🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.5

Radius: 8.6

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.93 AU - 1.41 AU

Year: 844 Days

Day: 11.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 55.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,228,305 km

• M1: 107,112 km (0.106 R)
• M2: 387,608 km (0.033 R)
• M3: 690,394 km (0.118 R)
• M4: 1,344,137 km (0.089 R)
• M5: 2,258,928 km (0.114 R)
• M6: 2,761,277 km (0.085 R)
• M7: 3,243,880 km (0.087 R)
• M8: 4,034,355 km (0.115 R)
• M9: 4,573,506 km (0.113 R)
• M10: 5,017,513 km (0.099 R)
• M11: 7,154,668 km (0.048 R)
• M12: 8,286,525 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.7

Radius: 9.7

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.16 AU - 1.82 AU

Year: 1213 Days

Day: 11.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,228,305 km

• M1: 124,465 km (0.115 R)
• M2: 438,621 km (0.048 R)
• M3: 767,437 km (0.091 R)
• M4: 1,268,740 km (0.119 R)
• M5: 1,665,623 km (0.063 R)
• M6: 2,494,096 km (0.07 R)
• M7: 2,829,195 km (0.104 R)
• M8: 5,059,400 km (0.109 R)
• M9: 5,600,346 km (0.1 R)
• M10: 7,012,849 km (0.031 R)
• M11: 7,634,428 km (0.053 R)
• M12: 8,184,649 km (0.107 R)
• M13: 8,733,075 km (0.114 R)
• M14: 9,482,411 km (0.107 R)
• M15: 9,812,124 km (0.071 R)
• M16: 10,782,715 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.6

Radius: 12.2

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.45 AU - 1.81 AU

Year: 1388 Days

Day: 11.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,228,305 km

• M1: 151,842 km (0.086 R)
• M2: 603,478 km (0.062 R)
• M3: 1,342,940 km (0.099 R)
• M4: 2,058,616 km (0.118 R)
• M5: 2,597,468 km (0.111 R)
• M6: 4,651,746 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.9

Radius: 14.3

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.57 AU - 2.91 AU

Year: 3025 Days

Day: 13.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,228,305 km

• M1: 177,872 km (0.031 R)
• M2: 1,702,125 km (0.095 R)
• M3: 2,789,551 km (0.095 R)
• M4: 3,480,544 km (0.078 R)
• M5: 4,333,551 km (0.104 R)
• M6: 5,517,319 km (0.109 R)
• M7: 6,589,337 km (0.115 R)
• M8: 8,281,589 km (0.07 R)
• M9: 9,979,076 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.9

Radius: 9.3

Gravity: 11.26 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.17 AU - 5.61 AU

Year: 7211 Days

Day: 14.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,228,305 km

• M1: 115,938 km (0.108 R)
• M2: 634,744 km (0.086 R)
• M3: 956,978 km (0.081 R)
• M4: 1,282,802 km (0.092 R)
• M5: 1,953,150 km (0.086 R)
• M6: 3,480,993 km (0.115 R)
• M7: 5,616,652 km (0.091 R)
• M8: 6,442,283 km (0.056 R)
• M9: 6,884,344 km (0.107 R)
• M10: 8,162,957 km (0.105 R)
• M11: 8,814,007 km (0.091 R)
• M12: 10,924,085 km (0.058 R)
• M13: 12,374,137 km (0.043 R)
• M14: 12,884,865 km (0.084 R)
• M15: 16,249,620 km (0.084 R)
• M16: 24,387,594 km (0.071 R)
• M17: 27,705,675 km (0.117 R)
• M18: 29,774,165 km (0.063 R)
• M19: 32,689,379 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171.6

Radius: 6.9

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.49 AU - 7.35 AU

Year: 10848 Days

Day: 23 Hours

Environment

Temp: -218 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,228,305 km

• M1: 85,869 km (0.112 R)
• M2: 443,408 km (0.09 R)
• M3: 910,901 km (0.103 R)
• M4: 1,582,596 km (0.09 R)
• M5: 2,076,418 km (0.107 R)
• M6: 2,392,818 km (0.052 R)
• M7: 3,473,962 km (0.04 R)
• M8: 4,183,205 km (0.108 R)
• M9: 5,012,426 km (0.058 R)
• M10: 7,096,175 km (0.078 R)
• M11: 7,522,379 km (0.118 R)
• M12: 9,569,028 km (0.093 R)
• M13: 10,858,561 km (0.109 R)
• M14: 11,424,640 km (0.114 R)
• M15: 14,837,715 km (0.113 R)
• M16: 18,674,452 km (0.116 R)
• M17: 19,145,236 km (0.059 R)
• M18: 20,819,835 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.4

Radius: 4.8

Gravity: 21.02 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.75 AU - 7.33 AU

Year: 11153 Days

Day: 15.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,228,305 km

• M1: 60,587 km (0.064 R)
• M2: 230,530 km (0.105 R)
• M3: 1,013,526 km (0.076 R)
• M4: 1,520,812 km (0.093 R)
• M5: 1,723,068 km (0.054 R)
• M6: 2,308,445 km (0.084 R)
• M7: 4,074,448 km (0.09 R)
• M8: 5,132,254 km (0.112 R)
• M9: 5,827,585 km (0.096 R)
• M10: 6,546,253 km (0.115 R)
• M11: 7,162,447 km (0.054 R)
• M12: 7,858,526 km (0.06 R)
• M13: 8,288,620 km (0.08 R)
• M14: 8,643,765 km (0.074 R)
• M15: 15,859,768 km (0.105 R)
• M16: 19,721,188 km (0.112 R)
• M17: 20,035,792 km (0.101 R)
• M18: 20,513,907 km (0.118 R)
• M19: 23,631,976 km (0.104 R)
• M20: 28,327,554 km (0.103 R)
• M21: 39,013,928 km (0.041 R)
• M22: 42,703,311 km (0.059 R)
• M23: 43,361,990 km (0.117 R)
• M24: 43,760,519 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.5

Radius: 4.5

Gravity: 47.78 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.19 AU - 7.87 AU

Year: 12430 Days

Day: 21.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 74,228,305 km

• M1: 104,270 km (0.074 R)
• M2: 257,308 km (0.085 R)
• M3: 442,959 km (0.1 R)
• M4: 591,061 km (0.03 R)
• M5: 893,398 km (0.057 R)
• M6: 1,650,663 km (0.09 R)
• M7: 3,202,292 km (0.051 R)
• M8: 4,061,283 km (0.046 R)
• M9: 4,592,655 km (0.083 R)
• M10: 5,529,736 km (0.05 R)
• M11: 5,678,586 km (0.101 R)
• M12: 7,867,202 km (0.103 R)
• M13: 8,942,063 km (0.116 R)
• M14: 10,000,917 km (0.119 R)
• M15: 10,447,018 km (0.07 R)
• M16: 11,620,015 km (0.104 R)
• M17: 12,813,357 km (0.11 R)
• M18: 14,016,872 km (0.087 R)
• M19: 14,364,238 km (0.117 R)
• M20: 14,788,498 km (0.12 R)
• M21: 16,723,995 km (0.102 R)
• M22: 17,351,857 km (0.12 R)
• M23: 18,571,379 km (0.106 R)
• M24: 18,990,253 km (0.107 R)
• M25: 20,908,546 km (0.073 R)
• M26: 23,434,357 km (0.076 R)
• M27: 25,124,962 km (0.082 R)
• M28: 27,215,892 km (0.105 R)
• M29: 28,193,664 km (0.055 R)
• M30: 29,989,137 km (0.064 R)
• M31: 30,449,599 km (0.117 R)
• M32: 32,580,322 km (0.109 R)
• M33: 42,675,635 km (0.084 R)
• M34: 46,403,464 km (0.05 R)
• M35: 47,484,907 km (0.031 R)
• M36: 48,110,226 km (0.111 R)
• M37: 51,813,372 km (0.063 R)
• M38: 52,977,094 km (0.072 R)
• M39: 53,144,793 km (0.074 R)
• M40: 53,312,792 km (0.071 R)
• M41: 61,800,077 km (0.04 R)
• M42: 61,985,878 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.5

Radius: 5.6

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.76 AU - 7.64 AU

Year: 12883 Days

Day: 23.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,228,305 km

• M1: 69,862 km (0.104 R)
• M2: 515,215 km (0.085 R)
• M3: 1,065,885 km (0.092 R)
• M4: 1,691,952 km (0.059 R)
• M5: 3,280,681 km (0.118 R)
• M6: 4,736,717 km (0.109 R)
• M7: 6,509,153 km (0.08 R)
• M8: 6,924,437 km (0.119 R)
• M9: 7,320,572 km (0.103 R)
• M10: 7,542,874 km (0.111 R)
• M11: 9,975,784 km (0.095 R)
• M12: 10,203,323 km (0.11 R)
• M13: 11,642,155 km (0.083 R)
• M14: 12,779,697 km (0.12 R)
• M15: 18,686,120 km (0.058 R)
• M16: 21,802,992 km (0.088 R)
• M17: 24,831,601 km (0.12 R)
• M18: 26,445,912 km (0.079 R)
• M19: 26,794,475 km (0.106 R)
• M20: 28,950,778 km (0.063 R)
• M21: 31,414,057 km (0.064 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 702.1

Radius: 4.3

Gravity: 37.97 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 9.13 AU - 9.55 AU

Year: 19035 Days

Day: 19.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 61.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 74,228,305 km

• M1: 53,556 km (0.111 R)
• M2: 270,323 km (0.081 R)
• M3: 486,043 km (0.099 R)
• M4: 1,297,911 km (0.085 R)
• M5: 1,630,018 km (0.114 R)
• M6: 1,996,683 km (0.093 R)
• M7: 2,241,874 km (0.115 R)
• M8: 2,646,985 km (0.117 R)
• M9: 3,690,131 km (0.031 R)
• M10: 4,253,516 km (0.078 R)
• M11: 4,624,818 km (0.083 R)
• M12: 7,086,601 km (0.082 R)
• M13: 7,511,309 km (0.077 R)
• M14: 8,620,727 km (0.072 R)
• M15: 9,049,923 km (0.069 R)
• M16: 10,971,807 km (0.113 R)
• M17: 12,060,730 km (0.096 R)
• M18: 12,940,665 km (0.088 R)
• M19: 15,056,278 km (0.106 R)
• M20: 15,365,048 km (0.086 R)
• M21: 15,520,929 km (0.099 R)
• M22: 17,902,976 km (0.11 R)
• M23: 19,497,988 km (0.112 R)
• M24: 19,957,254 km (0.103 R)
• M25: 20,612,343 km (0.074 R)
• M26: 23,069,039 km (0.105 R)
• M27: 23,273,689 km (0.045 R)
• M28: 23,790,400 km (0.1 R)
• M29: 27,739,036 km (0.104 R)
• M30: 29,989,137 km (0.111 R)
• M31: 30,477,873 km (0.11 R)
• M32: 40,652,623 km (0.105 R)
• M33: 40,801,622 km (0.037 R)
• M34: 43,860,301 km (0.087 R)
• M35: 48,227,212 km (0.079 R)
• M36: 49,744,882 km (0.083 R)
• M37: 52,875,068 km (0.051 R)
• M38: 53,946,937 km (0.081 R)
• M39: 55,398,485 km (0.075 R)
• M40: 58,001,039 km (0.03 R)
• M41: 58,189,981 km (0.091 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 17,760 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit