🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.8

Radius: 10.4

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.44 AU - 0.6 AU

Year: 250 Days

Day: 5.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,241,360 km

• M1: 129,402 km (0.045 R)
• M2: 469,588 km (0.076 R)
• M3: 812,017 km (0.09 R)
• M4: 1,562,400 km (0.085 R)
• M5: 1,945,969 km (0.067 R)
• M6: 2,272,840 km (0.029 R)
• M7: 3,068,701 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.4

Radius: 10.5

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.47 AU - 0.78 AU

Year: 326 Days

Day: 12.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,241,360 km

• M1: 130,599 km (0.059 R)
• M2: 465,848 km (0.065 R)
• M3: 873,801 km (0.1 R)
• M4: 1,593,965 km (0.1 R)
• M5: 2,291,989 km (0.117 R)
• M6: 2,681,691 km (0.107 R)
• M7: 3,450,924 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.6

Radius: 11.8

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.13 AU - 1.55 AU

Year: 1034 Days

Day: 7.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,241,360 km

• M1: 150,495 km (0.051 R)
• M2: 564,134 km (0.115 R)
• M3: 1,235,379 km (0.068 R)
• M4: 1,765,255 km (0.09 R)
• M5: 2,999,288 km (0.066 R)
• M6: 4,880,930 km (0.054 R)
• M7: 5,454,488 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.4

Radius: 9.9

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.34 AU - 3.7 AU

Year: 4404 Days

Day: 7.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,241,360 km

• M1: 123,568 km (0.104 R)
• M2: 581,936 km (0.1 R)
• M3: 960,119 km (0.098 R)
• M4: 1,720,675 km (0.082 R)
• M5: 2,046,948 km (0.11 R)
• M6: 2,969,817 km (0.101 R)
• M7: 3,708,531 km (0.118 R)
• M8: 5,503,556 km (0.073 R)
• M9: 6,641,248 km (0.116 R)
• M10: 9,029,727 km (0.03 R)
• M11: 10,850,184 km (0.111 R)
• M12: 12,319,534 km (0.053 R)
• M13: 12,706,694 km (0.063 R)
• M14: 13,917,090 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.9

Radius: 8.9

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.07 AU - 4.09 AU

Year: 5496 Days

Day: 6.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,241,360 km

• M1: 110,702 km (0.081 R)
• M2: 740,809 km (0.12 R)
• M3: 1,023,848 km (0.117 R)
• M4: 2,047,696 km (0.098 R)
• M5: 2,529,850 km (0.082 R)
• M6: 3,174,616 km (0.115 R)
• M7: 3,469,175 km (0.088 R)
• M8: 7,447,580 km (0.099 R)
• M9: 7,837,582 km (0.112 R)
• M10: 9,460,719 km (0.062 R)
• M11: 12,890,250 km (0.03 R)
• M12: 13,358,342 km (0.095 R)
• M13: 18,095,358 km (0.086 R)
• M14: 18,682,380 km (0.116 R)
• M15: 20,330,949 km (0.032 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997.1

Radius: 6

Gravity: 27.7 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6.27 AU - 6.39 AU

Year: 10620 Days

Day: 15.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 23,241,360 km

• M1: 74,649 km (0.033 R)
• M2: 297,401 km (0.097 R)
• M3: 512,971 km (0.033 R)
• M4: 895,044 km (0.055 R)
• M5: 1,173,894 km (0.074 R)
• M6: 1,676,843 km (0.045 R)
• M7: 2,067,443 km (0.068 R)
• M8: 2,353,474 km (0.119 R)
• M9: 2,843,257 km (0.041 R)
• M10: 3,424,445 km (0.102 R)
• M11: 4,169,442 km (0.104 R)
• M12: 4,502,148 km (0.041 R)
• M13: 4,984,152 km (0.079 R)
• M14: 5,464,511 km (0.088 R)
• M15: 5,752,637 km (0.111 R)
• M16: 6,242,270 km (0.095 R)
• M17: 7,304,415 km (0.106 R)
• M18: 9,367,968 km (0.115 R)
• M19: 9,676,589 km (0.096 R)
• M20: 13,861,739 km (0.112 R)
• M21: 16,607,009 km (0.086 R)
• M22: 17,442,364 km (0.047 R)
• M23: 19,278,977 km (0.063 R)
• M24: 21,594,901 km (0.103 R)
• M25: 22,043,097 km (0.102 R)
• M26: 24,864,512 km (0.112 R)
• M27: 25,755,667 km (0.114 R)
• M28: 33,905,609 km (0.108 R)
• M29: 35,619,403 km (0.104 R)
• M30: 37,776,903 km (0.074 R)
• M31: 38,821,695 km (0.049 R)
• M32: 46,086,915 km (0.043 R)
• M33: 50,507,233 km (0.089 R)
• M34: 56,208,408 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.1

Radius: 3.8

Gravity: 17.94 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.15 AU - 7.57 AU

Year: 10696 Days

Day: 15.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 23,241,360 km

• M1: 58,642 km (0.079 R)
• M2: 192,832 km (0.089 R)
• M3: 505,192 km (0.109 R)
• M4: 1,736,532 km (0.063 R)
• M5: 2,049,790 km (0.09 R)
• M6: 2,846,399 km (0.098 R)
• M7: 3,548,611 km (0.026 R)
• M8: 3,806,518 km (0.072 R)
• M9: 5,226,950 km (0.113 R)
• M10: 5,654,201 km (0.11 R)
• M11: 6,371,972 km (0.052 R)
• M12: 6,717,543 km (0.099 R)
• M13: 7,751,414 km (0.114 R)
• M14: 9,057,852 km (0.1 R)
• M15: 9,538,959 km (0.06 R)
• M16: 10,268,697 km (0.109 R)
• M17: 10,888,481 km (0.043 R)
• M18: 13,674,741 km (0.085 R)
• M19: 15,754,152 km (0.102 R)
• M20: 16,771,268 km (0.1 R)
• M21: 18,725,016 km (0.105 R)
• M22: 20,084,262 km (0.047 R)
• M23: 22,048,781 km (0.033 R)
• M24: 22,204,962 km (0.106 R)
• M25: 24,890,543 km (0.088 R)
• M26: 28,058,427 km (0.112 R)
• M27: 29,833,855 km (0.109 R)
• M28: 31,881,849 km (0.043 R)
• M29: 35,393,061 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.5

Radius: 6

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.06 AU - 7.08 AU

Year: 12536 Days

Day: 19.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 23,241,360 km

• M1: 75,397 km (0.032 R)
• M2: 361,877 km (0.106 R)
• M3: 862,881 km (0.084 R)
• M4: 2,021,217 km (0.045 R)
• M5: 2,803,913 km (0.092 R)
• M6: 6,415,505 km (0.054 R)
• M7: 6,733,699 km (0.055 R)
• M8: 8,527,079 km (0.089 R)
• M9: 9,218,969 km (0.059 R)
• M10: 9,994,634 km (0.096 R)
• M11: 10,567,743 km (0.118 R)
• M12: 14,058,609 km (0.049 R)
• M13: 14,838,613 km (0.109 R)
• M14: 18,248,696 km (0.105 R)
• M15: 19,176,353 km (0.099 R)
• M16: 19,836,678 km (0.084 R)
• M17: 20,060,027 km (0.107 R)
• M18: 24,289,907 km (0.102 R)
• M19: 25,851,709 km (0.117 R)
• M20: 26,747,650 km (0.1 R)
• M21: 30,046,882 km (0.1 R)
• M22: 32,459,596 km (0.039 R)
• M23: 34,244,748 km (0.111 R)
• M24: 36,650,730 km (0.105 R)
• M25: 37,212,919 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36.3

Radius: 3.6

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 7.81 AU - 7.89 AU

Year: 14667 Days

Day: 23.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,241,360 km

• M1: 57,146 km (0.072 R)
• M2: 194,028 km (0.044 R)
• M3: 312,510 km (0.11 R)
• M4: 576,101 km (0.077 R)
• M5: 812,017 km (0.084 R)
• M6: 5,653,752 km (0.093 R)
• M7: 8,630,900 km (0.117 R)
• M8: 19,373,074 km (0.09 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: 473 - 19,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit