🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.9

Radius: 13.9

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.62 AU - 0.68 AU

Year: 355 Days

Day: 14.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,326,232 km

• M1: 173,833 km (0.087 R)
• M2: 627,413 km (0.119 R)
• M3: 1,109,119 km (0.06 R)
• M4: 1,555,818 km (0.11 R)
• M5: 2,074,174 km (0.099 R)
• M6: 2,690,069 km (0.106 R)
• M7: 3,200,347 km (0.101 R)
• M8: 3,708,082 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.8

Radius: 8.2

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.66 AU - 0.76 AU

Year: 406 Days

Day: 11.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,326,232 km

• M1: 102,175 km (0.042 R)
• M2: 530,025 km (0.089 R)
• M3: 801,545 km (0.111 R)
• M4: 1,060,051 km (0.072 R)
• M5: 1,404,574 km (0.077 R)
• M6: 1,699,282 km (0.114 R)
• M7: 2,035,429 km (0.075 R)
• M8: 2,591,484 km (0.106 R)
• M9: 3,039,380 km (0.095 R)
• M10: 3,460,498 km (0.107 R)
• M11: 3,836,737 km (0.11 R)
• M12: 4,227,337 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.8

Radius: 12.5

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.81 AU - 0.99 AU

Year: 579 Days

Day: 14.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,326,232 km

• M1: 156,031 km (0.115 R)
• M2: 593,904 km (0.103 R)
• M3: 1,149,211 km (0.116 R)
• M4: 1,581,100 km (0.111 R)
• M5: 2,212,403 km (0.112 R)
• M6: 2,670,621 km (0.103 R)
• M7: 3,145,146 km (0.1 R)
• M8: 3,560,130 km (0.119 R)
• M9: 3,970,327 km (0.108 R)
• M10: 4,668,501 km (0.1 R)
• M11: 5,178,330 km (0.109 R)
• M12: 5,567,584 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101

Radius: 12.3

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.95 AU - 1.09 AU

Year: 699 Days

Day: 7.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 82,326,232 km

• M1: 153,039 km (0.047 R)
• M2: 588,668 km (0.065 R)
• M3: 1,070,373 km (0.119 R)
• M4: 1,679,984 km (0.11 R)
• M5: 2,462,381 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.7

Radius: 10

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.59 AU - 1.69 AU

Year: 1424 Days

Day: 8.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,326,232 km

• M1: 150,495 km (0.101 R)
• M2: 467,194 km (0.086 R)
• M3: 851,511 km (0.079 R)
• M4: 1,316,910 km (0.093 R)
• M5: 1,643,333 km (0.093 R)
• M6: 2,044,105 km (0.113 R)
• M7: 2,442,335 km (0.118 R)
• M8: 2,768,608 km (0.061 R)
• M9: 3,084,558 km (0.097 R)
• M10: 3,524,526 km (0.1 R)
• M11: 3,835,689 km (0.097 R)
• M12: 4,899,779 km (0.116 R)
• M13: 5,539,908 km (0.099 R)
• M14: 6,066,343 km (0.088 R)
• M15: 6,384,837 km (0.096 R)
• M16: 7,009,707 km (0.09 R)
• M17: 7,480,642 km (0.08 R)
• M18: 7,972,519 km (0.084 R)
• M19: 9,664,471 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.3

Radius: 6

Gravity: 21.51 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.22 AU - 8.96 AU

Year: 15607 Days

Day: 16 Hours

Environment

Temp: -225 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,326,232 km

• M1: 74,799 km (0.028 R)
• M2: 274,961 km (0.078 R)
• M3: 1,025,643 km (0.046 R)
• M4: 2,016,280 km (0.072 R)
• M5: 2,212,253 km (0.084 R)
• M6: 3,613,387 km (0.092 R)
• M7: 4,241,848 km (0.063 R)
• M8: 5,988,104 km (0.064 R)
• M9: 6,189,761 km (0.084 R)
• M10: 6,395,907 km (0.118 R)
• M11: 6,606,541 km (0.098 R)
• M12: 7,449,824 km (0.107 R)
• M13: 7,730,470 km (0.119 R)
• M14: 8,513,465 km (0.058 R)
• M15: 8,768,530 km (0.09 R)
• M16: 9,134,446 km (0.059 R)
• M17: 10,759,378 km (0.106 R)
• M18: 11,986,380 km (0.096 R)
• M19: 12,502,343 km (0.08 R)
• M20: 14,569,636 km (0.03 R)
• M21: 15,157,256 km (0.078 R)
• M22: 17,095,297 km (0.05 R)
• M23: 17,583,883 km (0.104 R)
• M24: 20,621,468 km (0.081 R)
• M25: 22,797,519 km (0.082 R)
• M26: 27,488,908 km (0.091 R)
• M27: 30,354,455 km (0.074 R)
• M28: 34,433,241 km (0.051 R)
• M29: 35,474,442 km (0.078 R)
• M30: 38,723,409 km (0.119 R)
• M31: 40,419,998 km (0.106 R)
• M32: 43,657,895 km (0.101 R)
• M33: 44,112,373 km (0.097 R)
• M34: 53,531,803 km (0.068 R)
• M35: 57,066,950 km (0.077 R)
• M36: 60,378,897 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 819

Radius: 6

Gravity: 22.75 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 7.82 AU - 11.64 AU

Year: 20585 Days

Day: 19.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 82,326,232 km

• M1: 74,799 km (0.071 R)
• M2: 638,783 km (0.113 R)
• M3: 1,344,436 km (0.064 R)
• M4: 1,822,850 km (0.041 R)
• M5: 2,101,401 km (0.109 R)
• M6: 3,250,762 km (0.028 R)
• M7: 5,458,078 km (0.12 R)
• M8: 5,660,933 km (0.096 R)
• M9: 7,569,802 km (0.09 R)
• M10: 10,417,846 km (0.036 R)
• M11: 11,706,632 km (0.032 R)
• M12: 13,684,764 km (0.109 R)
• M13: 13,984,409 km (0.064 R)
• M14: 14,211,947 km (0.077 R)
• M15: 17,487,991 km (0.084 R)
• M16: 18,019,213 km (0.079 R)
• M17: 18,928,469 km (0.06 R)
• M18: 19,963,387 km (0.114 R)
• M19: 20,543,677 km (0.111 R)
• M20: 21,234,670 km (0.07 R)
• M21: 21,737,618 km (0.093 R)
• M22: 22,043,246 km (0.089 R)
• M23: 22,767,450 km (0.038 R)
• M24: 25,035,054 km (0.12 R)
• M25: 27,925,734 km (0.049 R)
• M26: 28,529,361 km (0.118 R)
• M27: 29,762,796 km (0.071 R)
• M28: 32,203,634 km (0.093 R)
• M29: 33,001,290 km (0.093 R)
• M30: 34,635,946 km (0.094 R)
• M31: 37,042,976 km (0.104 R)
• M32: 44,765,068 km (0.099 R)
• M33: 45,758,099 km (0.093 R)
• M34: 54,988,138 km (0.085 R)
• M35: 57,864,157 km (0.093 R)
• M36: 61,041,018 km (0.09 R)
• M37: 62,261,587 km (0.083 R)
• M38: 71,041,486 km (0.06 R)
• M39: 78,919,758 km (0.063 R)
• M40: 79,641,718 km (0.208 R)
• M41: 80,368,015 km (0.106 R)
• M42: 82,326,251 km (0.085 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: 326 - 12,360 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit