🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.45 AU - 0.73 AU

Year: 297 Days

Day: 40.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.53 AU - 0.67 AU

Year: 305 Days

Day: 15.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,509,072 km

• M1: 191,186 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.6

Radius: 11.7

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.82 AU - 1.12 AU

Year: 627 Days

Day: 12.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,509,072 km

• M1: 146,756 km (0.106 R)
• M2: 239,506 km (0.105 R)
• M3: 344,374 km (0.102 R)
• M4: 424,559 km (0.08 R)
• M5: 531,820 km (0.053 R)
• M6: 630,106 km (0.107 R)
• M7: 718,369 km (0.043 R)
• M8: 824,883 km (0.081 R)
• M9: 906,862 km (0.073 R)
• M10: 1,035,666 km (0.057 R)
• M11: 1,232,986 km (0.103 R)
• M12: 1,339,200 km (0.077 R)
• M13: 1,476,681 km (0.102 R)
• M14: 1,590,076 km (0.063 R)
• M15: 1,668,315 km (0.098 R)
• M16: 1,783,805 km (0.082 R)
• M17: 1,923,529 km (0.094 R)
• M18: 2,004,163 km (0.084 R)
• M19: 2,249,952 km (0.08 R)
• M20: 2,331,932 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.3

Radius: 12.3

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.55 AU - 2.63 AU

Year: 2734 Days

Day: 10.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 31,509,072 km

• M1: 153,487 km (0.033 R)
• M2: 293,361 km (0.044 R)
• M3: 383,120 km (0.105 R)
• M4: 466,147 km (0.084 R)
• M5: 663,766 km (0.061 R)
• M6: 918,381 km (0.046 R)
• M7: 1,010,534 km (0.088 R)
• M8: 1,105,977 km (0.11 R)
• M9: 1,265,748 km (0.073 R)
• M10: 1,348,774 km (0.119 R)
• M11: 1,520,363 km (0.062 R)
• M12: 1,642,884 km (0.114 R)
• M13: 1,850,526 km (0.079 R)
• M14: 2,091,677 km (0.109 R)
• M15: 2,203,726 km (0.11 R)
• M16: 2,551,840 km (0.116 R)
• M17: 3,114,179 km (0.063 R)
• M18: 3,609,497 km (0.05 R)
• M19: 3,714,665 km (0.096 R)
• M20: 3,989,775 km (0.073 R)
• M21: 4,447,096 km (0.052 R)
• M22: 4,673,886 km (0.063 R)
• M23: 4,838,294 km (0.106 R)
• M24: 5,480,518 km (0.036 R)
• M25: 5,654,052 km (0.094 R)
• M26: 5,899,990 km (0.07 R)
• M27: 5,988,852 km (0.084 R)
• M28: 6,203,525 km (0.089 R)
• M29: 6,366,437 km (0.114 R)
• M30: 6,919,350 km (0.102 R)
• M31: 7,277,488 km (0.063 R)
• M32: 8,508,528 km (0.101 R)
• M33: 8,608,909 km (0.079 R)
• M34: 9,096,747 km (0.066 R)
• M35: 9,178,877 km (0.063 R)
• M36: 10,099,203 km (0.092 R)
• M37: 10,419,641 km (0.104 R)
• M38: 10,591,978 km (0.1 R)
• M39: 11,114,673 km (0.119 R)
• M40: 11,202,487 km (0.072 R)
• M41: 11,334,881 km (0.118 R)
• M42: 11,489,864 km (0.12 R)
• M43: 12,686,647 km (0.079 R)
• M44: 12,801,688 km (0.029 R)
• M45: 12,986,292 km (0.101 R)
• M46: 13,148,606 km (0.11 R)
• M47: 13,615,949 km (0.11 R)
• M48: 14,255,779 km (0.117 R)
• M49: 14,615,413 km (0.084 R)
• M50: 14,735,989 km (0.119 R)
• M51: 15,885,349 km (0.083 R)
• M52: 16,009,216 km (0.113 R)
• M53: 16,108,699 km (0.064 R)
• M54: 16,283,130 km (0.095 R)
• M55: 16,483,292 km (0.103 R)
• M56: 16,734,616 km (0.037 R)
• M57: 16,911,441 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.7

Radius: 10.3

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.96 AU - 4.12 AU

Year: 5327 Days

Day: 10.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 31,509,072 km

• M1: 150,495 km (0.047 R)
• M2: 283,039 km (0.101 R)
• M3: 407,953 km (0.078 R)
• M4: 489,484 km (0.067 R)
• M5: 672,293 km (0.082 R)
• M6: 811,718 km (0.027 R)
• M7: 1,105,528 km (0.116 R)
• M8: 1,272,928 km (0.027 R)
• M9: 1,351,916 km (0.109 R)
• M10: 1,581,997 km (0.113 R)
• M11: 1,789,639 km (0.118 R)
• M12: 1,932,954 km (0.104 R)
• M13: 2,136,407 km (0.058 R)
• M14: 2,544,510 km (0.099 R)
• M15: 3,169,680 km (0.103 R)
• M16: 3,657,518 km (0.101 R)
• M17: 4,097,934 km (0.115 R)
• M18: 4,408,948 km (0.097 R)
• M19: 4,530,721 km (0.082 R)
• M20: 4,678,225 km (0.116 R)
• M21: 4,802,540 km (0.102 R)
• M22: 5,439,977 km (0.049 R)
• M23: 5,676,042 km (0.119 R)
• M24: 5,888,771 km (0.032 R)
• M25: 6,022,960 km (0.109 R)
• M26: 6,376,908 km (0.074 R)
• M27: 6,625,989 km (0.096 R)
• M28: 8,336,341 km (0.112 R)
• M29: 8,578,391 km (0.108 R)
• M30: 9,069,371 km (0.111 R)
• M31: 9,193,537 km (0.117 R)
• M32: 9,443,665 km (0.042 R)
• M33: 9,537,911 km (0.088 R)
• M34: 9,950,502 km (0.053 R)
• M35: 10,596,616 km (0.11 R)
• M36: 10,694,602 km (0.09 R)
• M37: 12,546,025 km (0.119 R)
• M38: 12,615,289 km (0.055 R)
• M39: 13,243,600 km (0.069 R)
• M40: 13,917,838 km (0.077 R)
• M41: 14,241,268 km (0.107 R)
• M42: 15,857,374 km (0.066 R)
• M43: 16,007,271 km (0.119 R)
• M44: 17,068,967 km (0.055 R)
• M45: 17,261,051 km (0.039 R)
• M46: 17,415,137 km (0.114 R)
• M47: 17,841,341 km (0.066 R)
• M48: 17,958,177 km (0.105 R)
• M49: 19,100,656 km (0.034 R)
• M50: 19,620,359 km (0.117 R)
• M51: 19,781,326 km (0.056 R)
• M52: 20,063,917 km (0.063 R)
• M53: 20,592,147 km (0.107 R)
• M54: 21,579,642 km (0.108 R)
• M55: 21,662,669 km (0.052 R)
• M56: 21,745,696 km (0.116 R)
• M57: 22,079,150 km (0.102 R)
• M58: 22,204,662 km (0.115 R)
• M59: 23,301,963 km (0.12 R)
• M60: 23,857,270 km (0.088 R)
• M61: 24,676,767 km (0.11 R)
• M62: 24,850,450 km (0.093 R)
• M63: 24,981,049 km (0.062 R)
• M64: 25,593,204 km (0.091 R)
• M65: 25,945,208 km (0.093 R)
• M66: 26,166,014 km (0.074 R)
• M67: 26,343,287 km (0.083 R)
• M68: 26,520,711 km (0.114 R)
• M69: 26,654,152 km (0.049 R)
• M70: 27,145,282 km (0.087 R)
• M71: 27,729,461 km (0.111 R)
• M72: 28,227,024 km (0.075 R)
• M73: 28,864,610 km (0.034 R)
• M74: 29,276,902 km (0.096 R)
• M75: 30,153,994 km (0.108 R)
• M76: 30,572,419 km (0.11 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: 152 - 13,101 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit