🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.5

Radius: 8.8

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.4 AU - 0.66 AU

Year: 257 Days

Day: 13.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,394,395 km

• M1: 111,002 km (0.117 R)
• M2: 328,367 km (0.113 R)
• M3: 598,990 km (0.057 R)
• M4: 812,316 km (0.084 R)
• M5: 1,163,722 km (0.059 R)
• M6: 1,521,410 km (0.052 R)
• M7: 1,698,833 km (0.103 R)
• M8: 2,281,966 km (0.087 R)
• M9: 2,468,814 km (0.06 R)
• M10: 2,670,023 km (0.064 R)
• M11: 2,948,873 km (0.115 R)
• M12: 3,118,816 km (0.104 R)
• M13: 3,345,607 km (0.117 R)
• M14: 3,526,770 km (0.062 R)
• M15: 3,776,149 km (0.09 R)
• M16: 4,034,206 km (0.095 R)
• M17: 4,258,752 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.4

Radius: 13.8

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.63 AU - 0.79 AU

Year: 399 Days

Day: 6.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,394,395 km

• M1: 172,786 km (0.088 R)
• M2: 451,187 km (0.107 R)
• M3: 728,093 km (0.081 R)
• M4: 1,041,052 km (0.111 R)
• M5: 1,315,863 km (0.116 R)
• M6: 1,589,178 km (0.04 R)
• M7: 1,907,971 km (0.115 R)
• M8: 2,170,964 km (0.081 R)
• M9: 2,508,756 km (0.052 R)
• M10: 3,170,278 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.7

Radius: 11.6

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.03 AU - 1.33 AU

Year: 855 Days

Day: 9.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,394,395 km

• M1: 160,369 km (0.104 R)
• M2: 396,584 km (0.042 R)
• M3: 634,594 km (0.069 R)
• M4: 928,255 km (0.058 R)
• M5: 1,345,633 km (0.066 R)
• M6: 1,838,408 km (0.07 R)
• M7: 2,602,853 km (0.05 R)
• M8: 2,939,897 km (0.069 R)
• M9: 3,209,024 km (0.083 R)
• M10: 3,453,616 km (0.04 R)
• M11: 5,592,716 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.8

Radius: 12.3

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.01 AU - 2.61 AU

Year: 2341 Days

Day: 8.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,394,395 km

• M1: 172,786 km (0.105 R)
• M2: 436,975 km (0.069 R)
• M3: 802,593 km (0.117 R)
• M4: 1,091,765 km (0.106 R)
• M5: 1,806,843 km (0.12 R)
• M6: 2,822,762 km (0.093 R)
• M7: 3,240,888 km (0.109 R)
• M8: 4,566,176 km (0.058 R)
• M9: 5,357,549 km (0.06 R)
• M10: 6,257,380 km (0.09 R)
• M11: 7,089,144 km (0.119 R)
• M12: 7,608,996 km (0.065 R)
• M13: 8,398,424 km (0.063 R)
• M14: 9,414,344 km (0.084 R)
• M15: 9,903,229 km (0.09 R)
• M16: 10,717,042 km (0.087 R)
• M17: 11,034,339 km (0.095 R)
• M18: 11,385,894 km (0.109 R)
• M19: 13,131,551 km (0.09 R)
• M20: 14,166,918 km (0.111 R)
• M21: 14,531,937 km (0.072 R)
• M22: 15,276,187 km (0.07 R)
• M23: 15,759,537 km (0.087 R)
• M24: 16,534,454 km (0.064 R)
• M25: 17,880,087 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.4

Radius: 6.8

Gravity: 16.03 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.64 AU - 9.18 AU

Year: 13451 Days

Day: 20.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 50,394,395 km

• M1: 89,460 km (0.065 R)
• M2: 329,863 km (0.07 R)
• M3: 1,413,999 km (0.047 R)
• M4: 2,046,499 km (0.109 R)
• M5: 3,089,346 km (0.074 R)
• M6: 3,419,807 km (0.103 R)
• M7: 3,708,531 km (0.098 R)
• M8: 4,132,791 km (0.095 R)
• M9: 4,482,551 km (0.083 R)
• M10: 5,331,369 km (0.115 R)
• M11: 5,876,653 km (0.063 R)
• M12: 6,645,586 km (0.112 R)
• M13: 6,925,933 km (0.078 R)
• M14: 8,416,227 km (0.053 R)
• M15: 8,595,894 km (0.114 R)
• M16: 9,053,364 km (0.111 R)
• M17: 9,666,117 km (0.092 R)
• M18: 11,312,142 km (0.112 R)
• M19: 12,701,009 km (0.104 R)
• M20: 15,356,521 km (0.053 R)
• M21: 16,339,678 km (0.102 R)
• M22: 16,527,274 km (0.092 R)
• M23: 19,133,568 km (0.073 R)
• M24: 19,609,289 km (0.046 R)
• M25: 22,660,637 km (0.112 R)
• M26: 23,104,045 km (0.111 R)
• M27: 24,613,188 km (0.103 R)
• M28: 31,474,494 km (0.045 R)
• M29: 32,084,405 km (0.106 R)
• M30: 38,410,450 km (0.072 R)
• M31: 40,744,476 km (0.104 R)
• M32: 41,637,575 km (0.084 R)
• M33: 41,937,369 km (0.043 R)
• M34: 43,046,039 km (0.073 R)
• M35: 44,581,213 km (0.115 R)
• M36: 45,306,762 km (0.057 R)
• M37: 47,732,342 km (0.112 R)
• M38: 50,002,191 km (0.115 R)
• M39: 56,545,901 km (0.103 R)
• M40: 56,778,675 km (0.062 R)
• M41: 58,185,793 km (0.042 R)
• M42: 59,371,505 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.2

Radius: 7.8

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.99 AU - 11.63 AU

Year: 18943 Days

Day: 22 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 50,394,395 km

• M1: 97,089 km (0.044 R)
• M2: 637,287 km (0.053 R)
• M3: 1,472,791 km (0.094 R)
• M4: 1,802,355 km (0.101 R)
• M5: 2,446,075 km (0.11 R)
• M6: 2,616,916 km (0.036 R)
• M7: 3,473,962 km (0.092 R)
• M8: 4,104,367 km (0.113 R)
• M9: 4,856,844 km (0.056 R)
• M10: 5,748,149 km (0.079 R)
• M11: 6,555,827 km (0.115 R)
• M12: 7,041,572 km (0.108 R)
• M13: 8,422,959 km (0.118 R)
• M14: 9,734,483 km (0.069 R)
• M15: 10,832,232 km (0.109 R)
• M16: 11,193,960 km (0.053 R)
• M17: 11,881,512 km (0.084 R)
• M18: 12,812,010 km (0.063 R)
• M19: 13,893,603 km (0.049 R)
• M20: 15,506,567 km (0.112 R)
• M21: 16,567,964 km (0.115 R)
• M22: 17,208,841 km (0.12 R)
• M23: 18,393,208 km (0.066 R)
• M24: 18,796,673 km (0.083 R)
• M25: 20,173,722 km (0.118 R)
• M26: 23,450,962 km (0.054 R)
• M27: 29,041,135 km (0.069 R)
• M28: 30,059,747 km (0.103 R)
• M29: 35,323,348 km (0.062 R)
• M30: 36,540,477 km (0.052 R)
• M31: 39,427,865 km (0.105 R)
• M32: 40,216,396 km (0.117 R)
• M33: 42,935,636 km (0.12 R)
• M34: 43,140,585 km (0.087 R)
• M35: 44,380,752 km (0.067 R)
• M36: 45,849,653 km (0.112 R)
• M37: 48,641,448 km (0.103 R)
• M38: 49,517,194 km (0.052 R)
• M39: 56,568,789 km (0.076 R)
• M40: 58,584,471 km (0.109 R)
• M41: 59,304,186 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.6

Radius: 6

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 8.96 AU - 9.78 AU

Year: 19127 Days

Day: 16.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,394,395 km

• M1: 143,464 km (0.06 R)
• M2: 342,729 km (0.076 R)
• M3: 557,850 km (0.062 R)
• M4: 1,853,069 km (0.084 R)
• M5: 3,021,578 km (0.079 R)
• M6: 3,346,654 km (0.087 R)
• M7: 4,219,408 km (0.119 R)
• M8: 5,067,628 km (0.098 R)
• M9: 5,227,398 km (0.085 R)
• M10: 5,688,160 km (0.051 R)
• M11: 5,857,355 km (0.111 R)
• M12: 7,379,065 km (0.096 R)
• M13: 12,205,690 km (0.06 R)
• M14: 12,404,207 km (0.114 R)
• M15: 13,162,817 km (0.076 R)
• M16: 17,769,534 km (0.104 R)
• M17: 18,432,103 km (0.056 R)
• M18: 20,879,225 km (0.108 R)
• M19: 25,226,839 km (0.082 R)
• M20: 25,871,306 km (0.107 R)
• M21: 26,963,520 km (0.114 R)
• M22: 28,682,250 km (0.081 R)
• M23: 29,369,204 km (0.114 R)
• M24: 30,846,333 km (0.09 R)
• M25: 31,479,132 km (0.082 R)
• M26: 39,932,908 km (0.114 R)
• M27: 40,562,415 km (0.112 R)
• M28: 45,775,452 km (0.048 R)
• M29: 49,193,913 km (0.105 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 11,095 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit