🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.5

Radius: 12.3

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.72 AU - 0.98 AU

Year: 498 Days

Day: 14.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,496,462 km

• M1: 153,039 km (0.089 R)
• M2: 565,330 km (0.101 R)
• M3: 1,151,604 km (0.109 R)
• M4: 2,006,107 km (0.048 R)
• M5: 2,728,964 km (0.086 R)
• M6: 4,693,484 km (0.088 R)
• M7: 5,504,753 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.5

Radius: 8.6

Gravity: 11.08 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.35 AU - 1.55 AU

Year: 1110 Days

Day: 11.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,496,462 km

• M1: 107,710 km (0.047 R)
• M2: 393,891 km (0.069 R)
• M3: 668,702 km (0.098 R)
• M4: 1,039,406 km (0.098 R)
• M5: 1,443,919 km (0.108 R)
• M6: 1,725,761 km (0.099 R)
• M7: 2,065,947 km (0.083 R)
• M8: 4,170,639 km (0.085 R)
• M9: 4,545,232 km (0.08 R)
• M10: 4,826,476 km (0.085 R)
• M11: 5,634,005 km (0.07 R)
• M12: 6,365,539 km (0.087 R)
• M13: 7,134,023 km (0.052 R)
• M14: 8,400,818 km (0.109 R)
• M15: 8,999,957 km (0.115 R)
• M16: 9,445,011 km (0.079 R)
• M17: 9,935,842 km (0.065 R)
• M18: 10,736,639 km (0.106 R)
• M19: 11,102,406 km (0.085 R)
• M20: 11,753,755 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.6

Radius: 14.5

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.91 AU - 1.91 AU

Year: 1678 Days

Day: 6.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,496,462 km

• M1: 183,407 km (0.103 R)
• M2: 652,097 km (0.083 R)
• M3: 1,525,449 km (0.028 R)
• M4: 2,918,355 km (0.098 R)
• M5: 3,921,259 km (0.105 R)
• M6: 4,729,387 km (0.081 R)
• M7: 5,496,226 km (0.099 R)
• M8: 6,067,690 km (0.105 R)
• M9: 7,150,928 km (0.093 R)
• M10: 9,360,040 km (0.105 R)
• M11: 12,137,922 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.5

Radius: 14.7

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.65 AU - 5.05 AU

Year: 5769 Days

Day: 12.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,496,462 km

• M1: 183,557 km (0.109 R)
• M2: 653,892 km (0.075 R)
• M3: 1,985,762 km (0.065 R)
• M4: 3,064,213 km (0.114 R)
• M5: 4,650,699 km (0.071 R)
• M6: 5,458,826 km (0.117 R)
• M7: 6,207,414 km (0.076 R)
• M8: 7,089,293 km (0.034 R)
• M9: 19,681,694 km (0.081 R)
• M10: 21,373,497 km (0.1 R)
• M11: 22,147,815 km (0.109 R)
• M12: 22,940,833 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.5

Radius: 12.7

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.25 AU - 4.45 AU

Year: 5769 Days

Day: 6.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,496,462 km

• M1: 157,975 km (0.064 R)
• M2: 555,457 km (0.117 R)
• M3: 1,574,368 km (0.084 R)
• M4: 1,988,604 km (0.096 R)
• M5: 2,583,705 km (0.098 R)
• M6: 3,085,456 km (0.105 R)
• M7: 3,792,456 km (0.107 R)
• M8: 4,287,325 km (0.064 R)
• M9: 5,024,095 km (0.067 R)
• M10: 5,716,883 km (0.066 R)
• M11: 6,302,708 km (0.07 R)
• M12: 8,550,117 km (0.083 R)
• M13: 9,186,805 km (0.079 R)
• M14: 10,038,316 km (0.094 R)
• M15: 10,892,819 km (0.103 R)
• M16: 12,855,843 km (0.098 R)
• M17: 13,863,833 km (0.087 R)
• M18: 14,683,629 km (0.108 R)
• M19: 16,548,965 km (0.088 R)
• M20: 31,869,433 km (0.11 R)
• M21: 33,921,317 km (0.108 R)
• M22: 34,342,136 km (0.114 R)

Asteroid Belt

Center: 4.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853

Radius: 12.3

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.89 AU - 5.61 AU

Year: 7648 Days

Day: 14.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,496,462 km

• M1: 153,039 km (0.105 R)
• M2: 586,124 km (0.116 R)
• M3: 1,017,864 km (0.096 R)
• M4: 2,492,600 km (0.12 R)
• M5: 3,788,865 km (0.056 R)
• M6: 4,336,094 km (0.117 R)
• M7: 5,178,181 km (0.062 R)
• M8: 7,499,790 km (0.097 R)
• M9: 8,408,597 km (0.086 R)
• M10: 9,622,584 km (0.079 R)
• M11: 10,296,522 km (0.086 R)
• M12: 11,792,501 km (0.047 R)
• M13: 13,194,682 km (0.103 R)
• M14: 14,455,941 km (0.116 R)
• M15: 16,666,100 km (0.119 R)
• M16: 17,851,813 km (0.104 R)
• M17: 20,312,848 km (0.09 R)
• M18: 22,739,325 km (0.083 R)
• M19: 23,161,640 km (0.104 R)
• M20: 23,848,444 km (0.082 R)
• M21: 27,871,280 km (0.097 R)
• M22: 28,550,454 km (0.111 R)
• M23: 29,639,976 km (0.11 R)
• M24: 30,654,399 km (0.091 R)
• M25: 32,007,512 km (0.084 R)
• M26: 38,294,213 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.7

Radius: 12.8

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.26 AU - 6.58 AU

Year: 9158 Days

Day: 8.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,496,462 km

• M1: 164,408 km (0.108 R)
• M2: 1,010,234 km (0.063 R)
• M3: 1,726,659 km (0.068 R)
• M4: 2,574,280 km (0.113 R)
• M5: 3,682,651 km (0.115 R)
• M6: 4,713,231 km (0.057 R)
• M7: 5,175,937 km (0.109 R)
• M8: 5,894,605 km (0.118 R)
• M9: 6,364,043 km (0.095 R)
• M10: 10,674,406 km (0.057 R)
• M11: 12,210,926 km (0.12 R)
• M12: 15,278,431 km (0.118 R)
• M13: 17,840,892 km (0.078 R)
• M14: 19,187,722 km (0.097 R)
• M15: 23,970,665 km (0.116 R)
• M16: 27,877,713 km (0.108 R)
• M17: 29,012,712 km (0.042 R)
• M18: 38,760,808 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.5

Radius: 6

Gravity: 27.24 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.76 AU - 8.3 AU

Year: 11851 Days

Day: 22.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,496,462 km

• M1: 74,799 km (0.073 R)
• M2: 515,813 km (0.119 R)
• M3: 790,774 km (0.069 R)
• M4: 1,503,010 km (0.089 R)
• M5: 2,665,236 km (0.092 R)
• M6: 3,416,367 km (0.118 R)
• M7: 4,393,241 km (0.027 R)
• M8: 6,798,625 km (0.075 R)
• M9: 8,817,897 km (0.09 R)
• M10: 15,039,523 km (0.073 R)
• M11: 20,270,960 km (0.12 R)
• M12: 24,958,161 km (0.089 R)
• M13: 25,975,127 km (0.109 R)
• M14: 30,779,164 km (0.089 R)
• M15: 31,010,591 km (0.117 R)
• M16: 37,839,884 km (0.108 R)
• M17: 43,392,059 km (0.11 R)
• M18: 44,712,111 km (0.108 R)
• M19: 49,147,239 km (0.055 R)
• M20: 49,463,489 km (0.103 R)
• M21: 52,206,665 km (0.072 R)
• M22: 54,879,530 km (0.119 R)
• M23: 56,943,233 km (0.092 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 10,473 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit