478 km (0.037 R)
• M3: 885,320 km (0.087 R)
• M4: 1,375,852 km (0.115 R)
• M5: 2,019,272 km (0.076 R)
• M6: 2,994,052 km (0.115 R)
• M7: 3,708,980 km (0.108 R)
• M8: 3,979,004 km (0.106 R)
• M9: 4,280,893 km (0.12 R)
• M10: 4,662,816 km (0.034 R)
• M11: 5,182,070 km (0.109 R)
• M12: 5,704,167 km (0.119 R)
• M13: 6,251,845 km (0.084 R)
• M14: 6,631,225 km (0.099 R)
• M15: 6,993,700 km (0.08 R)
• M16: 7,482,736 km (0.077 R)
• M17: 8,731,130 km (0.069 R)
• M18: 9,975,784 km (0.09 R)
• M19: 14,787,450 km (0.028 R)
• M20: 15,161,744 km (0.069 R)
• M21: 16,269,367 km (0.084 R)
• M22: 18,929,067 km (0.12 R)
• M23: 19,352,579 km (0.063 R)
• M24: 20,165,494 km (0.119 R)
• M25: 20,651,537 km (0.108 R)
• M26: 21,741,358 km (0.083 R)
• M27: 22,347,678 km (0.048 R)
• M28: 22,756,678 km (0.076 R)
• M29: 24,164,245 km (0.053 R)
• M30: 24,376,375 km (0.09 R)
• M31: 25,288,323 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248

Radius: 9.9

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.14 AU - 5.2 AU

Year: 5498 Days

Day: 7.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,075,407 km

• M1: 143,614 km (0.076 R)
• M2: 766,839 km (0.111 R)
• M3: 1,226,852 km (0.117 R)
• M4: 1,458,729 km (0.072 R)
• M5: 2,148,225 km (0.091 R)
• M6: 2,806,157 km (0.093 R)
• M7: 8,553,258 km (0.089 R)
• M8: 9,347,623 km (0.104 R)
• M9: 10,886,387 km (0.068 R)
• M10: 11,945,240 km (0.094 R)
• M11: 12,309,212 km (0.078 R)
• M12: 13,574,062 km (0.111 R)
• M13: 14,319,658 km (0.081 R)
• M14: 14,754,838 km (0.12 R)
• M15: 16,252,612 km (0.077 R)
• M16: 17,743,055 km (0.098 R)
• M17: 19,090,932 km (0.095 R)
• M18: 19,719,991 km (0.085 R)
• M19: 19,931,971 km (0.108 R)
• M20: 21,096,292 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.5

Radius: 4.8

Gravity: 31.45 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.34 AU - 8.42 AU

Year: 11652 Days

Day: 20.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 44,075,407 km

• M1: 67,469 km (0.1 R)
• M2: 799,152 km (0.114 R)
• M3: 1,566,140 km (0.109 R)
• M4: 2,992,257 km (0.08 R)
• M5: 3,328,553 km (0.075 R)
• M6: 3,435,814 km (0.076 R)
• M7: 4,571,262 km (0.096 R)
• M8: 6,085,641 km (0.03 R)
• M9: 6,194,399 km (0.092 R)
• M10: 6,489,107 km (0.111 R)
• M11: 7,655,970 km (0.032 R)
• M12: 8,317,941 km (0.031 R)
• M13: 8,616,239 km (0.07 R)
• M14: 10,565,050 km (0.096 R)
• M15: 10,756,536 km (0.054 R)
• M16: 11,992,214 km (0.077 R)
• M17: 13,029,376 km (0.092 R)
• M18: 13,564,039 km (0.113 R)
• M19: 13,890,162 km (0.104 R)
• M20: 14,330,878 km (0.056 R)
• M21: 22,602,144 km (0.081 R)
• M22: 24,308,158 km (0.04 R)
• M23: 25,926,807 km (0.095 R)
• M24: 26,528,340 km (0.077 R)
• M25: 31,672,113 km (0.117 R)
• M26: 35,325,892 km (0.051 R)
• M27: 35,675,801 km (0.072 R)
• M28: 37,182,850 km (0.107 R)
• M29: 37,362,068 km (0.085 R)
• M30: 39,179,234 km (0.117 R)
• M31: 40,664,142 km (0.094 R)
• M32: 42,272,020 km (0.115 R)
• M33: 44,203,777 km (0.117 R)
• M34: 46,980,613 km (0.055 R)
• M35: 50,466,542 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.1

Radius: 6.2

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7.03 AU - 8.77 AU

Year: 14337 Days

Day: 16.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 44,075,407 km

• M1: 77,193 km (0.08 R)
• M2: 220,058 km (0.09 R)
• M3: 482,603 km (0.115 R)
• M4: 867,069 km (0.103 R)
• M5: 2,073,277 km (0.091 R)
• M6: 2,384,440 km (0.113 R)
• M7: 3,625,804 km (0.096 R)
• M8: 5,842,844 km (0.072 R)
• M9: 5,970,900 km (0.045 R)
• M10: 6,264,411 km (0.107 R)
• M11: 6,497,484 km (0.061 R)
• M12: 7,875,430 km (0.106 R)
• M13: 8,364,466 km (0.026 R)
• M14: 9,226,000 km (0.105 R)
• M15: 9,713,839 km (0.05 R)
• M16: 10,555,027 km (0.081 R)
• M17: 11,120,657 km (0.103 R)
• M18: 13,386,616 km (0.109 R)
• M19: 13,874,903 km (0.075 R)
• M20: 14,272,086 km (0.073 R)
• M21: 15,705,981 km (0.119 R)
• M22: 16,448,884 km (0.113 R)
• M23: 17,706,703 km (0.11 R)
• M24: 19,184,730 km (0.037 R)
• M25: 20,481,744 km (0.065 R)
• M26: 25,223,697 km (0.095 R)
• M27: 25,825,978 km (0.089 R)
• M28: 30,387,516 km (0.063 R)
• M29: 31,196,242 km (0.11 R)
• M30: 37,479,353 km (0.093 R)
• M31: 38,295,110 km (0.105 R)
• M32: 40,204,727 km (0.116 R)
• M33: 41,049,357 km (0.07 R)
• M34: 42,074,700 km (0.063 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 13,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit