🌌 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: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.4

Radius: 14.7

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.69 AU - 1.03 AU

Year: 551 Days

Day: 9.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,207,488 km

• M1: 183,257 km (0.111 R)
• M2: 820,544 km (0.066 R)
• M3: 1,353,113 km (0.049 R)
• M4: 2,167,524 km (0.105 R)
• M5: 3,381,211 km (0.095 R)
• M6: 3,851,397 km (0.067 R)
• M7: 4,350,456 km (0.101 R)
• M8: 4,925,959 km (0.079 R)
• M9: 5,408,561 km (0.029 R)
• M10: 6,310,038 km (0.074 R)
• M11: 7,266,118 km (0.118 R)
• M12: 7,733,761 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404

Radius: 11.2

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.84 AU - 1.04 AU

Year: 629 Days

Day: 11.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,207,488 km

• M1: 139,276 km (0.061 R)
• M2: 528,380 km (0.061 R)
• M3: 988,692 km (0.063 R)
• M4: 1,455,886 km (0.111 R)
• M5: 1,943,426 km (0.104 R)
• M6: 2,393,416 km (0.108 R)
• M7: 3,299,531 km (0.028 R)
• M8: 3,812,053 km (0.113 R)
• M9: 4,319,788 km (0.079 R)
• M10: 5,045,338 km (0.118 R)
• M11: 5,538,861 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.7

Radius: 12.1

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.44 AU - 1.66 AU

Year: 1332 Days

Day: 8.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 87,207,488 km

• M1: 150,645 km (0.044 R)
• M2: 1,810,433 km (0.074 R)
• M3: 2,849,989 km (0.099 R)
• M4: 3,479,048 km (0.099 R)
• M5: 3,940,109 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.8

Radius: 13.7

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.84 AU - 2.84 AU

Year: 2471 Days

Day: 11.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,207,488 km

• M1: 171,589 km (0.083 R)
• M2: 781,798 km (0.044 R)
• M3: 1,248,095 km (0.084 R)
• M4: 1,774,380 km (0.11 R)
• M5: 2,369,181 km (0.112 R)
• M6: 3,761,638 km (0.095 R)
• M7: 5,668,413 km (0.067 R)
• M8: 6,724,125 km (0.061 R)
• M9: 7,256,095 km (0.063 R)
• M10: 8,923,214 km (0.093 R)
• M11: 10,833,130 km (0.108 R)
• M12: 13,477,871 km (0.078 R)
• M13: 14,601,201 km (0.12 R)
• M14: 16,477,158 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.6

Radius: 13.3

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.6 AU - 2.94 AU

Year: 3182 Days

Day: 11.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,207,488 km

• M1: 165,455 km (0.107 R)
• M2: 615,296 km (0.102 R)
• M3: 1,344,735 km (0.075 R)
• M4: 1,938,639 km (0.105 R)
• M5: 2,592,531 km (0.11 R)
• M6: 3,167,436 km (0.108 R)
• M7: 3,704,043 km (0.057 R)
• M8: 4,323,378 km (0.118 R)
• M9: 5,011,229 km (0.071 R)
• M10: 6,486,264 km (0.118 R)
• M11: 7,686,189 km (0.091 R)
• M12: 8,410,243 km (0.097 R)
• M13: 8,881,027 km (0.075 R)
• M14: 9,331,018 km (0.114 R)
• M15: 11,156,560 km (0.114 R)
• M16: 12,452,676 km (0.06 R)
• M17: 13,698,079 km (0.083 R)
• M18: 14,711,455 km (0.112 R)
• M19: 15,183,436 km (0.038 R)
• M20: 19,269,851 km (0.09 R)
• M21: 23,111,225 km (0.035 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.9

Radius: 13.3

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.38 AU - 3.3 AU

Year: 3304 Days

Day: 5.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,207,488 km

• M1: 165,605 km (0.116 R)
• M2: 640,279 km (0.114 R)
• M3: 1,792,482 km (0.076 R)
• M4: 2,621,553 km (0.12 R)
• M5: 3,134,225 km (0.102 R)
• M6: 3,612,190 km (0.067 R)
• M7: 4,456,072 km (0.1 R)
• M8: 4,987,743 km (0.115 R)
• M9: 5,480,817 km (0.078 R)
• M10: 6,006,504 km (0.109 R)
• M11: 6,535,482 km (0.108 R)
• M12: 7,159,604 km (0.081 R)
• M13: 8,099,827 km (0.12 R)
• M14: 8,970,038 km (0.035 R)
• M15: 9,389,211 km (0.098 R)
• M16: 10,432,507 km (0.112 R)
• M17: 11,418,506 km (0.113 R)
• M18: 15,228,914 km (0.078 R)
• M19: 18,869,527 km (0.081 R)
• M20: 19,306,952 km (0.083 R)
• M21: 20,397,370 km (0.075 R)
• M22: 23,196,047 km (0.085 R)
• M23: 23,843,058 km (0.099 R)
• M24: 24,798,989 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.7

Radius: 14.3

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.96 AU - 5.74 AU

Year: 7373 Days

Day: 11.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,207,488 km

• M1: 178,021 km (0.098 R)
• M2: 1,350,869 km (0.12 R)
• M3: 3,540,383 km (0.11 R)
• M4: 4,657,281 km (0.095 R)
• M5: 7,723,439 km (0.105 R)
• M6: 9,013,421 km (0.113 R)
• M7: 10,442,829 km (0.115 R)
• M8: 12,683,356 km (0.1 R)
• M9: 14,694,101 km (0.111 R)

Asteroid Belt

Center: 5.27 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.5

Radius: 3

Gravity: 31.17 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.1 AU - 6.28 AU

Year: 9369 Days

Day: 16.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,207,488 km

• M1: 37,250 km (0.071 R)
• M2: 145,409 km (0.089 R)
• M3: 270,772 km (0.094 R)
• M4: 390,002 km (0.114 R)
• M5: 699,968 km (0.089 R)
• M6: 850,464 km (0.094 R)
• M7: 993,779 km (0.091 R)
• M8: 1,238,521 km (0.077 R)
• M9: 2,025,854 km (0.1 R)
• M10: 3,139,461 km (0.063 R)
• M11: 5,163,071 km (0.059 R)
• M12: 6,275,631 km (0.098 R)
• M13: 6,542,962 km (0.106 R)
• M14: 9,003,249 km (0.088 R)
• M15: 9,780,110 km (0.097 R)
• M16: 10,093,817 km (0.099 R)
• M17: 12,956,672 km (0.103 R)
• M18: 15,700,446 km (0.079 R)
• M19: 16,006,673 km (0.112 R)
• M20: 16,379,471 km (0.101 R)
• M21: 19,432,315 km (0.094 R)
• M22: 19,999,141 km (0.075 R)
• M23: 20,577,038 km (0.063 R)
• M24: 22,843,296 km (0.057 R)
• M25: 23,157,451 km (0.029 R)
• M26: 25,522,145 km (0.115 R)
• M27: 26,287,487 km (0.118 R)
• M28: 28,857,579 km (0.103 R)
• M29: 31,011,190 km (0.087 R)
• M30: 32,274,693 km (0.076 R)
• M31: 33,673,134 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.7

Radius: 7.9

Gravity: 15.43 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.75 AU - 7.23 AU

Year: 10119 Days

Day: 22.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,207,488 km

• M1: 99,483 km (0.114 R)
• M2: 363,672 km (0.117 R)
• M3: 1,015,171 km (0.108 R)
• M4: 1,348,774 km (0.051 R)
• M5: 2,004,462 km (0.112 R)
• M6: 2,316,523 km (0.09 R)
• M7: 3,253,604 km (0.07 R)
• M8: 3,581,373 km (0.033 R)
• M9: 4,363,171 km (0.031 R)
• M10: 8,842,730 km (0.069 R)
• M11: 9,183,963 km (0.096 R)
• M12: 11,766,321 km (0.105 R)
• M13: 20,344,862 km (0.067 R)
• M14: 37,923,659 km (0.117 R)
• M15: 44,395,113 km (0.106 R)
• M16: 44,679,648 km (0.06 R)
• M17: 48,641,299 km (0.11 R)
• M18: 50,784,887 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 760.9

Radius: 3.9

Gravity: 50.03 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 9.46 AU - 11.42 AU

Year: 23284 Days

Day: 15.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 87,207,488 km

• M1: 48,619 km (0.11 R)
• M2: 308,770 km (0.104 R)
• M3: 684,859 km (0.038 R)
• M4: 1,028,186 km (0.086 R)
• M5: 1,377,946 km (0.093 R)
• M6: 1,616,106 km (0.087 R)
• M7: 2,003,115 km (0.104 R)
• M8: 2,354,970 km (0.076 R)
• M9: 3,096,078 km (0.088 R)
• M10: 4,499,306 km (0.101 R)
• M11: 4,681,665 km (0.061 R)
• M12: 5,420,080 km (0.081 R)
• M13: 5,626,675 km (0.057 R)
• M14: 8,367,308 km (0.04 R)
• M15: 9,389,510 km (0.08 R)
• M16: 10,878,159 km (0.065 R)
• M17: 11,008,907 km (0.077 R)
• M18: 23,984,578 km (0.068 R)
• M19: 24,317,433 km (0.107 R)
• M20: 28,681,053 km (0.068 R)
• M21: 29,181,907 km (0.072 R)
• M22: 30,589,174 km (0.079 R)
• M23: 31,375,610 km (0.117 R)
• M24: 32,041,171 km (0.093 R)
• M25: 35,081,748 km (0.066 R)
• M26: 35,224,464 km (0.106 R)
• M27: 45,515,900 km (0.096 R)
• M28: 48,105,140 km (0.097 R)
• M29: 50,791,020 km (0.076 R)
• M30: 55,680,178 km (0.063 R)
• M31: 56,851,230 km (0.065 R)
• M32: 57,245,271 km (0.083 R)
• M33: 58,438,164 km (0.088 R)
• M34: 59,242,702 km (0.098 R)
• M35: 65,296,927 km (0.112 R)
• M36: 67,036,751 km (0.115 R)
• M37: 77,161,235 km (0.097 R)
• M38: 79,105,110 km (0.065 R)
• M39: 81,830,933 km (0.119 R)
• M40: 82,333,283 km (0.103 R)
• M41: 86,946,282 km (0.048 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 15,159 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit