🌌 Stone's Star System Generator

Asteroid Belt

Center: 3.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.5

Radius: 12.4

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.42 AU - 8.1 AU

Year: 6693 Days

Day: 9.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 74.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 100,865,765 km

• M1: 154,235 km (0.118 R)
• M2: 643,720 km (0.119 R)
• M3: 1,269,787 km (0.097 R)
• M4: 2,100,952 km (0.108 R)
• M5: 2,676,456 km (0.094 R)
• M6: 3,894,481 km (0.067 R)
• M7: 4,329,662 km (0.112 R)
• M8: 5,268,089 km (0.076 R)
• M9: 5,802,153 km (0.075 R)
• M10: 8,476,365 km (0.104 R)
• M11: 9,167,058 km (0.075 R)
• M12: 11,160,001 km (0.085 R)
• M13: 12,420,513 km (0.105 R)
• M14: 14,246,355 km (0.042 R)
• M15: 16,507,078 km (0.093 R)
• M16: 22,694,895 km (0.105 R)
• M17: 24,282,427 km (0.099 R)
• M18: 25,764,643 km (0.046 R)
• M19: 28,526,070 km (0.118 R)
• M20: 29,391,643 km (0.115 R)
• M21: 34,522,252 km (0.095 R)
• M22: 35,175,546 km (0.099 R)
• M23: 37,412,632 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.9

Radius: 10.5

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 7.18 AU - 11.82 AU

Year: 11150 Days

Day: 14.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 100,865,765 km

• M1: 130,599 km (0.063 R)
• M2: 460,462 km (0.06 R)
• M3: 800,349 km (0.115 R)
• M4: 1,296,565 km (0.081 R)
• M5: 1,862,942 km (0.107 R)
• M6: 2,220,332 km (0.113 R)
• M7: 3,492,362 km (0.079 R)
• M8: 4,114,091 km (0.102 R)
• M9: 5,638,493 km (0.1 R)
• M10: 6,428,669 km (0.103 R)
• M11: 8,706,596 km (0.076 R)
• M12: 11,089,989 km (0.116 R)
• M13: 12,431,583 km (0.036 R)
• M14: 14,045,744 km (0.056 R)
• M15: 15,196,750 km (0.045 R)
• M16: 17,103,674 km (0.066 R)
• M17: 18,617,754 km (0.03 R)
• M18: 19,934,515 km (0.032 R)
• M19: 20,651,986 km (0.099 R)
• M20: 21,312,311 km (0.112 R)
• M21: 22,062,544 km (0.06 R)
• M22: 25,490,280 km (0.066 R)
• M23: 28,711,123 km (0.048 R)
• M24: 30,278,011 km (0.091 R)
• M25: 33,783,238 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.6

Radius: 10.4

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 8.08 AU - 12.64 AU

Year: 12698 Days

Day: 9 Hours

Environment

Temp: -179 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 100,865,765 km

• M1: 141,520 km (0.061 R)
• M2: 711,787 km (0.119 R)
• M3: 1,124,677 km (0.043 R)
• M4: 1,468,901 km (0.093 R)
• M5: 1,983,668 km (0.037 R)
• M6: 2,359,458 km (0.106 R)
• M7: 3,232,960 km (0.074 R)
• M8: 5,574,615 km (0.081 R)
• M9: 6,035,077 km (0.119 R)
• M10: 7,154,219 km (0.112 R)
• M11: 9,157,035 km (0.091 R)
• M12: 11,735,205 km (0.111 R)
• M13: 13,159,676 km (0.064 R)
• M14: 14,042,004 km (0.05 R)
• M15: 16,065,166 km (0.072 R)
• M16: 18,429,710 km (0.067 R)
• M17: 19,134,615 km (0.105 R)
• M18: 20,349,050 km (0.089 R)
• M19: 21,442,461 km (0.112 R)
• M20: 25,530,971 km (0.112 R)
• M21: 29,577,444 km (0.108 R)
• M22: 31,641,296 km (0.095 R)
• M23: 41,389,991 km (0.115 R)
• M24: 44,803,814 km (0.091 R)
• M25: 46,795,411 km (0.036 R)
• M26: 50,497,509 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.6

Radius: 6.7

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 11.2 AU - 12.96 AU

Year: 15988 Days

Day: 19.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 100,865,765 km

• M1: 84,523 km (0.065 R)
• M2: 915,240 km (0.094 R)
• M3: 1,434,195 km (0.108 R)
• M4: 2,099,905 km (0.08 R)
• M5: 3,472,017 km (0.069 R)
• M6: 3,917,669 km (0.083 R)
• M7: 4,154,632 km (0.118 R)
• M8: 4,744,646 km (0.075 R)
• M9: 5,518,366 km (0.097 R)
• M10: 10,434,003 km (0.11 R)
• M11: 11,898,117 km (0.067 R)
• M12: 13,316,754 km (0.085 R)
• M13: 21,964,408 km (0.081 R)
• M14: 23,223,274 km (0.034 R)
• M15: 25,245,837 km (0.094 R)
• M16: 25,609,061 km (0.103 R)
• M17: 28,153,571 km (0.116 R)
• M18: 29,436,822 km (0.086 R)
• M19: 31,381,744 km (0.119 R)
• M20: 38,083,878 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.2

Radius: 5.1

Gravity: 29.46 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 17.23 AU - 18.59 AU

Year: 28863 Days

Day: 19.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 100,865,765 km

• M1: 63,579 km (0.099 R)
• M2: 284,834 km (0.07 R)
• M3: 484,099 km (0.12 R)
• M4: 810,820 km (0.071 R)
• M5: 1,422,377 km (0.086 R)
• M6: 2,159,744 km (0.09 R)
• M7: 2,396,857 km (0.09 R)
• M8: 2,895,467 km (0.097 R)
• M9: 4,202,803 km (0.093 R)
• M10: 8,022,186 km (0.096 R)
• M11: 8,650,198 km (0.041 R)
• M12: 9,939,283 km (0.037 R)
• M13: 13,832,118 km (0.096 R)
• M14: 14,901,294 km (0.074 R)
• M15: 15,586,004 km (0.05 R)
• M16: 17,860,939 km (0.086 R)
• M17: 18,051,975 km (0.111 R)
• M18: 18,438,087 km (0.038 R)
• M19: 20,347,854 km (0.091 R)
• M20: 21,945,708 km (0.105 R)
• M21: 22,607,679 km (0.044 R)
• M22: 25,148,898 km (0.096 R)
• M23: 28,131,281 km (0.087 R)
• M24: 31,619,305 km (0.081 R)
• M25: 31,898,904 km (0.03 R)
• M26: 32,321,518 km (0.101 R)
• M27: 44,313,283 km (0.082 R)
• M28: 46,985,400 km (0.11 R)
• M29: 51,867,975 km (0.035 R)
• M30: 59,383,623 km (0.109 R)
• M31: 61,098,762 km (0.091 R)
• M32: 63,955,932 km (0.104 R)
• M33: 67,593,105 km (0.109 R)
• M34: 71,365,814 km (0.098 R)
• M35: 72,330,421 km (0.064 R)
• M36: 73,548,297 km (0.1 R)
• M37: 80,102,778 km (0.117 R)
• M38: 80,362,331 km (0.12 R)
• M39: 82,723,883 km (0.088 R)
• M40: 87,860,625 km (0.094 R)
• M41: 90,647,633 km (0.097 R)
• M42: 93,492,984 km (0.069 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: 503 - 17,288 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit