🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.2

Radius: 9

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.86 AU - 1.24 AU

Year: 756 Days

Day: 9.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 94,286,798 km

• M1: 112,049 km (0.084 R)
• M2: 403,316 km (0.097 R)
• M3: 717,172 km (0.102 R)
• M4: 1,482,066 km (0.076 R)
• M5: 1,882,390 km (0.047 R)
• M6: 2,210,159 km (0.047 R)
• M7: 2,725,075 km (0.117 R)
• M8: 3,418,461 km (0.085 R)
• M9: 4,791,769 km (0.092 R)
• M10: 5,322,393 km (0.057 R)
• M11: 5,745,605 km (0.08 R)
• M12: 6,040,014 km (0.081 R)
• M13: 7,026,163 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.7

Radius: 12.9

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.12 AU - 1.44 AU

Year: 1018 Days

Day: 11.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 94,286,798 km

• M1: 162,014 km (0.037 R)
• M2: 634,744 km (0.065 R)
• M3: 1,173,894 km (0.08 R)
• M4: 1,678,189 km (0.086 R)
• M5: 2,803,015 km (0.063 R)
• M6: 3,814,297 km (0.094 R)
• M7: 4,345,519 km (0.082 R)
• M8: 5,759,219 km (0.079 R)
• M9: 6,438,842 km (0.112 R)
• M10: 6,983,229 km (0.085 R)
• M11: 8,479,806 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.9

Radius: 13.5

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.48 AU - 1.92 AU

Year: 1558 Days

Day: 6.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 94,286,798 km

• M1: 171,738 km (0.099 R)
• M2: 709,991 km (0.04 R)
• M3: 2,359,308 km (0.098 R)
• M4: 3,500,740 km (0.051 R)
• M5: 4,042,882 km (0.102 R)
• M6: 4,719,813 km (0.116 R)
• M7: 6,496,587 km (0.108 R)
• M8: 7,319,973 km (0.075 R)
• M9: 7,757,098 km (0.08 R)
• M10: 8,182,854 km (0.027 R)
• M11: 9,332,065 km (0.103 R)
• M12: 9,879,743 km (0.103 R)
• M13: 11,434,214 km (0.041 R)
• M14: 11,986,978 km (0.043 R)
• M15: 12,518,948 km (0.068 R)
• M16: 13,467,548 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.2

Radius: 3

Gravity: 109.8 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.36 AU - 5.7 AU

Year: 9141 Days

Day: 24 Hours

Environment

Temp: -235 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 94,286,798 km

• M1: 37,848 km (0.114 R)
• M2: 157,227 km (0.065 R)
• M3: 334,650 km (0.042 R)
• M4: 451,337 km (0.039 R)
• M5: 550,969 km (0.105 R)
• M6: 707,299 km (0.062 R)
• M7: 1,109,119 km (0.04 R)
• M8: 1,645,876 km (0.115 R)
• M9: 1,919,640 km (0.104 R)
• M10: 2,058,616 km (0.108 R)
• M11: 2,356,615 km (0.119 R)
• M12: 2,768,757 km (0.072 R)
• M13: 4,651,596 km (0.108 R)
• M14: 5,096,799 km (0.049 R)
• M15: 5,229,044 km (0.091 R)
• M16: 6,486,115 km (0.056 R)
• M17: 6,799,373 km (0.115 R)
• M18: 7,040,824 km (0.057 R)
• M19: 7,163,644 km (0.088 R)
• M20: 9,677,785 km (0.072 R)
• M21: 10,034,876 km (0.106 R)
• M22: 13,779,759 km (0.103 R)
• M23: 14,231,245 km (0.085 R)
• M24: 16,565,870 km (0.081 R)
• M25: 16,783,385 km (0.077 R)
• M26: 17,002,696 km (0.089 R)
• M27: 17,298,151 km (0.111 R)
• M28: 20,031,155 km (0.115 R)
• M29: 20,777,798 km (0.051 R)
• M30: 21,030,768 km (0.108 R)
• M31: 21,888,712 km (0.118 R)
• M32: 23,218,936 km (0.072 R)
• M33: 32,347,847 km (0.083 R)
• M34: 32,574,039 km (0.046 R)
• M35: 38,072,508 km (0.078 R)
• M36: 40,513,347 km (0.03 R)
• M37: 40,907,987 km (0.113 R)
• M38: 47,430,304 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 77

Radius: 4.7

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.34 AU - 8.38 AU

Year: 12630 Days

Day: 23.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 94,286,798 km

• M1: 58,642 km (0.094 R)
• M2: 221,106 km (0.098 R)
• M3: 469,887 km (0.072 R)
• M4: 1,099,844 km (0.067 R)
• M5: 1,295,966 km (0.091 R)
• M6: 1,526,796 km (0.06 R)
• M7: 2,042,460 km (0.094 R)
• M8: 4,845,774 km (0.092 R)
• M9: 5,132,553 km (0.095 R)
• M10: 6,120,198 km (0.111 R)
• M11: 6,362,697 km (0.06 R)
• M12: 6,802,365 km (0.048 R)
• M13: 7,029,604 km (0.114 R)
• M14: 9,916,843 km (0.119 R)
• M15: 13,055,257 km (0.099 R)
• M16: 13,661,278 km (0.028 R)
• M17: 14,498,128 km (0.054 R)
• M18: 17,093,801 km (0.069 R)
• M19: 17,333,157 km (0.057 R)
• M20: 19,071,784 km (0.112 R)
• M21: 19,264,765 km (0.094 R)
• M22: 20,382,710 km (0.094 R)
• M23: 26,948,112 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.2

Radius: 3.3

Gravity: 30.51 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.28 AU - 9.26 AU

Year: 15224 Days

Day: 18.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 94,286,798 km

• M1: 40,990 km (0.095 R)
• M2: 183,557 km (0.084 R)
• M3: 317,147 km (0.032 R)
• M4: 482,752 km (0.106 R)
• M5: 670,946 km (0.092 R)
• M6: 967,749 km (0.095 R)
• M7: 1,255,575 km (0.092 R)
• M8: 1,750,445 km (0.097 R)
• M9: 2,604,499 km (0.039 R)
• M10: 2,927,331 km (0.074 R)
• M11: 3,300,279 km (0.116 R)
• M12: 3,574,492 km (0.099 R)
• M13: 3,756,851 km (0.1 R)
• M14: 4,282,987 km (0.104 R)
• M15: 4,548,673 km (0.065 R)
• M16: 5,310,724 km (0.074 R)
• M17: 7,581,321 km (0.086 R)
• M18: 10,113,115 km (0.11 R)
• M19: 11,233,304 km (0.11 R)
• M20: 12,973,127 km (0.027 R)
• M21: 13,403,371 km (0.044 R)
• M22: 14,227,805 km (0.056 R)
• M23: 14,619,452 km (0.078 R)
• M24: 16,758,103 km (0.119 R)
• M25: 19,813,789 km (0.114 R)
• M26: 20,798,143 km (0.052 R)
• M27: 22,775,079 km (0.09 R)
• M28: 25,251,522 km (0.089 R)
• M29: 29,032,160 km (0.096 R)
• M30: 30,622,834 km (0.093 R)
• M31: 31,165,575 km (0.11 R)
• M32: 32,607,100 km (0.086 R)
• M33: 38,439,472 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.4

Radius: 7.6

Gravity: 17.16 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 9.59 AU - 10.83 AU

Year: 22932 Days

Day: 20 Hours

Environment

Temp: -245 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 94,286,798 km

• M1: 94,546 km (0.112 R)
• M2: 445,203 km (0.118 R)
• M3: 782,247 km (0.071 R)
• M4: 1,057,059 km (0.091 R)
• M5: 3,298,184 km (0.04 R)
• M6: 4,525,934 km (0.073 R)
• M7: 8,563,880 km (0.103 R)
• M8: 10,774,039 km (0.091 R)
• M9: 16,284,177 km (0.074 R)
• M10: 32,680,253 km (0.085 R)
• M11: 39,356,956 km (0.098 R)
• M12: 41,934,228 km (0.07 R)
• M13: 45,311,400 km (0.03 R)
• M14: 49,782,282 km (0.107 R)
• M15: 51,839,402 km (0.077 R)
• M16: 53,370,536 km (0.073 R)
• M17: 54,342,773 km (0.119 R)
• M18: 56,122,240 km (0.102 R)
• M19: 61,057,174 km (0.053 R)
• M20: 62,979,956 km (0.088 R)
• M21: 64,065,288 km (0.097 R)
• M22: 74,160,751 km (0.069 R)
• M23: 77,087,334 km (0.213 R)
• M24: 81,877,009 km (0.068 R)
• M25: 82,651,028 km (0.116 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 10,849 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit