🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.3

Radius: 10.7

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.45 AU - 0.59 AU

Year: 250 Days

Day: 13.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,523,442 km

• M1: 133,591 km (0.086 R)
• M2: 501,602 km (0.119 R)
• M3: 872,006 km (0.099 R)
• M4: 1,232,238 km (0.096 R)
• M5: 1,649,915 km (0.026 R)
• M6: 2,038,720 km (0.095 R)
• M7: 2,525,661 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.7

Radius: 8

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.08 AU - 1.36 AU

Year: 899 Days

Day: 10.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,523,442 km

• M1: 101,278 km (0.085 R)
• M2: 413,189 km (0.052 R)
• M3: 730,337 km (0.083 R)
• M4: 1,044,642 km (0.114 R)
• M5: 1,344,436 km (0.066 R)
• M6: 1,727,556 km (0.09 R)
• M7: 2,405,235 km (0.05 R)
• M8: 2,750,506 km (0.08 R)
• M9: 3,076,331 km (0.094 R)
• M10: 3,344,410 km (0.077 R)
• M11: 3,745,931 km (0.047 R)
• M12: 4,020,892 km (0.089 R)
• M13: 4,732,678 km (0.055 R)
• M14: 5,315,063 km (0.095 R)
• M15: 5,623,683 km (0.114 R)
• M16: 6,821,663 km (0.072 R)
• M17: 7,564,416 km (0.117 R)
• M18: 7,881,265 km (0.075 R)
• M19: 8,257,653 km (0.03 R)
• M20: 8,515,260 km (0.115 R)
• M21: 8,831,510 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.3

Radius: 8.6

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.07 AU - 1.39 AU

Year: 910 Days

Day: 13.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,523,442 km

• M1: 109,206 km (0.096 R)
• M2: 452,384 km (0.039 R)
• M3: 746,643 km (0.076 R)
• M4: 1,409,362 km (0.105 R)
• M5: 1,958,535 km (0.076 R)
• M6: 2,721,036 km (0.043 R)
• M7: 3,422,051 km (0.039 R)
• M8: 3,765,977 km (0.095 R)
• M9: 4,264,736 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.3

Radius: 8.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.1 AU - 1.76 AU

Year: 1140 Days

Day: 13 Hours

Environment

Temp: -196 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,523,442 km

• M1: 108,159 km (0.066 R)
• M2: 434,731 km (0.101 R)
• M3: 759,209 km (0.038 R)
• M4: 1,118,094 km (0.103 R)
• M5: 1,447,210 km (0.115 R)
• M6: 2,314,279 km (0.059 R)
• M7: 2,952,464 km (0.059 R)
• M8: 3,301,625 km (0.102 R)
• M9: 4,164,805 km (0.079 R)
• M10: 4,708,892 km (0.113 R)
• M11: 5,479,471 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.3

Radius: 14.1

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.51 AU - 2.05 AU

Year: 1584 Days

Day: 14.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 72,523,442 km

• M1: 176,825 km (0.104 R)
• M2: 829,221 km (0.118 R)
• M3: 2,736,743 km (0.075 R)
• M4: 3,466,183 km (0.051 R)
• M5: 4,493,621 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.6

Radius: 6.2

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.13 AU - 6.71 AU

Year: 10848 Days

Day: 24.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,523,442 km

• M1: 84,074 km (0.092 R)
• M2: 336,446 km (0.103 R)
• M3: 591,809 km (0.082 R)
• M4: 1,126,622 km (0.073 R)
• M5: 1,608,476 km (0.079 R)
• M6: 2,911,474 km (0.11 R)
• M7: 4,657,580 km (0.063 R)
• M8: 7,154,069 km (0.106 R)
• M9: 7,655,671 km (0.074 R)
• M10: 8,728,886 km (0.107 R)
• M11: 10,768,055 km (0.068 R)
• M12: 11,374,973 km (0.113 R)
• M13: 12,491,572 km (0.119 R)
• M14: 12,991,827 km (0.085 R)
• M15: 13,218,318 km (0.088 R)
• M16: 18,111,365 km (0.063 R)
• M17: 20,078,428 km (0.04 R)
• M18: 27,565,502 km (0.109 R)
• M19: 30,756,574 km (0.118 R)
• M20: 36,720,593 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697.9

Radius: 7.6

Gravity: 12.08 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.54 AU - 7.52 AU

Year: 12430 Days

Day: 24.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,523,442 km

• M1: 94,695 km (0.073 R)
• M2: 392,844 km (0.106 R)
• M3: 1,017,565 km (0.079 R)
• M4: 5,200,770 km (0.112 R)
• M5: 6,683,434 km (0.098 R)
• M6: 7,010,755 km (0.063 R)
• M7: 7,565,613 km (0.111 R)
• M8: 12,238,452 km (0.117 R)
• M9: 12,853,748 km (0.119 R)
• M10: 14,013,132 km (0.111 R)
• M11: 17,289,924 km (0.098 R)
• M12: 19,516,389 km (0.043 R)
• M13: 20,612,343 km (0.105 R)
• M14: 21,482,853 km (0.087 R)
• M15: 23,860,561 km (0.101 R)
• M16: 25,606,069 km (0.12 R)
• M17: 37,512,863 km (0.061 R)
• M18: 37,898,676 km (0.074 R)
• M19: 39,733,942 km (0.094 R)
• M20: 41,080,473 km (0.098 R)
• M21: 42,318,246 km (0.06 R)
• M22: 44,867,992 km (0.05 R)
• M23: 52,005,157 km (0.044 R)
• M24: 54,432,980 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.7

Radius: 7.6

Gravity: 12.94 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.23 AU - 9.77 AU

Year: 18005 Days

Day: 16.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,523,442 km

• M1: 97,388 km (0.085 R)
• M2: 350,657 km (0.084 R)
• M3: 678,127 km (0.073 R)
• M4: 1,207,255 km (0.084 R)
• M5: 1,482,964 km (0.075 R)
• M6: 1,730,399 km (0.079 R)
• M7: 2,440,390 km (0.085 R)
• M8: 5,012,576 km (0.063 R)
• M9: 8,161,910 km (0.085 R)
• M10: 8,782,293 km (0.096 R)
• M11: 10,351,574 km (0.118 R)
• M12: 11,016,387 km (0.075 R)
• M13: 11,773,652 km (0.036 R)
• M14: 14,773,837 km (0.108 R)
• M15: 17,062,834 km (0.091 R)
• M16: 19,668,978 km (0.107 R)
• M17: 21,741,059 km (0.083 R)
• M18: 22,529,439 km (0.053 R)
• M19: 23,954,509 km (0.099 R)
• M20: 26,870,919 km (0.107 R)
• M21: 35,788,149 km (0.104 R)
• M22: 39,439,085 km (0.115 R)
• M23: 40,315,579 km (0.068 R)
• M24: 44,735,598 km (0.045 R)
• M25: 47,635,702 km (0.078 R)
• M26: 56,898,054 km (0.067 R)
• M27: 62,835,893 km (0.088 R)
• M28: 63,830,719 km (0.101 R)
• M29: 68,752,489 km (0.093 R)
• M30: 70,234,256 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.4

Radius: 4.7

Gravity: 43.39 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 8.27 AU - 10.75 AU

Year: 19557 Days

Day: 21.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 129.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,523,442 km

• M1: 58,493 km (0.092 R)
• M2: 341,233 km (0.025 R)
• M3: 597,643 km (0.091 R)
• M4: 1,997,880 km (0.106 R)
• M5: 2,530,298 km (0.098 R)
• M6: 3,096,826 km (0.066 R)
• M7: 5,028,284 km (0.067 R)
• M8: 5,501,312 km (0.042 R)
• M9: 6,490,004 km (0.098 R)
• M10: 6,766,312 km (0.111 R)
• M11: 8,536,653 km (0.075 R)
• M12: 11,172,119 km (0.095 R)
• M13: 12,251,318 km (0.084 R)
• M14: 13,770,783 km (0.12 R)
• M15: 16,236,754 km (0.071 R)
• M16: 20,219,798 km (0.108 R)
• M17: 40,586,800 km (0.12 R)
• M18: 47,790,835 km (0.099 R)
• M19: 47,963,770 km (0.032 R)
• M20: 50,428,993 km (0.099 R)
• M21: 55,993,436 km (0.07 R)
• M22: 58,132,087 km (0.119 R)
• M23: 58,724,794 km (0.081 R)
• M24: 73,030,988 km (0.213 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554.9

Radius: 6.9

Gravity: 11.66 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 9.4 AU - 10.34 AU

Year: 20678 Days

Day: 18.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,523,442 km

• M1: 86,916 km (0.071 R)
• M2: 388,057 km (0.101 R)
• M3: 756,666 km (0.096 R)
• M4: 1,204,113 km (0.063 R)
• M5: 1,727,556 km (0.1 R)
• M6: 2,223,024 km (0.11 R)
• M7: 3,550,705 km (0.107 R)
• M8: 4,155,530 km (0.046 R)
• M9: 4,897,834 km (0.074 R)
• M10: 9,304,539 km (0.032 R)
• M11: 16,853,397 km (0.093 R)
• M12: 19,795,987 km (0.104 R)
• M13: 20,441,651 km (0.105 R)
• M14: 21,970,093 km (0.095 R)
• M15: 26,898,296 km (0.116 R)
• M16: 37,592,748 km (0.112 R)
• M17: 41,654,630 km (0.077 R)
• M18: 48,281,366 km (0.119 R)
• M19: 59,106,568 km (0.105 R)
• M20: 63,973,884 km (0.1 R)
• M21: 67,432,138 km (0.103 R)
• M22: 69,946,878 km (0.102 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: 415 - 13,635 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit