🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.2

Radius: 13.7

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.62 AU - 0.82 AU

Year: 401 Days

Day: 8.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 81,537,104 km

• M1: 171,290 km (0.104 R)
• M2: 708,346 km (0.05 R)
• M3: 1,264,102 km (0.08 R)
• M4: 1,817,465 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.6

Radius: 8.3

Gravity: 14.06 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1 AU - 1.04 AU

Year: 676 Days

Day: 7.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,537,104 km

• M1: 103,223 km (0.093 R)
• M2: 494,571 km (0.103 R)
• M3: 880,683 km (0.106 R)
• M4: 1,147,565 km (0.069 R)
• M5: 1,492,538 km (0.114 R)
• M6: 2,008,950 km (0.099 R)
• M7: 2,733,153 km (0.099 R)
• M8: 3,355,331 km (0.089 R)
• M9: 4,053,205 km (0.115 R)
• M10: 4,502,896 km (0.07 R)
• M11: 4,774,715 km (0.112 R)
• M12: 5,166,213 km (0.12 R)
• M13: 6,218,783 km (0.065 R)
• M14: 6,664,585 km (0.114 R)
• M15: 7,338,075 km (0.111 R)
• M16: 7,691,575 km (0.042 R)
• M17: 8,716,021 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.3

Radius: 12.4

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.12 AU - 1.84 AU

Year: 1181 Days

Day: 5.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,537,104 km

• M1: 155,133 km (0.107 R)
• M2: 597,943 km (0.103 R)
• M3: 1,062,294 km (0.095 R)
• M4: 1,529,638 km (0.041 R)
• M5: 2,155,705 km (0.12 R)
• M6: 2,730,012 km (0.109 R)
• M7: 3,346,953 km (0.058 R)
• M8: 4,071,755 km (0.085 R)
• M9: 4,516,061 km (0.076 R)
• M10: 5,708,655 km (0.094 R)
• M11: 6,245,113 km (0.112 R)
• M12: 8,352,498 km (0.097 R)
• M13: 10,079,306 km (0.105 R)
• M14: 10,768,653 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.5

Radius: 14.5

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.57 AU - 3.15 AU

Year: 3173 Days

Day: 7.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,537,104 km

• M1: 180,265 km (0.071 R)
• M2: 644,168 km (0.043 R)
• M3: 1,190,201 km (0.085 R)
• M4: 1,915,750 km (0.083 R)
• M5: 2,763,970 km (0.038 R)
• M6: 3,972,571 km (0.117 R)
• M7: 4,708,743 km (0.072 R)
• M8: 5,432,796 km (0.085 R)
• M9: 5,928,863 km (0.103 R)
• M10: 6,774,390 km (0.087 R)
• M11: 7,893,681 km (0.112 R)
• M12: 8,811,614 km (0.088 R)
• M13: 9,536,565 km (0.084 R)
• M14: 10,106,084 km (0.117 R)
• M15: 11,737,000 km (0.085 R)
• M16: 13,349,516 km (0.067 R)
• M17: 14,160,336 km (0.12 R)
• M18: 16,358,677 km (0.087 R)
• M19: 17,964,311 km (0.081 R)
• M20: 19,794,491 km (0.045 R)
• M21: 20,912,586 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800

Radius: 14.4

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.52 AU - 3.62 AU

Year: 4425 Days

Day: 6.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,537,104 km

• M1: 179,667 km (0.08 R)
• M2: 1,022,053 km (0.105 R)
• M3: 1,471,445 km (0.098 R)
• M4: 2,186,971 km (0.115 R)
• M5: 3,033,246 km (0.092 R)
• M6: 3,842,571 km (0.079 R)
• M7: 4,947,202 km (0.081 R)
• M8: 6,503,169 km (0.061 R)
• M9: 7,291,550 km (0.044 R)
• M10: 9,098,991 km (0.115 R)
• M11: 10,300,561 km (0.09 R)
• M12: 11,007,561 km (0.101 R)
• M13: 11,793,847 km (0.11 R)
• M14: 12,568,016 km (0.114 R)
• M15: 13,272,921 km (0.071 R)
• M16: 14,488,105 km (0.111 R)
• M17: 18,644,532 km (0.111 R)
• M18: 19,897,115 km (0.105 R)
• M19: 22,496,378 km (0.114 R)
• M20: 23,311,088 km (0.116 R)
• M21: 27,180,886 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.8

Radius: 3

Gravity: 19.2 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.13 AU - 8.99 AU

Year: 13636 Days

Day: 23.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,537,104 km

• M1: 37,399 km (0.074 R)
• M2: 186,848 km (0.056 R)
• M3: 308,920 km (0.081 R)
• M4: 461,061 km (0.103 R)
• M5: 1,486,853 km (0.06 R)
• M6: 2,639,206 km (0.086 R)
• M7: 3,315,986 km (0.115 R)
• M8: 3,850,948 km (0.069 R)
• M9: 4,308,269 km (0.061 R)
• M10: 5,670,956 km (0.102 R)
• M11: 6,571,236 km (0.065 R)
• M12: 7,953,820 km (0.112 R)
• M13: 8,154,430 km (0.104 R)
• M14: 8,276,353 km (0.1 R)
• M15: 10,733,797 km (0.06 R)
• M16: 10,831,335 km (0.091 R)
• M17: 11,077,722 km (0.04 R)
• M18: 13,185,556 km (0.117 R)
• M19: 14,215,687 km (0.058 R)
• M20: 14,810,488 km (0.108 R)
• M21: 16,434,373 km (0.086 R)
• M22: 16,759,599 km (0.111 R)
• M23: 18,173,000 km (0.089 R)
• M24: 22,089,322 km (0.077 R)
• M25: 23,702,287 km (0.098 R)
• M26: 24,962,349 km (0.025 R)
• M27: 25,826,726 km (0.115 R)
• M28: 27,070,034 km (0.106 R)
• M29: 27,706,423 km (0.067 R)
• M30: 28,914,576 km (0.065 R)
• M31: 30,644,974 km (0.106 R)
• M32: 32,544,867 km (0.1 R)
• M33: 34,521,803 km (0.065 R)
• M34: 36,467,174 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.2

Radius: 7.8

Gravity: 12.46 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 8.84 AU - 11.38 AU

Year: 21088 Days

Day: 23.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 81,537,104 km

• M1: 97,687 km (0.107 R)
• M2: 371,900 km (0.085 R)
• M3: 621,130 km (0.086 R)
• M4: 1,682,228 km (0.088 R)
• M5: 2,124,589 km (0.065 R)
• M6: 3,618,772 km (0.11 R)
• M7: 4,854,002 km (0.062 R)
• M8: 5,628,171 km (0.041 R)
• M9: 6,708,567 km (0.07 R)
• M10: 10,094,864 km (0.108 R)
• M11: 10,773,590 km (0.079 R)
• M12: 14,019,564 km (0.12 R)
• M13: 16,993,720 km (0.077 R)
• M14: 19,319,219 km (0.109 R)
• M15: 21,346,120 km (0.068 R)
• M16: 24,481,692 km (0.078 R)
• M17: 27,318,815 km (0.115 R)
• M18: 29,368,605 km (0.081 R)
• M19: 30,241,808 km (0.055 R)
• M20: 31,003,860 km (0.115 R)
• M21: 31,908,927 km (0.048 R)
• M22: 33,772,019 km (0.111 R)
• M23: 36,557,531 km (0.075 R)
• M24: 36,988,074 km (0.102 R)
• M25: 37,567,616 km (0.086 R)
• M26: 42,422,964 km (0.111 R)
• M27: 50,288,072 km (0.118 R)
• M28: 58,092,294 km (0.074 R)
• M29: 59,863,533 km (0.098 R)
• M30: 64,972,001 km (0.109 R)
• M31: 66,452,870 km (0.081 R)
• M32: 68,172,498 km (0.105 R)
• M33: 74,195,607 km (0.06 R)
• M34: 76,045,983 km (0.086 R)
• M35: 79,838,738 km (0.1 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 15,358 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit