🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.51 AU - 0.73 AU

Year: 320 Days

Day: 12.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.9

Radius: 13.1

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.53 AU - 0.83 AU

Year: 368 Days

Day: 7.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,469,499 km

• M1: 162,912 km (0.059 R)
• M2: 675,285 km (0.087 R)
• M3: 1,322,146 km (0.102 R)
• M4: 1,809,685 km (0.119 R)
• M5: 2,354,820 km (0.051 R)
• M6: 2,781,324 km (0.069 R)
• M7: 3,466,482 km (0.112 R)
• M8: 3,919,763 km (0.101 R)
• M9: 4,343,574 km (0.046 R)
• M10: 4,827,673 km (0.104 R)
• M11: 5,443,418 km (0.08 R)

Asteroid Belt

Center: 1.05 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.7

Radius: 11.3

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.29 AU - 1.55 AU

Year: 1110 Days

Day: 10 Hours

Environment

Temp: -169 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,469,499 km

• M1: 140,921 km (0.119 R)
• M2: 514,317 km (0.068 R)
• M3: 1,075,758 km (0.111 R)
• M4: 1,542,653 km (0.061 R)
• M5: 2,772,497 km (0.078 R)
• M6: 4,823,783 km (0.044 R)
• M7: 5,612,463 km (0.12 R)
• M8: 6,932,964 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.9

Radius: 8.2

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.31 AU - 1.75 AU

Year: 1241 Days

Day: 7.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,469,499 km

• M1: 102,026 km (0.098 R)
• M2: 397,631 km (0.102 R)
• M3: 692,638 km (0.084 R)
• M4: 1,012,030 km (0.079 R)
• M5: 1,310,777 km (0.068 R)
• M6: 1,625,830 km (0.091 R)
• M7: 2,420,494 km (0.066 R)
• M8: 3,173,270 km (0.105 R)
• M9: 3,500,291 km (0.031 R)
• M10: 4,181,560 km (0.071 R)
• M11: 5,324,936 km (0.114 R)
• M12: 5,619,943 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.6

Radius: 13.9

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.38 AU - 1.76 AU

Year: 1291 Days

Day: 10.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,469,499 km

• M1: 172,935 km (0.052 R)
• M2: 669,750 km (0.103 R)
• M3: 1,311,973 km (0.03 R)
• M4: 1,776,624 km (0.092 R)
• M5: 2,271,644 km (0.077 R)
• M6: 2,982,982 km (0.064 R)
• M7: 3,438,208 km (0.087 R)
• M8: 4,565,877 km (0.11 R)
• M9: 5,113,704 km (0.086 R)
• M10: 6,702,433 km (0.1 R)
• M11: 7,256,095 km (0.103 R)
• M12: 7,922,254 km (0.102 R)
• M13: 8,952,984 km (0.09 R)
• M14: 9,814,967 km (0.118 R)
• M15: 10,563,854 km (0.097 R)
• M16: 11,455,906 km (0.078 R)
• M17: 12,584,622 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.1

Radius: 14.5

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.72 AU - 2.7 AU

Year: 2155 Days

Day: 11.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,469,499 km

• M1: 180,265 km (0.103 R)
• M2: 675,883 km (0.107 R)
• M3: 1,161,179 km (0.065 R)
• M4: 1,633,310 km (0.093 R)
• M5: 2,212,253 km (0.072 R)
• M6: 2,724,776 km (0.101 R)
• M7: 3,316,884 km (0.112 R)
• M8: 4,416,279 km (0.05 R)
• M9: 5,328,676 km (0.113 R)
• M10: 6,086,838 km (0.067 R)
• M11: 11,342,959 km (0.111 R)
• M12: 11,803,721 km (0.084 R)
• M13: 13,644,523 km (0.087 R)
• M14: 15,482,183 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.9

Radius: 9.5

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.88 AU - 2.58 AU

Year: 2185 Days

Day: 12.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,469,499 km

• M1: 118,182 km (0.102 R)
• M2: 535,411 km (0.056 R)
• M3: 892,351 km (0.102 R)
• M4: 1,257,819 km (0.076 R)
• M5: 1,733,989 km (0.117 R)
• M6: 2,195,947 km (0.115 R)
• M7: 2,954,408 km (0.116 R)
• M8: 3,385,699 km (0.1 R)
• M9: 4,803,737 km (0.117 R)
• M10: 7,588,801 km (0.091 R)
• M11: 9,619,442 km (0.04 R)
• M12: 10,913,314 km (0.109 R)
• M13: 14,533,284 km (0.12 R)
• M14: 15,932,024 km (0.108 R)
• M15: 17,260,602 km (0.03 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.5

Radius: 14

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.36 AU - 3.62 AU

Year: 3392 Days

Day: 5.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,469,499 km

• M1: 236,215 km (0.086 R)
• M2: 729,439 km (0.085 R)
• M3: 1,331,122 km (0.089 R)
• M4: 2,300,067 km (0.101 R)
• M5: 2,853,430 km (0.082 R)
• M6: 3,300,129 km (0.095 R)
• M7: 3,910,040 km (0.062 R)
• M8: 4,885,866 km (0.071 R)
• M9: 6,590,534 km (0.074 R)
• M10: 7,501,585 km (0.113 R)
• M11: 8,697,321 km (0.088 R)
• M12: 9,867,775 km (0.114 R)
• M13: 10,626,685 km (0.036 R)
• M14: 11,506,171 km (0.116 R)
• M15: 12,563,977 km (0.103 R)
• M16: 13,139,181 km (0.094 R)
• M17: 15,617,719 km (0.094 R)
• M18: 17,891,157 km (0.101 R)
• M19: 19,543,915 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 381.3

Radius: 3.8

Gravity: 26.41 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.23 AU - 6.39 AU

Year: 10398 Days

Day: 17.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,469,499 km

• M1: 47,572 km (0.092 R)
• M2: 222,302 km (0.109 R)
• M3: 489,484 km (0.115 R)
• M4: 641,775 km (0.082 R)
• M5: 1,205,460 km (0.087 R)
• M6: 1,526,497 km (0.086 R)
• M7: 2,061,758 km (0.107 R)
• M8: 2,195,947 km (0.089 R)
• M9: 3,306,113 km (0.112 R)
• M10: 3,854,838 km (0.082 R)
• M11: 4,270,870 km (0.092 R)
• M12: 4,949,894 km (0.083 R)
• M13: 5,284,096 km (0.1 R)
• M14: 6,099,255 km (0.117 R)
• M15: 7,184,139 km (0.046 R)
• M16: 8,519,150 km (0.104 R)
• M17: 8,866,067 km (0.079 R)
• M18: 9,868,672 km (0.098 R)
• M19: 11,199,495 km (0.051 R)
• M20: 13,384,073 km (0.114 R)
• M21: 15,324,207 km (0.092 R)
• M22: 25,937,877 km (0.079 R)
• M23: 27,034,280 km (0.029 R)
• M24: 30,408,011 km (0.11 R)
• M25: 33,943,757 km (0.119 R)
• M26: 34,813,818 km (0.1 R)
• M27: 35,810,289 km (0.083 R)
• M28: 38,325,778 km (0.12 R)
• M29: 38,795,365 km (0.11 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 557 - 17,713 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit