🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.7

Radius: 12.2

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.95 AU - 1.11 AU

Year: 686 Days

Day: 8 Hours

Environment

Temp: -154 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,281,752 km

• M1: 151,692 km (0.085 R)
• M2: 584,628 km (0.039 R)
• M3: 1,075,908 km (0.069 R)
• M4: 1,905,129 km (0.076 R)
• M5: 2,387,133 km (0.105 R)
• M6: 2,878,113 km (0.086 R)
• M7: 3,303,271 km (0.071 R)
• M8: 4,111,398 km (0.039 R)
• M9: 5,064,636 km (0.076 R)
• M10: 5,727,055 km (0.043 R)
• M11: 6,699,292 km (0.08 R)
• M12: 8,285,777 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.9

Radius: 10.6

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.42 AU - 1.58 AU

Year: 1205 Days

Day: 7.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,281,752 km

• M1: 132,245 km (0.105 R)
• M2: 518,207 km (0.077 R)
• M3: 1,011,880 km (0.091 R)
• M4: 1,478,925 km (0.053 R)
• M5: 2,087,339 km (0.109 R)
• M6: 2,744,373 km (0.104 R)
• M7: 3,209,772 km (0.074 R)
• M8: 3,697,162 km (0.117 R)
• M9: 4,283,286 km (0.094 R)
• M10: 5,229,792 km (0.086 R)
• M11: 7,681,103 km (0.101 R)
• M12: 9,269,533 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.1

Radius: 11.2

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.38 AU - 1.76 AU

Year: 1291 Days

Day: 9 Hours

Environment

Temp: -179 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 83,281,752 km

• M1: 169,345 km (0.105 R)
• M2: 553,512 km (0.117 R)
• M3: 1,593,816 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.5

Radius: 9.3

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.49 AU - 1.91 AU

Year: 1454 Days

Day: 5.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,281,752 km

• M1: 115,639 km (0.115 R)
• M2: 489,335 km (0.104 R)
• M3: 911,649 km (0.108 R)
• M4: 1,262,756 km (0.093 R)
• M5: 1,704,369 km (0.083 R)
• M6: 2,443,382 km (0.031 R)
• M7: 2,972,510 km (0.077 R)
• M8: 3,526,919 km (0.115 R)
• M9: 4,259,351 km (0.031 R)
• M10: 4,563,932 km (0.108 R)
• M11: 5,006,442 km (0.099 R)
• M12: 5,610,818 km (0.111 R)
• M13: 6,360,303 km (0.028 R)
• M14: 7,662,852 km (0.09 R)
• M15: 8,000,345 km (0.064 R)
• M16: 9,072,662 km (0.082 R)
• M17: 10,204,520 km (0.104 R)
• M18: 12,283,481 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.1

Radius: 9.5

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.18 AU - 3.4 AU

Year: 3057 Days

Day: 6.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,281,752 km

• M1: 132,993 km (0.047 R)
• M2: 430,243 km (0.103 R)
• M3: 809,474 km (0.07 R)
• M4: 1,533,977 km (0.061 R)
• M5: 1,971,850 km (0.119 R)
• M6: 2,296,028 km (0.116 R)
• M7: 4,100,926 km (0.049 R)
• M8: 4,471,630 km (0.084 R)
• M9: 6,209,359 km (0.095 R)
• M10: 7,355,279 km (0.096 R)
• M11: 7,963,843 km (0.118 R)
• M12: 8,858,737 km (0.103 R)
• M13: 9,513,976 km (0.059 R)
• M14: 11,181,094 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.2

Radius: 11

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.22 AU - 4.52 AU

Year: 4994 Days

Day: 8.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,281,752 km

• M1: 136,732 km (0.051 R)
• M2: 498,311 km (0.053 R)
• M3: 1,213,688 km (0.116 R)
• M4: 2,138,651 km (0.114 R)
• M5: 3,009,161 km (0.11 R)
• M6: 3,396,620 km (0.078 R)
• M7: 5,469,149 km (0.069 R)
• M8: 5,861,993 km (0.107 R)
• M9: 6,437,346 km (0.048 R)
• M10: 7,516,246 km (0.046 R)
• M11: 9,207,300 km (0.066 R)
• M12: 9,896,946 km (0.109 R)
• M13: 10,528,399 km (0.093 R)
• M14: 12,072,698 km (0.118 R)
• M15: 14,549,889 km (0.116 R)
• M16: 15,907,639 km (0.106 R)
• M17: 16,586,066 km (0.081 R)
• M18: 16,964,249 km (0.057 R)
• M19: 19,494,398 km (0.116 R)
• M20: 25,792,318 km (0.096 R)
• M21: 26,215,232 km (0.085 R)
• M22: 26,814,970 km (0.1 R)
• M23: 27,511,647 km (0.116 R)
• M24: 30,796,966 km (0.118 R)
• M25: 31,850,883 km (0.11 R)
• M26: 33,226,585 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.8

Radius: 3.4

Gravity: 16.68 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 7.39 AU - 9.61 AU

Year: 16257 Days

Day: 20.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,281,752 km

• M1: 121,025 km (0.094 R)
• M2: 230,231 km (0.101 R)
• M3: 455,675 km (0.083 R)
• M4: 619,934 km (0.092 R)
• M5: 1,793,230 km (0.044 R)
• M6: 1,999,824 km (0.118 R)
• M7: 2,204,624 km (0.117 R)
• M8: 2,385,637 km (0.069 R)
• M9: 2,777,733 km (0.105 R)
• M10: 3,917,519 km (0.119 R)
• M11: 4,662,966 km (0.099 R)
• M12: 8,333,948 km (0.074 R)
• M13: 10,184,174 km (0.072 R)
• M14: 10,483,370 km (0.104 R)
• M15: 11,523,225 km (0.115 R)
• M16: 12,290,811 km (0.102 R)
• M17: 12,801,987 km (0.116 R)
• M18: 13,564,937 km (0.066 R)
• M19: 14,110,670 km (0.086 R)
• M20: 14,233,938 km (0.099 R)
• M21: 16,372,290 km (0.111 R)
• M22: 20,238,946 km (0.117 R)
• M23: 21,030,917 km (0.091 R)
• M24: 26,035,265 km (0.074 R)
• M25: 26,407,166 km (0.085 R)
• M26: 26,688,260 km (0.061 R)
• M27: 27,256,433 km (0.04 R)
• M28: 31,357,210 km (0.094 R)
• M29: 31,672,412 km (0.102 R)
• M30: 33,171,682 km (0.096 R)
• M31: 38,549,726 km (0.061 R)
• M32: 39,032,628 km (0.106 R)
• M33: 43,041,402 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.5

Radius: 5.5

Gravity: 26.33 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 6.61 AU - 10.51 AU

Year: 16429 Days

Day: 20 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 83,281,752 km

• M1: 70,161 km (0.07 R)
• M2: 264,938 km (0.1 R)
• M3: 463,753 km (0.097 R)
• M4: 708,496 km (0.094 R)
• M5: 1,607,429 km (0.089 R)
• M6: 2,280,769 km (0.116 R)
• M7: 3,477,702 km (0.07 R)
• M8: 3,765,678 km (0.115 R)
• M9: 4,830,216 km (0.091 R)
• M10: 5,262,853 km (0.069 R)
• M11: 5,603,936 km (0.065 R)
• M12: 5,879,346 km (0.108 R)
• M13: 6,414,757 km (0.114 R)
• M14: 9,926,567 km (0.058 R)
• M15: 11,860,867 km (0.102 R)
• M16: 12,054,148 km (0.061 R)
• M17: 12,513,413 km (0.1 R)
• M18: 13,747,895 km (0.081 R)
• M19: 15,061,514 km (0.111 R)
• M20: 16,060,678 km (0.03 R)
• M21: 16,376,928 km (0.034 R)
• M22: 16,858,932 km (0.116 R)
• M23: 18,447,661 km (0.065 R)
• M24: 18,620,447 km (0.106 R)
• M25: 22,406,769 km (0.098 R)
• M26: 27,907,184 km (0.111 R)
• M27: 30,003,050 km (0.071 R)
• M28: 30,482,511 km (0.069 R)
• M29: 33,339,830 km (0.108 R)
• M30: 34,504,898 km (0.073 R)
• M31: 38,867,172 km (0.115 R)
• M32: 41,772,213 km (0.072 R)
• M33: 47,037,460 km (0.1 R)
• M34: 56,099,950 km (0.075 R)
• M35: 60,180,082 km (0.085 R)
• M36: 61,326,301 km (0.059 R)
• M37: 65,452,509 km (0.07 R)
• M38: 66,461,547 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742.2

Radius: 4.4

Gravity: 38.34 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.44 AU - 12.36 AU

Year: 22002 Days

Day: 20 Hours

Environment

Temp: -222 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 83,281,752 km

• M1: 56,398 km (0.062 R)
• M2: 268,678 km (0.102 R)
• M3: 1,370,765 km (0.06 R)
• M4: 1,921,136 km (0.113 R)
• M5: 6,265,009 km (0.072 R)
• M6: 14,205,963 km (0.12 R)
• M7: 15,630,584 km (0.119 R)
• M8: 16,631,543 km (0.111 R)
• M9: 18,212,194 km (0.108 R)
• M10: 18,945,673 km (0.104 R)
• M11: 19,794,192 km (0.091 R)
• M12: 20,865,462 km (0.12 R)
• M13: 21,164,060 km (0.072 R)
• M14: 25,424,158 km (0.116 R)
• M15: 32,431,472 km (0.052 R)
• M16: 34,192,089 km (0.099 R)
• M17: 40,314,681 km (0.116 R)
• M18: 40,777,986 km (0.091 R)
• M19: 41,088,850 km (0.118 R)
• M20: 41,715,366 km (0.035 R)
• M21: 43,632,912 km (0.073 R)
• M22: 48,857,019 km (0.079 R)
• M23: 50,448,292 km (0.076 R)
• M24: 54,482,797 km (0.092 R)
• M25: 55,049,174 km (0.096 R)
• M26: 62,359,573 km (0.107 R)
• M27: 66,138,864 km (0.082 R)
• M28: 67,431,839 km (0.117 R)
• M29: 69,845,750 km (0.113 R)
• M30: 82,783,423 km (0.115 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 19,333 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit