🌌 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: 80.9

Radius: 9.6

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.45 AU - 0.73 AU

Year: 313 Days

Day: 9.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,972,924 km

• M1: 119,379 km (0.057 R)
• M2: 477,965 km (0.092 R)
• M3: 925,712 km (0.031 R)
• M4: 1,275,023 km (0.059 R)
• M5: 1,755,980 km (0.093 R)
• M6: 2,067,143 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.6

Radius: 14.3

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.65 AU - 0.65 AU

Year: 362 Days

Day: 9.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,972,924 km

• M1: 177,872 km (0.108 R)
• M2: 743,501 km (0.034 R)
• M3: 1,319,603 km (0.09 R)
• M4: 2,075,072 km (0.066 R)
• M5: 3,024,420 km (0.064 R)
• M6: 3,692,375 km (0.028 R)
• M7: 4,144,459 km (0.115 R)
• M8: 4,957,225 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.3

Radius: 12.2

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.63 AU - 0.71 AU

Year: 379 Days

Day: 11.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,972,924 km

• M1: 151,842 km (0.082 R)
• M2: 547,678 km (0.107 R)
• M3: 951,442 km (0.032 R)
• M4: 1,346,381 km (0.091 R)
• M5: 1,853,667 km (0.06 R)
• M6: 2,249,503 km (0.114 R)
• M7: 2,642,497 km (0.081 R)
• M8: 3,070,646 km (0.113 R)
• M9: 3,557,437 km (0.118 R)
• M10: 4,356,739 km (0.106 R)
• M11: 4,989,388 km (0.078 R)
• M12: 5,582,095 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.3

Radius: 10.3

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.74 AU - 0.74 AU

Year: 439 Days

Day: 6.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 105.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,972,924 km

• M1: 128,056 km (0.117 R)
• M2: 484,248 km (0.114 R)
• M3: 815,159 km (0.109 R)
• M4: 1,193,193 km (0.12 R)
• M5: 1,539,512 km (0.113 R)
• M6: 1,921,136 km (0.064 R)
• M7: 2,385,039 km (0.077 R)
• M8: 2,966,376 km (0.09 R)
• M9: 3,344,560 km (0.081 R)
• M10: 3,716,310 km (0.101 R)
• M11: 4,297,498 km (0.059 R)
• M12: 5,762,061 km (0.034 R)

Asteroid Belt

Center: 1.56 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.8

Radius: 11.7

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.96 AU - 2.8 AU

Year: 2534 Days

Day: 10.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,972,924 km

• M1: 145,559 km (0.081 R)
• M2: 566,228 km (0.11 R)
• M3: 1,445,415 km (0.079 R)
• M4: 1,989,951 km (0.066 R)
• M5: 3,202,890 km (0.11 R)
• M6: 5,029,630 km (0.095 R)
• M7: 5,957,436 km (0.108 R)
• M8: 6,613,423 km (0.062 R)
• M9: 7,167,533 km (0.103 R)
• M10: 9,609,270 km (0.108 R)
• M11: 10,038,316 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.4

Radius: 10.9

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.6 AU - 4.7 AU

Year: 5836 Days

Day: 7.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,972,924 km

• M1: 135,536 km (0.034 R)
• M2: 692,638 km (0.108 R)
• M3: 1,438,234 km (0.118 R)
• M4: 2,056,522 km (0.116 R)
• M5: 2,405,085 km (0.049 R)
• M6: 3,057,182 km (0.043 R)
• M7: 3,435,216 km (0.081 R)
• M8: 4,402,516 km (0.106 R)
• M9: 5,116,397 km (0.11 R)
• M10: 6,964,379 km (0.112 R)
• M11: 7,968,779 km (0.114 R)
• M12: 12,582,378 km (0.079 R)
• M13: 14,960,984 km (0.078 R)
• M14: 16,627,355 km (0.109 R)
• M15: 22,225,756 km (0.073 R)
• M16: 23,291,042 km (0.038 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.7

Radius: 14.8

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.22 AU - 5.16 AU

Year: 7011 Days

Day: 6.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,972,924 km

• M1: 184,155 km (0.043 R)
• M2: 1,366,277 km (0.093 R)
• M3: 3,132,879 km (0.074 R)
• M4: 4,044,827 km (0.105 R)
• M5: 4,550,169 km (0.088 R)
• M6: 5,157,835 km (0.038 R)
• M7: 6,086,240 km (0.044 R)
• M8: 8,109,701 km (0.101 R)
• M9: 9,006,989 km (0.091 R)
• M10: 11,619,566 km (0.116 R)
• M11: 13,387,214 km (0.09 R)
• M12: 14,335,665 km (0.04 R)
• M13: 15,712,264 km (0.08 R)
• M14: 16,835,146 km (0.076 R)
• M15: 19,763,225 km (0.095 R)
• M16: 22,436,838 km (0.112 R)
• M17: 22,932,456 km (0.083 R)
• M18: 24,290,356 km (0.085 R)
• M19: 25,881,180 km (0.11 R)
• M20: 26,794,475 km (0.074 R)
• M21: 27,634,766 km (0.079 R)
• M22: 32,626,697 km (0.106 R)
• M23: 33,908,601 km (0.081 R)
• M24: 35,669,667 km (0.03 R)
• M25: 36,459,095 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.2

Radius: 13.5

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.6 AU - 6 AU

Year: 8422 Days

Day: 12.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,972,924 km

• M1: 168,148 km (0.063 R)
• M2: 607,218 km (0.074 R)
• M3: 1,092,513 km (0.075 R)
• M4: 1,517,820 km (0.12 R)
• M5: 2,300,815 km (0.048 R)
• M6: 3,931,881 km (0.1 R)
• M7: 5,158,135 km (0.066 R)
• M8: 6,045,699 km (0.098 R)
• M9: 6,860,858 km (0.1 R)
• M10: 9,158,980 km (0.08 R)
• M11: 11,393,823 km (0.113 R)
• M12: 13,751,934 km (0.118 R)
• M13: 14,700,534 km (0.103 R)
• M14: 15,632,828 km (0.092 R)
• M15: 17,744,701 km (0.077 R)
• M16: 19,900,107 km (0.113 R)
• M17: 21,259,653 km (0.118 R)
• M18: 21,701,714 km (0.115 R)
• M19: 22,300,555 km (0.078 R)
• M20: 22,910,316 km (0.102 R)
• M21: 24,887,999 km (0.109 R)
• M22: 30,933,997 km (0.117 R)
• M23: 32,366,995 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.3

Radius: 5.9

Gravity: 16.01 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.2 AU - 7.04 AU

Year: 10451 Days

Day: 25 Hours

Environment

Temp: -227 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,972,924 km

• M1: 98,735 km (0.096 R)
• M2: 295,456 km (0.09 R)
• M3: 511,774 km (0.053 R)
• M4: 1,149,660 km (0.074 R)
• M5: 1,365,978 km (0.102 R)
• M6: 1,787,545 km (0.047 R)
• M7: 2,441,736 km (0.11 R)
• M8: 5,552,774 km (0.047 R)
• M9: 6,321,108 km (0.082 R)
• M10: 6,655,011 km (0.12 R)
• M11: 8,638,679 km (0.084 R)
• M12: 9,050,073 km (0.062 R)
• M13: 13,481,611 km (0.066 R)
• M14: 13,849,023 km (0.095 R)
• M15: 16,820,037 km (0.059 R)
• M16: 24,433,521 km (0.098 R)
• M17: 26,001,606 km (0.115 R)
• M18: 26,190,398 km (0.11 R)
• M19: 31,748,259 km (0.071 R)
• M20: 35,899,300 km (0.047 R)
• M21: 36,250,855 km (0.097 R)
• M22: 36,960,996 km (0.118 R)
• M23: 38,043,487 km (0.055 R)
• M24: 40,145,636 km (0.098 R)
• M25: 41,161,106 km (0.108 R)
• M26: 43,508,446 km (0.114 R)
• M27: 44,041,912 km (0.083 R)
• M28: 44,986,024 km (0.098 R)
• M29: 45,258,143 km (0.049 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.7

Radius: 5.4

Gravity: 33.32 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.04 AU - 8.74 AU

Year: 13867 Days

Day: 19.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,972,924 km

• M1: 68,965 km (0.065 R)
• M2: 341,233 km (0.077 R)
• M3: 635,193 km (0.049 R)
• M4: 969,095 km (0.063 R)
• M5: 1,256,772 km (0.032 R)
• M6: 1,535,921 km (0.055 R)
• M7: 2,673,613 km (0.038 R)
• M8: 3,293,996 km (0.095 R)
• M9: 3,652,133 km (0.096 R)
• M10: 6,042,856 km (0.1 R)
• M11: 7,794,797 km (0.083 R)
• M12: 8,890,153 km (0.1 R)
• M13: 9,099,889 km (0.064 R)
• M14: 11,259,484 km (0.117 R)
• M15: 11,691,373 km (0.077 R)
• M16: 12,134,482 km (0.109 R)
• M17: 12,392,538 km (0.109 R)
• M18: 16,480,150 km (0.075 R)
• M19: 17,117,437 km (0.111 R)
• M20: 19,041,116 km (0.049 R)
• M21: 19,214,949 km (0.091 R)
• M22: 24,216,455 km (0.104 R)
• M23: 27,510,001 km (0.109 R)
• M24: 27,955,653 km (0.064 R)
• M25: 30,492,983 km (0.041 R)
• M26: 32,804,419 km (0.061 R)
• M27: 35,229,999 km (0.098 R)
• M28: 36,153,018 km (0.099 R)
• M29: 36,419,602 km (0.089 R)
• M30: 37,092,044 km (0.104 R)
• M31: 40,291,643 km (0.11 R)
• M32: 45,042,572 km (0.113 R)
• M33: 56,708,962 km (0.083 R)
• M34: 58,891,895 km (0.068 R)
• M35: 59,261,102 km (0.1 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 19,161 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit