🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.7

Radius: 8.2

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.44 AU - 0.7 AU

Year: 287 Days

Day: 12.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,336,810 km

• M1: 106,364 km (0.113 R)
• M2: 453,581 km (0.112 R)
• M3: 709,692 km (0.034 R)
• M4: 1,151,006 km (0.11 R)
• M5: 1,651,710 km (0.097 R)
• M6: 1,916,050 km (0.093 R)
• M7: 3,004,374 km (0.043 R)
• M8: 3,694,020 km (0.052 R)
• M9: 4,163,608 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.8

Radius: 13.8

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.62 AU - 0.76 AU

Year: 382 Days

Day: 6.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,336,810 km

• M1: 171,589 km (0.075 R)
• M2: 614,099 km (0.071 R)
• M3: 1,080,695 km (0.055 R)
• M4: 1,589,477 km (0.12 R)
• M5: 2,043,956 km (0.053 R)
• M6: 2,516,685 km (0.102 R)
• M7: 3,013,799 km (0.1 R)
• M8: 3,565,366 km (0.076 R)
• M9: 4,346,716 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.5

Radius: 11.5

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.62 AU - 3.14 AU

Year: 3259 Days

Day: 9.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,336,810 km

• M1: 143,165 km (0.113 R)
• M2: 639,680 km (0.043 R)
• M3: 1,046,138 km (0.07 R)
• M4: 1,465,311 km (0.066 R)
• M5: 2,317,720 km (0.062 R)
• M6: 2,688,872 km (0.075 R)
• M7: 3,321,372 km (0.073 R)
• M8: 5,185,810 km (0.084 R)
• M9: 6,983,229 km (0.108 R)
• M10: 7,565,613 km (0.091 R)
• M11: 10,184,174 km (0.077 R)
• M12: 13,113,301 km (0.089 R)
• M13: 13,601,438 km (0.105 R)
• M14: 14,718,187 km (0.095 R)
• M15: 15,676,510 km (0.107 R)
• M16: 17,365,620 km (0.101 R)
• M17: 19,360,208 km (0.109 R)
• M18: 20,903,759 km (0.117 R)
• M19: 22,320,302 km (0.105 R)
• M20: 23,513,195 km (0.103 R)
• M21: 23,944,186 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.8

Radius: 14.5

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.99 AU - 3.07 AU

Year: 3517 Days

Day: 14.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,336,810 km

• M1: 180,415 km (0.091 R)
• M2: 676,482 km (0.032 R)
• M3: 1,200,673 km (0.034 R)
• M4: 1,866,832 km (0.093 R)
• M5: 2,462,082 km (0.106 R)
• M6: 3,979,004 km (0.098 R)
• M7: 4,504,242 km (0.049 R)
• M8: 5,328,078 km (0.113 R)
• M9: 5,858,402 km (0.104 R)
• M10: 6,541,316 km (0.041 R)
• M11: 8,343,223 km (0.082 R)
• M12: 8,950,740 km (0.095 R)
• M13: 9,435,138 km (0.117 R)
• M14: 10,702,680 km (0.111 R)
• M15: 11,463,984 km (0.071 R)
• M16: 13,190,194 km (0.1 R)
• M17: 16,425,098 km (0.062 R)
• M18: 19,037,526 km (0.096 R)
• M19: 19,778,484 km (0.075 R)
• M20: 20,602,918 km (0.119 R)
• M21: 21,915,938 km (0.068 R)
• M22: 23,005,909 km (0.079 R)
• M23: 23,705,279 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870

Radius: 12.7

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.67 AU - 3.73 AU

Year: 3817 Days

Day: 7 Hours

Environment

Temp: -216 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,336,810 km

• M1: 157,975 km (0.078 R)
• M2: 577,149 km (0.027 R)
• M3: 1,039,556 km (0.097 R)
• M4: 1,624,782 km (0.095 R)
• M5: 2,503,072 km (0.073 R)
• M6: 3,068,552 km (0.079 R)
• M7: 3,532,305 km (0.09 R)
• M8: 4,043,032 km (0.078 R)
• M9: 5,240,563 km (0.066 R)
• M10: 6,112,419 km (0.098 R)
• M11: 7,719,849 km (0.112 R)
• M12: 8,810,716 km (0.071 R)
• M13: 9,393,400 km (0.084 R)
• M14: 12,996,165 km (0.06 R)
• M15: 14,430,959 km (0.045 R)
• M16: 15,186,727 km (0.108 R)
• M17: 15,798,882 km (0.112 R)
• M18: 16,601,923 km (0.091 R)
• M19: 18,041,354 km (0.119 R)
• M20: 18,476,534 km (0.096 R)
• M21: 19,303,361 km (0.105 R)
• M22: 20,962,402 km (0.108 R)
• M23: 21,374,394 km (0.108 R)
• M24: 23,222,526 km (0.109 R)
• M25: 25,020,842 km (0.074 R)
• M26: 26,032,872 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248.2

Radius: 3.5

Gravity: 20.26 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 9.01 AU - 9.79 AU

Year: 19219 Days

Day: 21 Hours

Environment

Temp: -242 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,336,810 km

• M1: 43,683 km (0.103 R)
• M2: 162,164 km (0.106 R)
• M3: 525,388 km (0.103 R)
• M4: 719,715 km (0.099 R)
• M5: 1,412,353 km (0.112 R)
• M6: 2,306,350 km (0.113 R)
• M7: 2,804,511 km (0.117 R)
• M8: 2,962,487 km (0.086 R)
• M9: 3,925,897 km (0.11 R)
• M10: 5,523,153 km (0.117 R)
• M11: 7,044,713 km (0.075 R)
• M12: 7,210,767 km (0.065 R)
• M13: 21,517,559 km (0.117 R)
• M14: 29,357,535 km (0.104 R)
• M15: 40,608,043 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.9

Radius: 5.7

Gravity: 21.85 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.63 AU - 10.51 AU

Year: 19742 Days

Day: 16 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,336,810 km

• M1: 72,106 km (0.107 R)
• M2: 407,355 km (0.113 R)
• M3: 708,944 km (0.047 R)
• M4: 1,691,802 km (0.058 R)
• M5: 2,477,490 km (0.087 R)
• M6: 4,629,755 km (0.115 R)
• M7: 4,878,985 km (0.106 R)
• M8: 5,443,418 km (0.109 R)
• M9: 6,479,383 km (0.066 R)
• M10: 7,350,043 km (0.098 R)
• M11: 7,788,664 km (0.066 R)
• M12: 8,090,552 km (0.092 R)
• M13: 8,558,045 km (0.095 R)
• M14: 9,209,245 km (0.103 R)
• M15: 9,661,479 km (0.062 R)
• M16: 11,106,744 km (0.057 R)
• M17: 15,105,795 km (0.059 R)
• M18: 15,654,819 km (0.056 R)
• M19: 16,792,660 km (0.068 R)
• M20: 21,404,463 km (0.047 R)
• M21: 22,702,075 km (0.086 R)
• M22: 23,318,418 km (0.097 R)
• M23: 33,286,125 km (0.118 R)
• M24: 35,847,091 km (0.1 R)
• M25: 36,402,398 km (0.052 R)
• M26: 44,312,236 km (0.12 R)
• M27: 45,760,044 km (0.059 R)
• M28: 46,086,018 km (0.113 R)
• M29: 47,906,624 km (0.085 R)
• M30: 52,755,988 km (0.094 R)
• M31: 54,747,286 km (0.073 R)
• M32: 60,236,181 km (0.078 R)
• M33: 61,020,971 km (0.081 R)
• M34: 64,228,200 km (0.091 R)
• M35: 67,546,131 km (0.112 R)
• M36: 71,194,524 km (0.073 R)
• M37: 74,296,137 km (0.075 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 15,557 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit