🌌 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: 405.4

Radius: 8.2

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.55 AU - 0.61 AU

Year: 305 Days

Day: 12.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,148,892 km

• M1: 102,026 km (0.096 R)
• M2: 443,707 km (0.053 R)
• M3: 770,279 km (0.111 R)
• M4: 1,118,992 km (0.116 R)
• M5: 1,448,257 km (0.103 R)
• M6: 1,781,411 km (0.09 R)
• M7: 2,195,947 km (0.095 R)
• M8: 3,169,231 km (0.117 R)
• M9: 3,713,767 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909

Radius: 12.3

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.47 AU - 0.69 AU

Year: 305 Days

Day: 9.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,148,892 km

• M1: 153,039 km (0.066 R)
• M2: 577,897 km (0.118 R)
• M3: 1,224,907 km (0.113 R)
• M4: 1,693,747 km (0.095 R)
• M5: 2,274,037 km (0.058 R)
• M6: 3,281,429 km (0.113 R)
• M7: 4,062,330 km (0.067 R)
• M8: 4,649,053 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.1

Radius: 13.1

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.55 AU - 0.75 AU

Year: 362 Days

Day: 12.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,148,892 km

• M1: 162,912 km (0.028 R)
• M2: 1,166,265 km (0.113 R)
• M3: 1,759,421 km (0.104 R)
• M4: 2,367,985 km (0.111 R)
• M5: 2,858,516 km (0.072 R)
• M6: 3,761,938 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.8

Radius: 9.2

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.91 AU - 0.91 AU

Year: 599 Days

Day: 6 Hours

Environment

Temp: -164 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,148,892 km

• M1: 115,190 km (0.09 R)
• M2: 425,606 km (0.062 R)
• M3: 733,179 km (0.059 R)
• M4: 1,139,038 km (0.119 R)
• M5: 1,435,392 km (0.098 R)
• M6: 1,871,918 km (0.108 R)
• M7: 2,318,767 km (0.082 R)
• M8: 2,634,718 km (0.114 R)
• M9: 3,329,899 km (0.076 R)
• M10: 4,058,291 km (0.099 R)
• M11: 4,550,169 km (0.12 R)
• M12: 5,847,332 km (0.082 R)
• M13: 6,193,053 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.4

Radius: 10.4

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.96 AU - 1.26 AU

Year: 807 Days

Day: 7.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,148,892 km

• M1: 129,402 km (0.065 R)
• M2: 489,484 km (0.07 R)
• M3: 1,006,345 km (0.085 R)
• M4: 1,879,248 km (0.091 R)
• M5: 2,453,854 km (0.072 R)
• M6: 2,820,219 km (0.095 R)
• M7: 3,739,498 km (0.119 R)
• M8: 4,377,234 km (0.056 R)
• M9: 5,546,640 km (0.074 R)
• M10: 5,930,957 km (0.118 R)
• M11: 6,730,857 km (0.098 R)
• M12: 7,310,998 km (0.098 R)
• M13: 9,169,452 km (0.057 R)
• M14: 9,564,540 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557

Radius: 12.2

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.98 AU - 1.46 AU

Year: 930 Days

Day: 7.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,148,892 km

• M1: 188,793 km (0.11 R)
• M2: 699,968 km (0.115 R)
• M3: 1,144,424 km (0.086 R)
• M4: 2,212,104 km (0.075 R)
• M5: 3,106,250 km (0.061 R)
• M6: 3,551,304 km (0.116 R)
• M7: 4,132,641 km (0.109 R)
• M8: 4,707,546 km (0.061 R)
• M9: 5,937,240 km (0.078 R)
• M10: 8,996,068 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.4

Radius: 3.6

Gravity: 40.39 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.94 AU - 7.38 AU

Year: 11864 Days

Day: 19.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,148,892 km

• M1: 49,816 km (0.105 R)
• M2: 492,626 km (0.067 R)
• M3: 723,007 km (0.09 R)
• M4: 1,667,567 km (0.077 R)
• M5: 1,808,040 km (0.09 R)
• M6: 2,715,800 km (0.108 R)
• M7: 3,256,147 km (0.075 R)
• M8: 6,785,610 km (0.07 R)
• M9: 7,727,777 km (0.068 R)
• M10: 10,963,878 km (0.098 R)
• M11: 12,489,328 km (0.108 R)
• M12: 15,884,152 km (0.063 R)
• M13: 19,210,162 km (0.1 R)
• M14: 25,544,435 km (0.057 R)
• M15: 28,814,943 km (0.117 R)
• M16: 31,252,491 km (0.1 R)
• M17: 41,188,333 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.2

Radius: 6.6

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.77 AU - 11.35 AU

Year: 22025 Days

Day: 17.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,148,892 km

• M1: 92,003 km (0.115 R)
• M2: 336,296 km (0.089 R)
• M3: 560,394 km (0.08 R)
• M4: 1,601,445 km (0.113 R)
• M5: 1,863,241 km (0.12 R)
• M6: 2,211,206 km (0.063 R)
• M7: 3,086,204 km (0.114 R)
• M8: 4,480,307 km (0.109 R)
• M9: 5,175,189 km (0.106 R)
• M10: 7,736,603 km (0.092 R)
• M11: 8,107,008 km (0.102 R)
• M12: 8,635,387 km (0.066 R)
• M13: 10,138,547 km (0.03 R)
• M14: 10,470,056 km (0.071 R)
• M15: 12,052,203 km (0.087 R)
• M16: 12,613,195 km (0.102 R)
• M17: 13,191,391 km (0.117 R)
• M18: 23,919,652 km (0.097 R)
• M19: 26,849,975 km (0.111 R)
• M20: 42,090,259 km (0.043 R)
• M21: 43,090,470 km (0.109 R)
• M22: 49,268,862 km (0.057 R)
• M23: 58,979,709 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.9

Radius: 3.4

Gravity: 36.84 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 8.76 AU - 11.62 AU

Year: 22453 Days

Day: 18.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 70,148,892 km

• M1: 42,785 km (0.099 R)
• M2: 169,644 km (0.109 R)
• M3: 345,870 km (0.067 R)
• M4: 471,981 km (0.12 R)
• M5: 664,065 km (0.114 R)
• M6: 1,124,677 km (0.072 R)
• M7: 2,339,561 km (0.087 R)
• M8: 2,971,463 km (0.118 R)
• M9: 3,395,572 km (0.112 R)
• M10: 3,564,618 km (0.117 R)
• M11: 3,768,969 km (0.066 R)
• M12: 4,428,845 km (0.118 R)
• M13: 4,874,048 km (0.116 R)
• M14: 5,052,967 km (0.111 R)
• M15: 6,430,764 km (0.077 R)
• M16: 7,274,645 km (0.074 R)
• M17: 7,699,054 km (0.116 R)
• M18: 10,538,721 km (0.114 R)
• M19: 13,025,487 km (0.061 R)
• M20: 18,942,082 km (0.115 R)
• M21: 20,659,167 km (0.116 R)
• M22: 25,028,322 km (0.104 R)
• M23: 25,560,741 km (0.082 R)
• M24: 28,107,046 km (0.08 R)
• M25: 33,696,920 km (0.061 R)
• M26: 35,802,361 km (0.12 R)
• M27: 36,750,512 km (0.084 R)
• M28: 41,892,191 km (0.054 R)
• M29: 47,817,912 km (0.099 R)
• M30: 48,472,403 km (0.113 R)
• M31: 49,465,284 km (0.034 R)
• M32: 52,351,775 km (0.117 R)
• M33: 57,900,809 km (0.084 R)
• M34: 63,631,753 km (0.035 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: 166 - 17,851 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit