🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.6

Radius: 10.5

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.58 AU - 0.6 AU

Year: 302 Days

Day: 7.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,621,840 km

• M1: 131,796 km (0.12 R)
• M2: 473,627 km (0.054 R)
• M3: 819,946 km (0.104 R)
• M4: 1,179,729 km (0.093 R)
• M5: 1,634,506 km (0.105 R)
• M6: 2,143,737 km (0.052 R)
• M7: 2,738,389 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.1

Radius: 12.2

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.89 AU - 0.95 AU

Year: 588 Days

Day: 10.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,621,840 km

• M1: 151,692 km (0.082 R)
• M2: 637,287 km (0.077 R)
• M3: 1,101,340 km (0.103 R)
• M4: 1,520,812 km (0.095 R)
• M5: 2,194,002 km (0.111 R)
• M6: 2,642,946 km (0.113 R)
• M7: 3,582,271 km (0.107 R)
• M8: 4,050,063 km (0.108 R)
• M9: 4,716,222 km (0.102 R)
• M10: 5,401,381 km (0.075 R)
• M11: 6,152,063 km (0.057 R)
• M12: 6,562,859 km (0.054 R)
• M13: 7,224,081 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.1

Radius: 11.5

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.22 AU - 1.74 AU

Year: 1201 Days

Day: 13.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,621,840 km

• M1: 143,016 km (0.084 R)
• M2: 526,734 km (0.106 R)
• M3: 931,995 km (0.115 R)
• M4: 1,373,308 km (0.065 R)
• M5: 1,741,020 km (0.045 R)
• M6: 2,154,808 km (0.043 R)
• M7: 2,971,463 km (0.1 R)
• M8: 3,451,971 km (0.112 R)
• M9: 3,873,238 km (0.107 R)
• M10: 4,345,818 km (0.103 R)
• M11: 5,041,897 km (0.043 R)
• M12: 6,256,632 km (0.051 R)
• M13: 6,679,395 km (0.078 R)
• M14: 7,361,562 km (0.068 R)
• M15: 8,782,442 km (0.076 R)
• M16: 9,199,970 km (0.027 R)
• M17: 9,601,640 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.5

Radius: 13.6

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.73 AU - 2.43 AU

Year: 2000 Days

Day: 6.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,621,840 km

• M1: 169,195 km (0.065 R)
• M2: 912,846 km (0.083 R)
• M3: 1,675,347 km (0.07 R)
• M4: 2,373,520 km (0.113 R)
• M5: 2,863,752 km (0.094 R)
• M6: 3,504,929 km (0.103 R)
• M7: 4,089,258 km (0.112 R)
• M8: 6,118,703 km (0.1 R)
• M9: 6,625,540 km (0.112 R)
• M10: 7,608,847 km (0.078 R)
• M11: 9,361,984 km (0.112 R)
• M12: 9,899,340 km (0.106 R)
• M13: 10,852,877 km (0.082 R)
• M14: 12,100,373 km (0.117 R)
• M15: 13,148,905 km (0.077 R)
• M16: 13,653,050 km (0.112 R)
• M17: 15,565,958 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.9

Radius: 11

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.13 AU - 3.97 AU

Year: 4460 Days

Day: 8.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,621,840 km

• M1: 136,882 km (0.086 R)
• M2: 482,603 km (0.103 R)
• M3: 847,023 km (0.047 R)
• M4: 1,274,275 km (0.117 R)
• M5: 2,030,492 km (0.094 R)
• M6: 2,486,167 km (0.105 R)
• M7: 3,064,064 km (0.058 R)
• M8: 3,424,744 km (0.056 R)
• M9: 3,878,175 km (0.108 R)
• M10: 5,594,212 km (0.118 R)
• M11: 6,651,570 km (0.116 R)
• M12: 7,227,971 km (0.079 R)
• M13: 8,298,493 km (0.097 R)
• M14: 8,853,202 km (0.119 R)
• M15: 9,471,789 km (0.09 R)
• M16: 10,202,126 km (0.11 R)
• M17: 10,795,730 km (0.034 R)
• M18: 11,637,966 km (0.1 R)
• M19: 12,428,142 km (0.091 R)
• M20: 13,303,589 km (0.036 R)
• M21: 13,909,610 km (0.104 R)
• M22: 14,323,697 km (0.094 R)
• M23: 15,014,390 km (0.094 R)
• M24: 22,475,883 km (0.082 R)
• M25: 23,408,626 km (0.12 R)
• M26: 25,351,154 km (0.119 R)
• M27: 26,283,000 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.1

Radius: 14.3

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.34 AU - 3.84 AU

Year: 4536 Days

Day: 12.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,621,840 km

• M1: 178,021 km (0.057 R)
• M2: 952,639 km (0.094 R)
• M3: 1,993,242 km (0.112 R)
• M4: 3,640,015 km (0.083 R)
• M5: 5,095,004 km (0.087 R)
• M6: 9,956,037 km (0.097 R)
• M7: 11,385,894 km (0.109 R)
• M8: 12,625,312 km (0.119 R)
• M9: 17,334,354 km (0.11 R)
• M10: 18,732,645 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.3

Radius: 14.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.27 AU - 5.01 AU

Year: 6665 Days

Day: 11 Hours

Environment

Temp: -224 °C

Axial Tilt: 54.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,621,840 km

• M1: 182,809 km (0.088 R)
• M2: 669,600 km (0.11 R)
• M3: 1,164,320 km (0.088 R)
• M4: 1,876,406 km (0.052 R)
• M5: 2,334,774 km (0.053 R)
• M6: 2,921,796 km (0.094 R)
• M7: 3,923,055 km (0.063 R)
• M8: 4,397,579 km (0.101 R)
• M9: 5,169,055 km (0.089 R)
• M10: 5,941,878 km (0.102 R)
• M11: 6,886,439 km (0.082 R)
• M12: 7,581,770 km (0.051 R)
• M13: 8,581,233 km (0.108 R)
• M14: 14,145,077 km (0.096 R)
• M15: 15,771,206 km (0.034 R)
• M16: 16,282,681 km (0.107 R)
• M17: 19,135,512 km (0.098 R)
• M18: 20,046,115 km (0.074 R)
• M19: 21,190,538 km (0.117 R)
• M20: 22,952,053 km (0.084 R)
• M21: 23,757,339 km (0.028 R)
• M22: 26,128,465 km (0.098 R)
• M23: 26,925,822 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590

Radius: 6.2

Gravity: 15.35 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 7.95 AU - 9.55 AU

Year: 17260 Days

Day: 16.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,621,840 km

• M1: 77,342 km (0.102 R)
• M2: 276,906 km (0.078 R)
• M3: 533,765 km (0.098 R)
• M4: 823,686 km (0.088 R)
• M5: 1,692,251 km (0.025 R)
• M6: 2,768,608 km (0.114 R)
• M7: 3,702,099 km (0.115 R)
• M8: 3,965,092 km (0.077 R)
• M9: 4,795,809 km (0.037 R)
• M10: 5,584,638 km (0.1 R)
• M11: 6,170,164 km (0.106 R)
• M12: 7,190,721 km (0.099 R)
• M13: 8,123,613 km (0.092 R)
• M14: 10,398,099 km (0.101 R)
• M15: 10,745,914 km (0.111 R)
• M16: 14,736,138 km (0.11 R)
• M17: 15,101,307 km (0.067 R)
• M18: 15,397,810 km (0.086 R)
• M19: 16,002,484 km (0.108 R)
• M20: 17,502,053 km (0.065 R)
• M21: 22,849,280 km (0.067 R)
• M22: 25,158,323 km (0.036 R)
• M23: 27,070,483 km (0.083 R)
• M24: 28,623,159 km (0.105 R)
• M25: 30,351,613 km (0.103 R)
• M26: 30,587,080 km (0.108 R)
• M27: 31,181,432 km (0.051 R)
• M28: 32,639,263 km (0.111 R)
• M29: 34,910,309 km (0.089 R)
• M30: 43,387,571 km (0.074 R)
• M31: 46,128,503 km (0.1 R)
• M32: 51,784,649 km (0.082 R)
• M33: 55,742,859 km (0.114 R)
• M34: 56,096,210 km (0.095 R)
• M35: 57,345,053 km (0.087 R)
• M36: 65,033,635 km (0.087 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 14,666 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit