🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.49 AU - 0.67 AU

Year: 290 Days

Day: 41.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.8

Radius: 11.8

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.94 AU - 1.34 AU

Year: 798 Days

Day: 9.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,956,906 km

• M1: 150,346 km (0.108 R)
• M2: 544,387 km (0.078 R)
• M3: 996,023 km (0.086 R)
• M4: 1,367,773 km (0.089 R)
• M5: 1,852,919 km (0.074 R)
• M6: 2,225,119 km (0.101 R)
• M7: 2,916,859 km (0.064 R)
• M8: 3,313,892 km (0.084 R)
• M9: 4,202,055 km (0.083 R)
• M10: 4,853,853 km (0.103 R)
• M11: 5,242,209 km (0.052 R)
• M12: 5,792,729 km (0.113 R)
• M13: 6,424,929 km (0.026 R)
• M14: 6,917,406 km (0.093 R)
• M15: 7,291,251 km (0.12 R)
• M16: 7,978,354 km (0.116 R)
• M17: 8,627,758 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207

Radius: 9.5

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.34 AU - 1.5 AU

Year: 1110 Days

Day: 11.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,956,906 km

• M1: 118,332 km (0.054 R)
• M2: 558,598 km (0.112 R)
• M3: 1,076,656 km (0.11 R)
• M4: 1,903,184 km (0.052 R)
• M5: 2,346,742 km (0.087 R)
• M6: 3,521,384 km (0.108 R)
• M7: 4,105,265 km (0.095 R)
• M8: 5,448,055 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.2

Radius: 14.1

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.03 AU - 2.11 AU

Year: 1954 Days

Day: 14.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,956,906 km

• M1: 179,517 km (0.087 R)
• M2: 723,605 km (0.091 R)
• M3: 1,486,853 km (0.115 R)
• M4: 2,122,943 km (0.11 R)
• M5: 2,572,784 km (0.082 R)
• M6: 3,369,542 km (0.111 R)
• M7: 3,826,863 km (0.095 R)
• M8: 4,403,413 km (0.113 R)
• M9: 7,176,659 km (0.075 R)
• M10: 8,087,560 km (0.029 R)
• M11: 8,883,271 km (0.082 R)
• M12: 9,730,743 km (0.084 R)
• M13: 10,738,734 km (0.119 R)
• M14: 12,320,881 km (0.091 R)
• M15: 14,710,108 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.4

Radius: 14.3

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.23 AU - 3.49 AU

Year: 3173 Days

Day: 5.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,956,906 km

• M1: 178,021 km (0.066 R)
• M2: 742,155 km (0.091 R)
• M3: 1,352,664 km (0.094 R)
• M4: 2,030,043 km (0.08 R)
• M5: 3,835,989 km (0.063 R)
• M6: 4,629,755 km (0.095 R)
• M7: 5,346,329 km (0.111 R)
• M8: 5,962,074 km (0.075 R)
• M9: 6,678,049 km (0.116 R)
• M10: 8,343,821 km (0.113 R)
• M11: 11,039,276 km (0.064 R)
• M12: 12,442,504 km (0.077 R)
• M13: 12,894,289 km (0.113 R)
• M14: 13,656,939 km (0.062 R)
• M15: 14,857,462 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.8

Radius: 13.9

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.43 AU - 3.73 AU

Year: 3546 Days

Day: 12.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,956,906 km

• M1: 175,030 km (0.034 R)
• M2: 615,745 km (0.091 R)
• M3: 2,832,187 km (0.117 R)
• M4: 3,913,779 km (0.082 R)
• M5: 5,181,322 km (0.108 R)
• M6: 6,707,071 km (0.062 R)
• M7: 7,782,081 km (0.11 R)
• M8: 8,243,142 km (0.063 R)
• M9: 10,351,574 km (0.077 R)
• M10: 11,743,433 km (0.103 R)
• M11: 12,753,368 km (0.094 R)
• M12: 14,946,473 km (0.095 R)
• M13: 17,829,523 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.6

Radius: 13.8

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.1 AU - 3.3 AU

Year: 3755 Days

Day: 14.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 23,956,906 km

• M1: 174,880 km (0.107 R)
• M2: 679,623 km (0.105 R)
• M3: 1,345,932 km (0.102 R)
• M4: 1,950,457 km (0.115 R)
• M5: 2,554,982 km (0.089 R)
• M6: 3,097,873 km (0.038 R)
• M7: 4,035,851 km (0.06 R)
• M8: 4,512,769 km (0.095 R)
• M9: 4,976,672 km (0.043 R)
• M10: 5,526,594 km (0.047 R)
• M11: 6,029,991 km (0.041 R)
• M12: 7,491,113 km (0.087 R)
• M13: 8,215,616 km (0.089 R)
• M14: 8,836,148 km (0.072 R)
• M15: 9,409,257 km (0.057 R)
• M16: 9,966,509 km (0.103 R)
• M17: 11,191,417 km (0.069 R)
• M18: 13,238,215 km (0.087 R)
• M19: 15,744,129 km (0.094 R)
• M20: 16,417,020 km (0.099 R)
• M21: 16,992,373 km (0.069 R)
• M22: 17,820,398 km (0.107 R)
• M23: 18,799,516 km (0.069 R)
• M24: 20,008,566 km (0.112 R)
• M25: 20,599,028 km (0.087 R)
• M26: 22,160,980 km (0.098 R)
• M27: 24,463,740 km (0.111 R)
• M28: 25,673,089 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.8

Radius: 12.6

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.29 AU - 3.67 AU

Year: 4259 Days

Day: 12.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,956,906 km

• M1: 157,377 km (0.093 R)
• M2: 570,566 km (0.086 R)
• M3: 1,339,948 km (0.086 R)
• M4: 2,195,648 km (0.117 R)
• M5: 2,973,407 km (0.083 R)
• M6: 3,884,159 km (0.116 R)
• M7: 4,287,924 km (0.044 R)
• M8: 4,895,740 km (0.059 R)
• M9: 5,728,701 km (0.118 R)
• M10: 6,467,415 km (0.117 R)
• M11: 7,268,811 km (0.07 R)
• M12: 10,495,487 km (0.093 R)
• M13: 11,061,715 km (0.08 R)
• M14: 13,482,358 km (0.112 R)
• M15: 16,065,315 km (0.101 R)
• M16: 16,467,883 km (0.081 R)
• M17: 17,899,236 km (0.063 R)
• M18: 23,052,284 km (0.105 R)
• M19: 23,564,956 km (0.104 R)
• M20: 25,613,549 km (0.034 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.2

Radius: 9.7

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.69 AU - 4.41 AU

Year: 4388 Days

Day: 11.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 23,956,906 km

• M1: 141,071 km (0.086 R)
• M2: 454,329 km (0.083 R)
• M3: 865,723 km (0.107 R)
• M4: 1,279,660 km (0.06 R)
• M5: 2,307,248 km (0.061 R)
• M6: 2,627,088 km (0.05 R)
• M7: 3,029,207 km (0.067 R)
• M8: 3,338,725 km (0.115 R)
• M9: 3,669,337 km (0.068 R)
• M10: 4,151,640 km (0.102 R)
• M11: 5,040,999 km (0.115 R)
• M12: 5,346,927 km (0.109 R)
• M13: 5,746,653 km (0.098 R)
• M14: 6,606,392 km (0.068 R)
• M15: 9,204,159 km (0.117 R)
• M16: 10,875,915 km (0.047 R)
• M17: 11,783,824 km (0.108 R)
• M18: 12,324,770 km (0.076 R)
• M19: 12,976,867 km (0.091 R)
• M20: 13,799,207 km (0.098 R)
• M21: 15,018,878 km (0.101 R)
• M22: 19,792,546 km (0.102 R)
• M23: 20,751,469 km (0.072 R)
• M24: 22,281,556 km (0.037 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: 453 - 17,547 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit