🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.48 AU - 0.66 AU

Year: 282 Days

Day: 23.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,235,359 km

• M1: 31,266 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232

Radius: 9.4

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.66 AU - 0.78 AU

Year: 401 Days

Day: 6.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,235,359 km

• M1: 116,986 km (0.117 R)
• M2: 486,343 km (0.075 R)
• M3: 827,276 km (0.063 R)
• M4: 1,342,342 km (0.061 R)
• M5: 1,877,004 km (0.109 R)
• M6: 2,456,397 km (0.086 R)
• M7: 3,063,166 km (0.068 R)
• M8: 3,528,116 km (0.111 R)

Asteroid Belt

Center: 1.03 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.3

Radius: 13.6

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.01 AU - 1.68 AU

Year: 1018 Days

Day: 14.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,235,359 km

• M1: 169,195 km (0.053 R)
• M2: 630,555 km (0.108 R)
• M3: 1,073,365 km (0.078 R)
• M4: 1,598,004 km (0.084 R)
• M5: 2,146,281 km (0.094 R)
• M6: 2,794,638 km (0.087 R)
• M7: 3,283,224 km (0.115 R)
• M8: 4,034,954 km (0.069 R)
• M9: 4,698,720 km (0.1 R)
• M10: 5,758,022 km (0.096 R)
• M11: 6,923,838 km (0.094 R)
• M12: 8,006,628 km (0.105 R)
• M13: 9,114,400 km (0.081 R)
• M14: 9,544,344 km (0.093 R)
• M15: 10,260,619 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.8

Radius: 8

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.64 AU - 1.74 AU

Year: 1441 Days

Day: 7.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,235,359 km

• M1: 108,608 km (0.112 R)
• M2: 414,386 km (0.036 R)
• M3: 734,376 km (0.091 R)
• M4: 1,132,456 km (0.085 R)
• M5: 1,416,692 km (0.047 R)
• M6: 1,669,662 km (0.113 R)
• M7: 1,934,001 km (0.096 R)
• M8: 2,184,279 km (0.05 R)
• M9: 2,977,895 km (0.049 R)
• M10: 3,299,979 km (0.098 R)
• M11: 4,374,391 km (0.118 R)
• M12: 5,807,838 km (0.087 R)
• M13: 6,205,020 km (0.107 R)
• M14: 7,554,842 km (0.102 R)
• M15: 8,468,735 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.7

Radius: 11

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.53 AU - 3.49 AU

Year: 3426 Days

Day: 12.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,235,359 km

• M1: 137,032 km (0.114 R)
• M2: 479,312 km (0.096 R)
• M3: 1,358,049 km (0.092 R)
• M4: 1,775,876 km (0.11 R)
• M5: 2,773,395 km (0.062 R)
• M6: 3,318,679 km (0.1 R)
• M7: 4,088,510 km (0.073 R)
• M8: 4,576,049 km (0.096 R)
• M9: 5,076,305 km (0.099 R)
• M10: 6,926,830 km (0.068 R)
• M11: 8,182,106 km (0.073 R)
• M12: 8,845,124 km (0.063 R)
• M13: 9,583,389 km (0.108 R)
• M14: 10,362,196 km (0.104 R)
• M15: 11,860,718 km (0.119 R)
• M16: 12,280,489 km (0.099 R)
• M17: 13,905,272 km (0.111 R)
• M18: 14,477,484 km (0.099 R)
• M19: 15,668,881 km (0.1 R)
• M20: 16,866,113 km (0.1 R)
• M21: 17,219,164 km (0.082 R)
• M22: 23,342,504 km (0.108 R)
• M23: 23,928,778 km (0.084 R)
• M24: 25,054,352 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.1

Radius: 14.2

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.05 AU - 4.99 AU

Year: 6304 Days

Day: 8.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,235,359 km

• M1: 178,620 km (0.036 R)
• M2: 925,412 km (0.094 R)
• M3: 1,440,328 km (0.118 R)
• M4: 2,258,778 km (0.109 R)
• M5: 5,014,221 km (0.103 R)
• M6: 7,781,483 km (0.03 R)
• M7: 8,564,029 km (0.068 R)
• M8: 10,207,362 km (0.071 R)
• M9: 11,919,809 km (0.083 R)
• M10: 14,308,737 km (0.04 R)
• M11: 19,034,833 km (0.082 R)
• M12: 21,031,366 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.1

Radius: 11.3

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.77 AU - 5.15 AU

Year: 7247 Days

Day: 6.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,235,359 km

• M1: 141,071 km (0.087 R)
• M2: 753,973 km (0.118 R)
• M3: 1,262,307 km (0.103 R)
• M4: 2,361,702 km (0.106 R)
• M5: 5,185,661 km (0.065 R)
• M6: 7,974,165 km (0.099 R)
• M7: 8,482,798 km (0.092 R)
• M8: 9,114,849 km (0.114 R)
• M9: 9,742,412 km (0.117 R)
• M10: 11,161,946 km (0.055 R)
• M11: 12,460,455 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.4

Radius: 7.3

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 5.48 AU - 8.46 AU

Year: 12071 Days

Day: 16.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,235,359 km

• M1: 90,956 km (0.112 R)
• M2: 386,112 km (0.097 R)
• M3: 3,391,234 km (0.063 R)
• M4: 3,992,169 km (0.095 R)
• M5: 4,251,721 km (0.112 R)
• M6: 5,038,755 km (0.07 R)
• M7: 5,787,493 km (0.092 R)
• M8: 8,269,321 km (0.07 R)
• M9: 12,667,499 km (0.08 R)
• M10: 14,830,684 km (0.049 R)
• M11: 19,575,779 km (0.096 R)
• M12: 27,693,558 km (0.105 R)
• M13: 28,164,043 km (0.073 R)
• M14: 29,902,071 km (0.084 R)
• M15: 39,318,509 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.6

Radius: 5.5

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.2 AU - 8.68 AU

Year: 13313 Days

Day: 18.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,235,359 km

• M1: 69,114 km (0.112 R)
• M2: 272,717 km (0.086 R)
• M3: 496,067 km (0.109 R)
• M4: 1,185,713 km (0.083 R)
• M5: 1,675,197 km (0.073 R)
• M6: 1,926,821 km (0.059 R)
• M7: 2,414,659 km (0.077 R)
• M8: 3,351,890 km (0.076 R)
• M9: 3,679,958 km (0.077 R)
• M10: 4,238,706 km (0.092 R)
• M11: 6,323,203 km (0.114 R)
• M12: 6,499,279 km (0.118 R)
• M13: 6,861,157 km (0.117 R)
• M14: 7,312,942 km (0.108 R)
• M15: 7,585,659 km (0.115 R)
• M16: 10,450,608 km (0.073 R)
• M17: 11,721,592 km (0.083 R)
• M18: 11,987,577 km (0.028 R)
• M19: 14,023,604 km (0.058 R)
• M20: 14,566,494 km (0.089 R)
• M21: 15,694,013 km (0.117 R)
• M22: 17,013,766 km (0.119 R)
• M23: 22,134,202 km (0.081 R)
• M24: 22,869,774 km (0.118 R)
• M25: 28,480,443 km (0.08 R)
• M26: 32,585,857 km (0.109 R)
• M27: 33,111,993 km (0.084 R)
• M28: 35,828,092 km (0.077 R)
• M29: 37,642,265 km (0.082 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 14,887 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit