🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.6

Radius: 12.1

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.86 AU - 1.02 AU

Year: 641 Days

Day: 7.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 86,813,062 km

• M1: 158,574 km (0.083 R)
• M2: 681,867 km (0.084 R)
• M3: 1,760,767 km (0.078 R)
• M4: 2,269,400 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.1

Radius: 9

Gravity: 11.68 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.94 AU - 1.24 AU

Year: 800 Days

Day: 8.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,813,062 km

• M1: 115,490 km (0.056 R)
• M2: 398,230 km (0.092 R)
• M3: 767,587 km (0.094 R)
• M4: 1,680,582 km (0.026 R)
• M5: 2,458,491 km (0.11 R)
• M6: 3,261,234 km (0.092 R)
• M7: 3,603,962 km (0.061 R)
• M8: 4,761,700 km (0.117 R)
• M9: 6,023,708 km (0.092 R)
• M10: 6,541,915 km (0.111 R)
• M11: 7,374,577 km (0.067 R)
• M12: 8,146,801 km (0.103 R)
• M13: 9,418,832 km (0.032 R)
• M14: 9,880,790 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.5

Radius: 8.4

Gravity: 13.67 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.1 AU - 1.32 AU

Year: 936 Days

Day: 8.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,813,062 km

• M1: 104,569 km (0.079 R)
• M2: 543,190 km (0.083 R)
• M3: 1,235,828 km (0.093 R)
• M4: 1,718,880 km (0.098 R)
• M5: 2,438,146 km (0.072 R)
• M6: 2,756,490 km (0.087 R)
• M7: 4,676,130 km (0.108 R)
• M8: 5,053,266 km (0.089 R)
• M9: 7,862,415 km (0.089 R)
• M10: 8,314,949 km (0.116 R)
• M11: 8,926,355 km (0.106 R)
• M12: 10,363,991 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.2

Radius: 14

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.33 AU - 1.93 AU

Year: 1463 Days

Day: 11.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 135 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,813,062 km

• M1: 174,132 km (0.119 R)
• M2: 793,766 km (0.106 R)
• M3: 1,403,078 km (0.111 R)
• M4: 2,627,836 km (0.104 R)
• M5: 4,304,978 km (0.097 R)
• M6: 4,796,108 km (0.105 R)
• M7: 5,725,709 km (0.094 R)
• M8: 6,795,334 km (0.115 R)
• M9: 8,282,037 km (0.08 R)
• M10: 9,102,282 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.4

Radius: 9.8

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.84 AU - 3.22 AU

Year: 3707 Days

Day: 12.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 86,813,062 km

• M1: 181,013 km (0.083 R)
• M2: 675,135 km (0.12 R)
• M3: 1,441,824 km (0.109 R)
• M4: 3,562,972 km (0.091 R)
• M5: 4,078,337 km (0.117 R)
• M6: 6,676,852 km (0.114 R)
• M7: 7,383,104 km (0.064 R)

Asteroid Belt

Center: 3.34 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.6

Radius: 14.8

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3 AU - 4.28 AU

Year: 4882 Days

Day: 9.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 109 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,813,062 km

• M1: 186,549 km (0.114 R)
• M2: 652,546 km (0.044 R)
• M3: 1,262,008 km (0.03 R)
• M4: 2,491,702 km (0.065 R)
• M5: 4,055,000 km (0.084 R)
• M6: 8,022,186 km (0.046 R)
• M7: 8,494,317 km (0.109 R)
• M8: 9,494,827 km (0.083 R)
• M9: 10,139,744 km (0.084 R)
• M10: 11,816,287 km (0.032 R)
• M11: 12,608,109 km (0.096 R)
• M12: 13,294,763 km (0.053 R)
• M13: 15,197,498 km (0.097 R)
• M14: 15,870,539 km (0.083 R)
• M15: 18,181,377 km (0.078 R)
• M16: 20,272,157 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.3

Radius: 13.2

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.17 AU - 4.97 AU

Year: 5772 Days

Day: 10.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,813,062 km

• M1: 169,494 km (0.109 R)
• M2: 778,059 km (0.117 R)
• M3: 1,209,349 km (0.083 R)
• M4: 1,702,424 km (0.074 R)
• M5: 2,314,578 km (0.098 R)
• M6: 3,129,139 km (0.11 R)
• M7: 3,713,618 km (0.108 R)
• M8: 4,320,985 km (0.049 R)
• M9: 5,735,582 km (0.087 R)
• M10: 8,063,924 km (0.111 R)
• M11: 9,292,571 km (0.111 R)
• M12: 12,419,914 km (0.119 R)
• M13: 15,300,421 km (0.052 R)
• M14: 16,865,066 km (0.1 R)
• M15: 17,494,424 km (0.078 R)
• M16: 19,408,678 km (0.046 R)
• M17: 21,023,288 km (0.115 R)
• M18: 21,605,373 km (0.11 R)
• M19: 22,801,707 km (0.12 R)
• M20: 23,338,913 km (0.116 R)
• M21: 23,805,958 km (0.058 R)
• M22: 24,279,435 km (0.114 R)
• M23: 29,545,729 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.5

Radius: 14.7

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.16 AU - 5.78 AU

Year: 7788 Days

Day: 9.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 86,813,062 km

• M1: 183,407 km (0.088 R)
• M2: 709,842 km (0.039 R)
• M3: 1,999,974 km (0.081 R)
• M4: 2,597,767 km (0.118 R)
• M5: 4,318,143 km (0.11 R)
• M6: 5,328,676 km (0.12 R)
• M7: 6,598,912 km (0.115 R)
• M8: 9,921,780 km (0.068 R)
• M9: 12,215,863 km (0.108 R)
• M10: 15,158,303 km (0.05 R)
• M11: 15,734,255 km (0.052 R)
• M12: 16,998,208 km (0.115 R)
• M13: 17,480,511 km (0.041 R)
• M14: 19,353,028 km (0.095 R)
• M15: 20,647,498 km (0.108 R)
• M16: 24,092,587 km (0.107 R)
• M17: 25,770,477 km (0.105 R)
• M18: 28,287,013 km (0.089 R)
• M19: 29,753,969 km (0.118 R)
• M20: 31,168,268 km (0.118 R)
• M21: 32,839,126 km (0.117 R)
• M22: 34,899,837 km (0.08 R)
• M23: 39,879,950 km (0.082 R)
• M24: 40,365,993 km (0.104 R)
• M25: 41,474,214 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.6

Radius: 3.9

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.76 AU - 10.82 AU

Year: 21532 Days

Day: 19.3 Hours

Environment

Temp: -245 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,813,062 km

• M1: 72,256 km (0.105 R)
• M2: 211,083 km (0.094 R)
• M3: 1,594,414 km (0.083 R)
• M4: 2,263,266 km (0.084 R)
• M5: 5,105,476 km (0.11 R)
• M6: 5,801,705 km (0.086 R)
• M7: 7,461,643 km (0.103 R)
• M8: 7,794,199 km (0.111 R)
• M9: 8,223,694 km (0.092 R)
• M10: 8,989,635 km (0.078 R)
• M11: 16,761,095 km (0.067 R)
• M12: 16,902,465 km (0.05 R)
• M13: 19,504,421 km (0.097 R)
• M14: 20,615,933 km (0.035 R)
• M15: 29,602,427 km (0.085 R)
• M16: 35,402,934 km (0.116 R)
• M17: 38,999,716 km (0.11 R)
• M18: 40,377,363 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854

Radius: 5

Gravity: 34.16 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 8.61 AU - 11.15 AU

Year: 21829 Days

Day: 22.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 86,813,062 km

• M1: 62,682 km (0.111 R)
• M2: 766,689 km (0.093 R)
• M3: 1,037,162 km (0.115 R)
• M4: 1,401,433 km (0.042 R)
• M5: 1,586,934 km (0.065 R)
• M6: 1,926,073 km (0.036 R)
• M7: 2,199,837 km (0.038 R)
• M8: 2,523,566 km (0.108 R)
• M9: 2,722,382 km (0.089 R)
• M10: 3,813,549 km (0.028 R)
• M11: 5,740,070 km (0.117 R)
• M12: 6,816,128 km (0.117 R)
• M13: 7,967,283 km (0.088 R)
• M14: 8,561,337 km (0.119 R)
• M15: 10,081,999 km (0.108 R)
• M16: 13,571,070 km (0.112 R)
• M17: 15,378,811 km (0.12 R)
• M18: 15,625,797 km (0.108 R)
• M19: 21,241,551 km (0.099 R)
• M20: 21,548,077 km (0.08 R)
• M21: 26,153,597 km (0.113 R)
• M22: 28,809,109 km (0.118 R)
• M23: 29,690,390 km (0.109 R)
• M24: 32,038,778 km (0.114 R)
• M25: 32,441,794 km (0.079 R)
• M26: 35,215,788 km (0.082 R)
• M27: 40,599,815 km (0.096 R)
• M28: 40,914,120 km (0.057 R)
• M29: 43,159,434 km (0.108 R)
• M30: 45,824,521 km (0.081 R)
• M31: 51,296,362 km (0.056 R)
• M32: 52,032,683 km (0.088 R)
• M33: 52,775,885 km (0.099 R)
• M34: 53,338,074 km (0.095 R)
• M35: 54,283,831 km (0.06 R)
• M36: 57,780,831 km (0.095 R)
• M37: 59,584,533 km (0.102 R)
• M38: 65,435,156 km (0.118 R)
• M39: 65,650,876 km (0.081 R)
• M40: 70,972,371 km (0.106 R)
• M41: 82,463,582 km (0.105 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 12,026 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit