🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.59 AU - 0.73 AU

Year: 352 Days

Day: 18.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 12.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 20,584,932 km

• M1: 561,590 km (0.119 R)

Asteroid Belt

Center: 1.19 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.2

Radius: 14.4

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.71 AU - 1.71 AU

Year: 1467 Days

Day: 12.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,584,932 km

• M1: 179,517 km (0.12 R)
• M2: 862,282 km (0.098 R)
• M3: 1,909,617 km (0.067 R)
• M4: 2,670,023 km (0.088 R)
• M5: 4,156,128 km (0.085 R)
• M6: 4,657,580 km (0.09 R)
• M7: 5,286,490 km (0.086 R)
• M8: 6,286,701 km (0.104 R)
• M9: 6,767,359 km (0.065 R)
• M10: 7,354,680 km (0.11 R)
• M11: 8,631,797 km (0.108 R)
• M12: 9,163,318 km (0.114 R)
• M13: 9,617,198 km (0.109 R)
• M14: 10,465,568 km (0.107 R)
• M15: 13,189,296 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377

Radius: 9.3

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.44 AU - 2.12 AU

Year: 1558 Days

Day: 8.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,584,932 km

• M1: 115,639 km (0.092 R)
• M2: 441,314 km (0.107 R)
• M3: 738,265 km (0.045 R)
• M4: 1,399,937 km (0.06 R)
• M5: 1,878,500 km (0.072 R)
• M6: 2,211,505 km (0.117 R)
• M7: 2,708,769 km (0.11 R)
• M8: 3,279,036 km (0.075 R)
• M9: 4,060,236 km (0.071 R)
• M10: 4,714,577 km (0.089 R)
• M11: 5,037,858 km (0.082 R)
• M12: 5,457,929 km (0.098 R)
• M13: 6,693,158 km (0.087 R)
• M14: 8,294,903 km (0.091 R)
• M15: 9,436,035 km (0.081 R)
• M16: 9,951,550 km (0.101 R)
• M17: 10,841,358 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.6

Radius: 12

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.5 AU - 2.44 AU

Year: 1814 Days

Day: 9.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,584,932 km

• M1: 149,897 km (0.094 R)
• M2: 574,306 km (0.091 R)
• M3: 986,149 km (0.094 R)
• M4: 2,585,350 km (0.117 R)
• M5: 3,703,445 km (0.039 R)
• M6: 4,153,286 km (0.118 R)
• M7: 6,844,402 km (0.078 R)
• M8: 8,310,760 km (0.074 R)
• M9: 8,864,272 km (0.071 R)
• M10: 9,540,903 km (0.096 R)
• M11: 11,477,298 km (0.097 R)
• M12: 11,855,631 km (0.117 R)
• M13: 12,478,407 km (0.08 R)
• M14: 13,123,024 km (0.114 R)
• M15: 13,662,923 km (0.085 R)

Asteroid Belt

Center: 2.28 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.7

Radius: 14.3

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.15 AU - 3.03 AU

Year: 2734 Days

Day: 6.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,584,932 km

• M1: 177,872 km (0.057 R)
• M2: 776,712 km (0.11 R)
• M3: 1,844,243 km (0.09 R)
• M4: 2,390,724 km (0.077 R)
• M5: 3,746,978 km (0.115 R)
• M6: 5,229,194 km (0.109 R)
• M7: 6,416,253 km (0.116 R)
• M8: 8,249,575 km (0.04 R)
• M9: 9,889,317 km (0.026 R)
• M10: 10,696,397 km (0.05 R)
• M11: 13,132,898 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.7

Radius: 12.8

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.51 AU - 2.85 AU

Year: 2878 Days

Day: 14.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,584,932 km

• M1: 159,322 km (0.095 R)
• M2: 778,059 km (0.086 R)
• M3: 1,180,028 km (0.104 R)
• M4: 1,626,129 km (0.095 R)
• M5: 2,348,836 km (0.095 R)
• M6: 2,873,476 km (0.106 R)
• M7: 4,336,543 km (0.054 R)
• M8: 4,828,271 km (0.068 R)
• M9: 5,636,100 km (0.114 R)
• M10: 6,223,271 km (0.113 R)
• M11: 6,824,056 km (0.057 R)
• M12: 7,991,069 km (0.048 R)
• M13: 9,898,143 km (0.101 R)
• M14: 10,608,733 km (0.119 R)
• M15: 11,126,192 km (0.094 R)
• M16: 12,052,502 km (0.052 R)
• M17: 12,946,200 km (0.117 R)
• M18: 14,324,445 km (0.077 R)
• M19: 15,141,399 km (0.035 R)
• M20: 15,941,299 km (0.118 R)
• M21: 16,473,867 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.9

Radius: 13.2

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.29 AU - 3.71 AU

Year: 3409 Days

Day: 10.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,584,932 km

• M1: 164,109 km (0.083 R)
• M2: 607,068 km (0.112 R)
• M3: 1,260,661 km (0.083 R)
• M4: 1,862,194 km (0.068 R)
• M5: 2,950,220 km (0.097 R)
• M6: 3,373,133 km (0.046 R)
• M7: 4,871,954 km (0.057 R)
• M8: 5,807,988 km (0.053 R)
• M9: 6,240,625 km (0.115 R)
• M10: 6,667,427 km (0.08 R)
• M11: 7,171,124 km (0.087 R)
• M12: 8,478,011 km (0.05 R)
• M13: 9,036,459 km (0.032 R)
• M14: 9,480,017 km (0.111 R)
• M15: 10,300,412 km (0.106 R)
• M16: 13,351,610 km (0.103 R)
• M17: 14,382,788 km (0.111 R)
• M18: 15,370,134 km (0.092 R)
• M19: 16,202,048 km (0.047 R)
• M20: 17,219,014 km (0.057 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.9

Radius: 14.9

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.27 AU - 4.23 AU

Year: 4764 Days

Day: 10.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,584,932 km

• M1: 185,651 km (0.09 R)
• M2: 757,115 km (0.097 R)
• M3: 1,255,725 km (0.067 R)
• M4: 1,971,251 km (0.101 R)
• M5: 3,257,942 km (0.092 R)
• M6: 3,826,115 km (0.067 R)
• M7: 4,377,234 km (0.034 R)
• M8: 5,233,831 km (0.081 R)
• M9: 7,488,570 km (0.115 R)
• M10: 8,815,354 km (0.099 R)
• M11: 10,517,927 km (0.094 R)
• M12: 11,249,311 km (0.096 R)
• M13: 11,809,705 km (0.102 R)
• M14: 13,292,968 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.5

Radius: 4.1

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 8.74 AU - 8.86 AU

Year: 17125 Days

Day: 24.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,584,932 km

• M1: 51,013 km (0.096 R)
• M2: 407,804 km (0.062 R)
• M3: 736,470 km (0.079 R)
• M4: 1,497,475 km (0.097 R)
• M5: 1,872,666 km (0.09 R)
• M6: 2,452,059 km (0.113 R)
• M7: 2,855,674 km (0.109 R)
• M8: 3,995,610 km (0.108 R)
• M9: 4,850,711 km (0.078 R)
• M10: 6,035,227 km (0.069 R)
• M11: 9,316,207 km (0.043 R)
• M12: 11,749,716 km (0.061 R)
• M13: 12,265,081 km (0.107 R)
• M14: 15,729,767 km (0.069 R)
• M15: 19,734,502 km (0.04 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 15,270 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit