🌌 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: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.8

Radius: 14.5

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.45 AU - 0.71 AU

Year: 295 Days

Day: 7.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 81 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 79,723,947 km

• M1: 180,415 km (0.104 R)
• M2: 669,450 km (0.111 R)
• M3: 1,369,718 km (0.067 R)
• M4: 2,209,561 km (0.1 R)
• M5: 3,704,492 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.6

Radius: 8.9

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.26 AU - 3.32 AU

Year: 3979 Days

Day: 10.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,723,947 km

• M1: 110,702 km (0.063 R)
• M2: 464,801 km (0.084 R)
• M3: 816,505 km (0.064 R)
• M4: 1,469,649 km (0.084 R)
• M5: 1,783,805 km (0.103 R)
• M6: 2,422,738 km (0.039 R)
• M7: 3,106,250 km (0.062 R)
• M8: 3,538,588 km (0.095 R)
• M9: 4,807,926 km (0.098 R)
• M10: 5,244,453 km (0.117 R)
• M11: 5,884,432 km (0.055 R)
• M12: 7,439,053 km (0.109 R)
• M13: 7,929,435 km (0.101 R)
• M14: 9,460,270 km (0.105 R)
• M15: 10,183,875 km (0.113 R)
• M16: 12,070,454 km (0.111 R)
• M17: 13,857,400 km (0.104 R)
• M18: 17,893,551 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242

Radius: 12.7

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3 AU - 4.5 AU

Year: 4843 Days

Day: 7.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,723,947 km

• M1: 157,975 km (0.07 R)
• M2: 570,716 km (0.066 R)
• M3: 1,039,406 km (0.116 R)
• M4: 1,829,881 km (0.052 R)
• M5: 2,538,526 km (0.05 R)
• M6: 3,819,383 km (0.089 R)
• M7: 5,879,346 km (0.116 R)
• M8: 6,765,265 km (0.09 R)
• M9: 8,093,394 km (0.106 R)
• M10: 8,664,110 km (0.116 R)
• M11: 12,101,570 km (0.107 R)
• M12: 14,242,166 km (0.113 R)
• M13: 20,340,972 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.4

Radius: 8.9

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.39 AU - 4.45 AU

Year: 6197 Days

Day: 11.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,723,947 km

• M1: 111,002 km (0.119 R)
• M2: 462,706 km (0.078 R)
• M3: 1,490,444 km (0.12 R)
• M4: 1,794,127 km (0.071 R)
• M5: 2,124,290 km (0.096 R)
• M6: 2,598,515 km (0.072 R)
• M7: 3,625,355 km (0.082 R)
• M8: 4,661,619 km (0.115 R)
• M9: 6,007,701 km (0.12 R)
• M10: 6,389,475 km (0.11 R)
• M11: 6,855,173 km (0.116 R)
• M12: 7,523,277 km (0.059 R)
• M13: 10,728,262 km (0.115 R)
• M14: 11,007,262 km (0.102 R)
• M15: 11,628,392 km (0.044 R)
• M16: 12,424,702 km (0.078 R)
• M17: 12,993,024 km (0.077 R)
• M18: 13,578,550 km (0.087 R)
• M19: 17,984,058 km (0.114 R)
• M20: 19,526,860 km (0.098 R)
• M21: 19,803,916 km (0.103 R)
• M22: 20,579,281 km (0.118 R)
• M23: 21,228,686 km (0.084 R)
• M24: 24,281,081 km (0.105 R)
• M25: 25,087,563 km (0.112 R)
• M26: 27,010,195 km (0.111 R)
• M27: 31,430,064 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.6

Radius: 4.8

Gravity: 28.8 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.18 AU - 7.92 AU

Year: 12483 Days

Day: 21.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 79,723,947 km

• M1: 59,839 km (0.094 R)
• M2: 213,626 km (0.075 R)
• M3: 374,743 km (0.102 R)
• M4: 772,523 km (0.102 R)
• M5: 2,051,585 km (0.037 R)
• M6: 2,334,774 km (0.104 R)
• M7: 2,496,340 km (0.065 R)
• M8: 2,797,031 km (0.052 R)
• M9: 3,872,939 km (0.057 R)
• M10: 5,511,186 km (0.057 R)
• M11: 6,058,415 km (0.085 R)
• M12: 6,884,344 km (0.101 R)
• M13: 7,693,968 km (0.077 R)
• M14: 8,470,531 km (0.119 R)
• M15: 8,951,039 km (0.079 R)
• M16: 10,018,869 km (0.097 R)
• M17: 10,721,081 km (0.062 R)
• M18: 13,663,372 km (0.051 R)
• M19: 14,323,547 km (0.088 R)
• M20: 15,353,529 km (0.057 R)
• M21: 16,951,982 km (0.12 R)
• M22: 19,061,162 km (0.059 R)
• M23: 19,552,591 km (0.118 R)
• M24: 20,136,472 km (0.052 R)
• M25: 21,077,442 km (0.103 R)
• M26: 21,868,815 km (0.092 R)
• M27: 23,417,303 km (0.069 R)
• M28: 24,649,840 km (0.096 R)
• M29: 25,825,230 km (0.114 R)
• M30: 26,225,255 km (0.1 R)
• M31: 30,233,281 km (0.112 R)
• M32: 32,151,574 km (0.035 R)
• M33: 32,614,430 km (0.109 R)
• M34: 34,995,579 km (0.117 R)
• M35: 36,603,906 km (0.08 R)
• M36: 38,390,404 km (0.118 R)
• M37: 39,967,166 km (0.04 R)
• M38: 44,382,247 km (0.099 R)
• M39: 53,192,814 km (0.103 R)
• M40: 54,165,649 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.9

Radius: 6.4

Gravity: 20.7 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.27 AU - 11.57 AU

Year: 19280 Days

Day: 15.7 Hours

Environment

Temp: -245 °C

Axial Tilt: 162.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,723,947 km

• M1: 80,035 km (0.083 R)
• M2: 279,898 km (0.105 R)
• M3: 661,073 km (0.102 R)
• M4: 1,086,978 km (0.1 R)
• M5: 2,361,552 km (0.078 R)
• M6: 2,788,504 km (0.118 R)
• M7: 3,378,668 km (0.073 R)
• M8: 5,100,689 km (0.093 R)
• M9: 5,528,689 km (0.109 R)
• M10: 5,772,084 km (0.063 R)
• M11: 6,590,235 km (0.078 R)
• M12: 6,956,899 km (0.112 R)
• M13: 7,933,474 km (0.084 R)
• M14: 8,139,171 km (0.077 R)
• M15: 8,723,501 km (0.036 R)
• M16: 9,165,712 km (0.106 R)
• M17: 9,857,004 km (0.106 R)
• M18: 11,342,959 km (0.107 R)
• M19: 12,760,549 km (0.062 R)
• M20: 13,917,090 km (0.08 R)
• M21: 21,550,620 km (0.073 R)
• M22: 24,033,646 km (0.092 R)
• M23: 26,129,961 km (0.095 R)
• M24: 27,280,668 km (0.099 R)
• M25: 32,222,783 km (0.066 R)
• M26: 36,298,427 km (0.067 R)
• M27: 42,562,838 km (0.045 R)
• M28: 43,832,475 km (0.038 R)
• M29: 44,315,078 km (0.104 R)
• M30: 55,660,581 km (0.094 R)
• M31: 57,369,587 km (0.11 R)
• M32: 57,754,053 km (0.073 R)
• M33: 60,097,205 km (0.081 R)
• M34: 64,556,268 km (0.095 R)
• M35: 66,230,867 km (0.043 R)
• M36: 78,535,292 km (0.177 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 15,629 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit