🌌 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: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.9

Radius: 10.4

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.62 AU - 0.7 AU

Year: 370 Days

Day: 6.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 90,609,511 km

• M1: 129,402 km (0.105 R)
• M2: 471,383 km (0.09 R)
• M3: 842,685 km (0.09 R)
• M4: 1,202,617 km (0.058 R)
• M5: 2,047,396 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.2

Radius: 13.3

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.28 AU - 2.54 AU

Year: 2582 Days

Day: 12.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 63.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,609,511 km

• M1: 165,754 km (0.116 R)
• M2: 817,104 km (0.098 R)
• M3: 1,358,199 km (0.118 R)
• M4: 1,879,847 km (0.09 R)
• M5: 2,653,118 km (0.096 R)
• M6: 4,180,812 km (0.118 R)
• M7: 4,719,813 km (0.096 R)
• M8: 5,208,250 km (0.091 R)
• M9: 6,425,229 km (0.106 R)
• M10: 6,909,477 km (0.032 R)
• M11: 7,418,110 km (0.077 R)
• M12: 8,080,828 km (0.054 R)
• M13: 8,714,226 km (0.11 R)
• M14: 9,561,398 km (0.12 R)
• M15: 10,736,190 km (0.12 R)
• M16: 11,216,100 km (0.102 R)
• M17: 12,435,173 km (0.119 R)
• M18: 13,009,480 km (0.096 R)
• M19: 13,694,189 km (0.111 R)
• M20: 15,285,162 km (0.064 R)
• M21: 18,262,160 km (0.094 R)
• M22: 19,827,403 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.5

Radius: 8.2

Gravity: 14.2 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.13 AU - 3.11 AU

Year: 2927 Days

Day: 11.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,609,511 km

• M1: 102,026 km (0.036 R)
• M2: 376,837 km (0.069 R)
• M3: 681,119 km (0.066 R)
• M4: 1,311,824 km (0.053 R)
• M5: 1,757,476 km (0.115 R)
• M6: 2,849,989 km (0.081 R)
• M7: 3,219,496 km (0.087 R)
• M8: 4,054,850 km (0.088 R)
• M9: 4,687,350 km (0.07 R)
• M10: 7,075,680 km (0.095 R)
• M11: 8,025,477 km (0.12 R)
• M12: 10,056,268 km (0.037 R)
• M13: 10,500,125 km (0.096 R)
• M14: 10,999,183 km (0.064 R)
• M15: 11,254,547 km (0.117 R)
• M16: 12,730,779 km (0.086 R)
• M17: 13,734,880 km (0.096 R)
• M18: 14,231,245 km (0.114 R)
• M19: 15,365,048 km (0.112 R)
• M20: 16,502,590 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.8

Radius: 9.8

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.95 AU - 5.81 AU

Year: 8614 Days

Day: 14.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,609,511 km

• M1: 122,221 km (0.088 R)
• M2: 493,075 km (0.025 R)
• M3: 1,236,426 km (0.112 R)
• M4: 1,754,484 km (0.052 R)
• M5: 3,187,781 km (0.107 R)
• M6: 3,570,602 km (0.049 R)
• M7: 3,939,062 km (0.044 R)
• M8: 4,651,596 km (0.087 R)
• M9: 6,972,906 km (0.111 R)
• M10: 8,087,560 km (0.084 R)
• M11: 8,497,009 km (0.09 R)
• M12: 8,998,611 km (0.103 R)
• M13: 9,519,810 km (0.111 R)
• M14: 11,667,587 km (0.106 R)
• M15: 12,680,065 km (0.105 R)
• M16: 13,131,551 km (0.084 R)
• M17: 13,593,659 km (0.061 R)
• M18: 14,714,297 km (0.075 R)
• M19: 15,722,886 km (0.106 R)
• M20: 17,443,860 km (0.089 R)
• M21: 19,951,569 km (0.094 R)
• M22: 23,506,014 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388

Radius: 3.3

Gravity: 35.63 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.81 AU - 9.55 AU

Year: 16149 Days

Day: 16.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,609,511 km

• M1: 40,990 km (0.052 R)
• M2: 295,157 km (0.118 R)
• M3: 804,537 km (0.115 R)
• M4: 1,264,401 km (0.093 R)
• M5: 1,588,729 km (0.106 R)
• M6: 2,128,778 km (0.054 R)
• M7: 2,320,113 km (0.092 R)
• M8: 2,522,968 km (0.052 R)
• M9: 5,078,399 km (0.032 R)
• M10: 5,596,606 km (0.08 R)
• M11: 7,535,394 km (0.104 R)
• M12: 9,931,803 km (0.086 R)
• M13: 15,723,484 km (0.101 R)
• M14: 17,727,946 km (0.062 R)
• M15: 17,960,720 km (0.066 R)
• M16: 22,055,812 km (0.072 R)
• M17: 23,330,835 km (0.034 R)
• M18: 23,703,932 km (0.117 R)
• M19: 24,557,986 km (0.094 R)
• M20: 28,074,584 km (0.1 R)
• M21: 31,231,099 km (0.039 R)
• M22: 41,554,997 km (0.072 R)
• M23: 44,343,352 km (0.088 R)
• M24: 44,628,785 km (0.094 R)
• M25: 50,911,447 km (0.069 R)
• M26: 51,854,362 km (0.119 R)
• M27: 54,589,310 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945.4

Radius: 4.4

Gravity: 48.83 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 9.49 AU - 10.69 AU

Year: 22123 Days

Day: 18.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 90,609,511 km

• M1: 79,586 km (0.054 R)
• M2: 282,441 km (0.084 R)
• M3: 574,007 km (0.119 R)
• M4: 834,906 km (0.077 R)
• M5: 1,045,540 km (0.067 R)
• M6: 1,402,779 km (0.081 R)
• M7: 1,897,200 km (0.104 R)
• M8: 2,332,530 km (0.107 R)
• M9: 3,077,976 km (0.113 R)
• M10: 3,805,620 km (0.116 R)
• M11: 3,970,627 km (0.1 R)
• M12: 4,350,456 km (0.111 R)
• M13: 5,303,394 km (0.084 R)
• M14: 5,593,315 km (0.119 R)
• M15: 5,850,174 km (0.086 R)
• M16: 6,957,199 km (0.101 R)
• M17: 8,754,467 km (0.113 R)
• M18: 11,579,025 km (0.11 R)
• M19: 12,066,863 km (0.054 R)
• M20: 12,641,170 km (0.091 R)
• M21: 12,861,079 km (0.044 R)
• M22: 15,872,484 km (0.115 R)
• M23: 20,008,416 km (0.032 R)
• M24: 20,407,394 km (0.068 R)
• M25: 22,590,026 km (0.114 R)
• M26: 24,016,293 km (0.102 R)
• M27: 27,534,834 km (0.089 R)
• M28: 28,028,507 km (0.106 R)
• M29: 28,780,087 km (0.093 R)
• M30: 30,717,380 km (0.066 R)
• M31: 39,026,644 km (0.09 R)
• M32: 42,043,584 km (0.071 R)
• M33: 45,212,366 km (0.09 R)
• M34: 53,344,506 km (0.025 R)
• M35: 67,175,577 km (0.114 R)
• M36: 67,398,329 km (0.028 R)
• M37: 68,069,425 km (0.119 R)
• M38: 75,749,181 km (0.111 R)
• M39: 76,474,731 km (0.091 R)
• M40: 84,763,350 km (0.105 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: 518 - 18,383 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit