🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.6

Radius: 13.7

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.49 AU - 0.59 AU

Year: 274 Days

Day: 5.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,173,412 km

• M1: 170,392 km (0.056 R)
• M2: 634,594 km (0.085 R)
• M3: 1,517,521 km (0.073 R)
• M4: 1,986,809 km (0.09 R)
• M5: 2,881,704 km (0.088 R)
• M6: 3,488,922 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.8

Radius: 14.1

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.62 AU - 0.78 AU

Year: 404 Days

Day: 12.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,173,412 km

• M1: 175,329 km (0.073 R)
• M2: 623,225 km (0.099 R)
• M3: 1,063,641 km (0.063 R)
• M4: 1,704,668 km (0.115 R)
• M5: 2,463,428 km (0.106 R)
• M6: 3,162,200 km (0.082 R)
• M7: 3,872,939 km (0.045 R)
• M8: 4,658,926 km (0.067 R)
• M9: 5,401,381 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.7

Radius: 12.1

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.68 AU - 0.84 AU

Year: 457 Days

Day: 12.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,173,412 km

• M1: 150,495 km (0.034 R)
• M2: 721,660 km (0.095 R)
• M3: 1,127,370 km (0.1 R)
• M4: 1,516,025 km (0.117 R)
• M5: 2,680,943 km (0.107 R)
• M6: 3,090,842 km (0.116 R)
• M7: 4,095,092 km (0.089 R)
• M8: 4,519,950 km (0.083 R)
• M9: 4,990,585 km (0.092 R)
• M10: 5,829,829 km (0.091 R)
• M11: 6,465,919 km (0.101 R)
• M12: 6,861,306 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.7

Radius: 8.7

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.04 AU - 1.5 AU

Year: 988 Days

Day: 10.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,173,412 km

• M1: 108,458 km (0.066 R)
• M2: 419,622 km (0.106 R)
• M3: 878,588 km (0.025 R)
• M4: 1,314,367 km (0.1 R)
• M5: 1,617,303 km (0.087 R)
• M6: 2,267,754 km (0.039 R)
• M7: 2,975,950 km (0.058 R)
• M8: 3,247,171 km (0.103 R)
• M9: 3,731,120 km (0.12 R)
• M10: 4,015,057 km (0.052 R)
• M11: 4,398,776 km (0.091 R)
• M12: 4,843,530 km (0.11 R)
• M13: 5,259,412 km (0.104 R)
• M14: 5,927,965 km (0.109 R)
• M15: 6,929,224 km (0.108 R)
• M16: 7,214,357 km (0.071 R)
• M17: 8,013,509 km (0.114 R)
• M18: 8,354,443 km (0.118 R)
• M19: 9,263,848 km (0.032 R)
• M20: 9,786,842 km (0.108 R)
• M21: 10,268,248 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.2

Radius: 8.3

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.77 AU - 2.67 AU

Year: 2283 Days

Day: 7.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,173,412 km

• M1: 103,223 km (0.099 R)
• M2: 684,709 km (0.078 R)
• M3: 1,500,766 km (0.103 R)
• M4: 2,055,475 km (0.12 R)
• M5: 2,653,417 km (0.1 R)
• M6: 3,406,044 km (0.094 R)
• M7: 3,912,284 km (0.095 R)
• M8: 5,652,107 km (0.087 R)
• M9: 6,750,155 km (0.1 R)
• M10: 7,081,664 km (0.093 R)
• M11: 9,805,243 km (0.107 R)
• M12: 10,200,181 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.4

Radius: 10.2

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.28 AU - 3.16 AU

Year: 3096 Days

Day: 9 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,173,412 km

• M1: 127,158 km (0.067 R)
• M2: 624,721 km (0.058 R)
• M3: 1,627,176 km (0.072 R)
• M4: 2,052,932 km (0.12 R)
• M5: 2,491,553 km (0.093 R)
• M6: 2,840,265 km (0.062 R)
• M7: 3,637,023 km (0.075 R)
• M8: 4,763,196 km (0.082 R)
• M9: 5,329,873 km (0.093 R)
• M10: 6,364,043 km (0.114 R)
• M11: 6,777,083 km (0.083 R)
• M12: 7,591,793 km (0.095 R)
• M13: 8,056,893 km (0.078 R)
• M14: 8,611,601 km (0.11 R)
• M15: 9,007,437 km (0.118 R)
• M16: 11,907,243 km (0.119 R)
• M17: 12,998,260 km (0.081 R)
• M18: 13,471,887 km (0.072 R)
• M19: 14,757,830 km (0.107 R)
• M20: 16,286,571 km (0.07 R)
• M21: 16,781,740 km (0.09 R)
• M22: 17,400,626 km (0.078 R)
• M23: 17,744,551 km (0.066 R)
• M24: 18,505,406 km (0.116 R)
• M25: 21,438,272 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.3

Radius: 11.7

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.85 AU - 4.73 AU

Year: 6133 Days

Day: 8.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,173,412 km

• M1: 145,559 km (0.107 R)
• M2: 535,860 km (0.072 R)
• M3: 1,907,522 km (0.099 R)
• M4: 2,442,784 km (0.101 R)
• M5: 3,769,567 km (0.076 R)
• M6: 4,401,768 km (0.101 R)
• M7: 4,871,206 km (0.106 R)
• M8: 6,588,889 km (0.093 R)
• M9: 8,721,556 km (0.093 R)
• M10: 10,393,312 km (0.1 R)
• M11: 11,381,107 km (0.048 R)
• M12: 12,322,825 km (0.059 R)
• M13: 16,159,263 km (0.093 R)
• M14: 17,213,329 km (0.116 R)
• M15: 23,678,351 km (0.091 R)
• M16: 24,182,047 km (0.077 R)
• M17: 25,210,832 km (0.091 R)
• M18: 25,735,920 km (0.049 R)
• M19: 26,717,881 km (0.093 R)
• M20: 31,397,152 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.4

Radius: 12.7

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.57 AU - 5.64 AU

Year: 6810 Days

Day: 7.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 139.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,173,412 km

• M1: 157,975 km (0.104 R)
• M2: 673,789 km (0.089 R)
• M3: 1,087,577 km (0.107 R)
• M4: 1,482,964 km (0.115 R)
• M5: 2,639,654 km (0.111 R)
• M6: 3,339,623 km (0.043 R)
• M7: 4,877,639 km (0.089 R)
• M8: 5,327,330 km (0.082 R)
• M9: 5,908,667 km (0.107 R)
• M10: 7,626,799 km (0.12 R)
• M11: 8,234,615 km (0.077 R)
• M12: 9,693,493 km (0.065 R)
• M13: 10,445,971 km (0.054 R)
• M14: 11,237,044 km (0.084 R)
• M15: 13,711,842 km (0.027 R)
• M16: 14,419,140 km (0.094 R)
• M17: 15,101,307 km (0.117 R)
• M18: 17,549,625 km (0.08 R)
• M19: 19,419,599 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.8

Radius: 5.8

Gravity: 22.05 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 6.29 AU - 9.29 AU

Year: 15008 Days

Day: 19 Hours

Environment

Temp: -232 °C

Axial Tilt: 152.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 58,173,412 km

• M1: 72,106 km (0.091 R)
• M2: 302,936 km (0.116 R)
• M3: 1,019,958 km (0.083 R)
• M4: 1,231,190 km (0.12 R)
• M5: 1,517,521 km (0.098 R)
• M6: 1,829,732 km (0.064 R)
• M7: 2,284,659 km (0.092 R)
• M8: 2,582,957 km (0.092 R)
• M9: 3,580,775 km (0.095 R)
• M10: 3,954,321 km (0.113 R)
• M11: 4,227,935 km (0.092 R)
• M12: 5,089,918 km (0.065 R)
• M13: 6,469,061 km (0.057 R)
• M14: 7,889,193 km (0.099 R)
• M15: 8,274,258 km (0.047 R)
• M16: 9,030,176 km (0.056 R)
• M17: 9,996,878 km (0.112 R)
• M18: 10,620,551 km (0.098 R)
• M19: 12,324,770 km (0.04 R)
• M20: 13,648,263 km (0.113 R)
• M21: 13,854,708 km (0.086 R)
• M22: 17,447,001 km (0.07 R)
• M23: 18,349,824 km (0.075 R)
• M24: 19,111,278 km (0.084 R)
• M25: 23,630,330 km (0.079 R)
• M26: 23,828,547 km (0.095 R)
• M27: 28,813,298 km (0.072 R)
• M28: 31,607,936 km (0.072 R)
• M29: 37,324,968 km (0.065 R)
• M30: 43,843,695 km (0.101 R)
• M31: 45,660,860 km (0.051 R)
• M32: 48,800,321 km (0.115 R)
• M33: 49,283,223 km (0.09 R)
• M34: 50,751,377 km (0.119 R)
• M35: 52,416,401 km (0.062 R)
• M36: 62,229,872 km (0.038 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.6

Radius: 4.6

Gravity: 22.85 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.78 AU - 8.42 AU

Year: 15913 Days

Day: 21.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 58,173,412 km

• M1: 57,296 km (0.114 R)
• M2: 203,453 km (0.12 R)
• M3: 396,135 km (0.1 R)
• M4: 595,400 km (0.113 R)
• M5: 954,434 km (0.116 R)
• M6: 1,519,017 km (0.098 R)
• M7: 2,033,933 km (0.114 R)
• M8: 4,393,689 km (0.043 R)
• M9: 5,041,598 km (0.08 R)
• M10: 5,213,037 km (0.103 R)
• M11: 5,862,890 km (0.081 R)
• M12: 7,766,373 km (0.097 R)
• M13: 8,041,634 km (0.081 R)
• M14: 8,371,048 km (0.076 R)
• M15: 9,310,523 km (0.085 R)
• M16: 11,573,190 km (0.109 R)
• M17: 12,990,630 km (0.111 R)
• M18: 13,774,374 km (0.061 R)
• M19: 14,519,969 km (0.05 R)
• M20: 16,017,444 km (0.072 R)
• M21: 18,170,008 km (0.115 R)
• M22: 18,736,834 km (0.097 R)
• M23: 21,122,471 km (0.105 R)
• M24: 22,295,767 km (0.065 R)
• M25: 23,227,463 km (0.114 R)
• M26: 27,319,414 km (0.071 R)
• M27: 29,590,160 km (0.063 R)
• M28: 32,217,996 km (0.106 R)
• M29: 37,280,837 km (0.113 R)
• M30: 45,164,196 km (0.118 R)
• M31: 45,755,706 km (0.115 R)
• M32: 46,502,498 km (0.083 R)
• M33: 48,327,592 km (0.072 R)
• M34: 53,591,941 km (0.095 R)
• M35: 55,597,151 km (0.115 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 12,717 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit