🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.62 AU - 2.48 AU

Year: 1022 Days

Day: 29.7 Hours

Environment

Temp: -50 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,707,567 km

• M1: 113,694 km (0.112 R)
• M2: 166,802 km (0.046 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.22 AU - 2.26 AU

Year: 1168 Days

Day: 15.3 Hours

Environment

Temp: -61 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.3

Radius: 10.9

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.42 AU - 7.22 AU

Year: 6203 Days

Day: 10.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,707,567 km

• M1: 135,536 km (0.048 R)
• M2: 563,984 km (0.051 R)
• M3: 1,022,501 km (0.113 R)
• M4: 1,569,431 km (0.118 R)
• M5: 2,036,925 km (0.118 R)
• M6: 2,431,265 km (0.1 R)
• M7: 3,335,883 km (0.076 R)
• M8: 3,865,908 km (0.095 R)
• M9: 4,257,855 km (0.034 R)
• M10: 6,315,723 km (0.089 R)
• M11: 8,159,217 km (0.06 R)
• M12: 8,807,425 km (0.075 R)
• M13: 10,206,614 km (0.091 R)
• M14: 11,419,404 km (0.096 R)
• M15: 11,796,540 km (0.112 R)
• M16: 13,389,009 km (0.036 R)
• M17: 14,021,808 km (0.088 R)
• M18: 15,403,943 km (0.07 R)
• M19: 16,098,676 km (0.07 R)
• M20: 18,957,042 km (0.114 R)
• M21: 20,783,782 km (0.037 R)
• M22: 21,992,533 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.2

Radius: 14.7

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.22 AU - 8.48 AU

Year: 6939 Days

Day: 6.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,707,567 km

• M1: 182,809 km (0.091 R)
• M2: 677,230 km (0.106 R)
• M3: 1,313,170 km (0.115 R)
• M4: 2,094,370 km (0.064 R)
• M5: 2,556,179 km (0.04 R)
• M6: 3,301,924 km (0.112 R)
• M7: 3,763,284 km (0.081 R)
• M8: 4,564,979 km (0.095 R)
• M9: 5,081,092 km (0.119 R)
• M10: 6,760,328 km (0.066 R)
• M11: 7,826,961 km (0.089 R)
• M12: 9,047,380 km (0.114 R)
• M13: 10,007,798 km (0.093 R)
• M14: 10,834,177 km (0.108 R)
• M15: 13,299,999 km (0.086 R)
• M16: 13,764,201 km (0.114 R)
• M17: 14,299,612 km (0.093 R)
• M18: 14,910,569 km (0.077 R)
• M19: 20,598,729 km (0.106 R)
• M20: 21,537,306 km (0.054 R)
• M21: 23,923,093 km (0.047 R)
• M22: 31,513,988 km (0.094 R)
• M23: 33,608,957 km (0.111 R)
• M24: 34,472,436 km (0.077 R)
• M25: 35,129,769 km (0.081 R)
• M26: 37,037,590 km (0.057 R)
• M27: 38,191,588 km (0.031 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.5

Radius: 8.2

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 8.44 AU - 8.56 AU

Year: 8630 Days

Day: 9.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,707,567 km

• M1: 105,766 km (0.066 R)
• M2: 603,478 km (0.079 R)
• M3: 953,836 km (0.074 R)
• M4: 1,283,101 km (0.084 R)
• M5: 1,646,624 km (0.117 R)
• M6: 2,312,035 km (0.091 R)
• M7: 3,232,361 km (0.112 R)
• M8: 3,548,910 km (0.084 R)
• M9: 4,271,019 km (0.093 R)
• M10: 5,839,104 km (0.089 R)
• M11: 7,444,439 km (0.108 R)
• M12: 8,203,498 km (0.05 R)
• M13: 9,234,677 km (0.061 R)
• M14: 10,301,758 km (0.096 R)
• M15: 12,080,028 km (0.064 R)
• M16: 15,148,430 km (0.119 R)
• M17: 15,716,603 km (0.097 R)
• M18: 16,168,239 km (0.058 R)
• M19: 17,575,207 km (0.086 R)
• M20: 18,061,699 km (0.103 R)
• M21: 19,873,329 km (0.074 R)
• M22: 23,101,352 km (0.057 R)
• M23: 24,108,445 km (0.032 R)
• M24: 24,364,706 km (0.074 R)
• M25: 25,940,869 km (0.099 R)
• M26: 27,120,748 km (0.119 R)
• M27: 27,490,853 km (0.108 R)
• M28: 28,241,236 km (0.061 R)
• M29: 31,278,222 km (0.093 R)
• M30: 32,302,519 km (0.11 R)
• M31: 37,532,460 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.9

Radius: 14.8

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.86 AU - 11.74 AU

Year: 10684 Days

Day: 8.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,707,567 km

• M1: 184,005 km (0.07 R)
• M2: 864,526 km (0.113 R)
• M3: 1,942,528 km (0.12 R)
• M4: 3,560,429 km (0.085 R)
• M5: 5,384,027 km (0.109 R)
• M6: 6,137,851 km (0.096 R)
• M7: 6,961,088 km (0.113 R)
• M8: 7,946,190 km (0.045 R)
• M9: 8,542,936 km (0.113 R)
• M10: 9,418,682 km (0.106 R)
• M11: 10,678,745 km (0.07 R)
• M12: 12,108,003 km (0.084 R)
• M13: 12,714,173 km (0.069 R)
• M14: 15,839,423 km (0.113 R)
• M15: 17,850,018 km (0.095 R)
• M16: 19,610,037 km (0.034 R)
• M17: 20,960,906 km (0.118 R)
• M18: 22,463,317 km (0.062 R)
• M19: 23,659,950 km (0.081 R)
• M20: 26,990,298 km (0.076 R)
• M21: 29,196,717 km (0.115 R)
• M22: 30,510,336 km (0.054 R)
• M23: 32,092,334 km (0.08 R)
• M24: 32,786,767 km (0.104 R)
• M25: 34,809,031 km (0.118 R)
• M26: 36,661,352 km (0.077 R)
• M27: 37,547,869 km (0.07 R)
• M28: 43,592,371 km (0.028 R)
• M29: 49,330,646 km (0.082 R)
• M30: 52,460,084 km (0.111 R)
• M31: 54,563,729 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.4

Radius: 5.8

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 13.28 AU - 15.62 AU

Year: 19129 Days

Day: 24.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,707,567 km

• M1: 73,004 km (0.086 R)
• M2: 645,515 km (0.051 R)
• M3: 851,661 km (0.084 R)
• M4: 1,069,475 km (0.084 R)
• M5: 1,324,540 km (0.089 R)
• M6: 2,075,072 km (0.087 R)
• M7: 2,305,303 km (0.053 R)
• M8: 2,713,257 km (0.073 R)
• M9: 3,572,547 km (0.053 R)
• M10: 4,426,451 km (0.119 R)
• M11: 5,474,983 km (0.111 R)
• M12: 6,603,998 km (0.092 R)
• M13: 8,267,227 km (0.116 R)
• M14: 10,292,034 km (0.05 R)
• M15: 14,832,629 km (0.091 R)
• M16: 15,422,194 km (0.095 R)
• M17: 16,787,873 km (0.084 R)
• M18: 21,366,017 km (0.108 R)
• M19: 23,761,527 km (0.038 R)
• M20: 26,330,272 km (0.098 R)
• M21: 27,096,962 km (0.106 R)
• M22: 36,065,503 km (0.042 R)
• M23: 36,536,138 km (0.12 R)
• M24: 37,129,892 km (0.049 R)
• M25: 38,826,931 km (0.07 R)
• M26: 40,828,999 km (0.108 R)
• M27: 41,084,063 km (0.069 R)
• M28: 45,583,070 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.6

Radius: 6.5

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 14.03 AU - 16.77 AU

Year: 21046 Days

Day: 22.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,707,567 km

• M1: 81,232 km (0.087 R)
• M2: 455,675 km (0.109 R)
• M3: 789,428 km (0.094 R)
• M4: 1,092,812 km (0.118 R)
• M5: 1,653,356 km (0.057 R)
• M6: 2,173,956 km (0.03 R)
• M7: 3,752,812 km (0.062 R)
• M8: 4,679,272 km (0.04 R)
• M9: 5,247,893 km (0.104 R)
• M10: 6,362,397 km (0.11 R)
• M11: 10,254,635 km (0.057 R)
• M12: 14,923,584 km (0.101 R)
• M13: 15,855,430 km (0.055 R)
• M14: 19,131,174 km (0.073 R)
• M15: 22,276,021 km (0.114 R)
• M16: 22,645,378 km (0.067 R)
• M17: 24,456,110 km (0.089 R)
• M18: 25,146,804 km (0.118 R)
• M19: 28,796,992 km (0.03 R)
• M20: 32,076,925 km (0.098 R)
• M21: 32,548,009 km (0.094 R)
• M22: 40,726,674 km (0.114 R)
• M23: 49,076,778 km (0.074 R)
• M24: 54,230,275 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.2

Radius: 3.8

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 18.9 AU - 21.1 AU

Year: 31149 Days

Day: 19.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,707,567 km

• M1: 104,868 km (0.091 R)
• M2: 296,952 km (0.104 R)
• M3: 455,376 km (0.084 R)
• M4: 2,176,350 km (0.099 R)
• M5: 3,655,125 km (0.112 R)
• M6: 8,390,945 km (0.034 R)
• M7: 9,640,536 km (0.066 R)
• M8: 18,580,355 km (0.074 R)
• M9: 22,755,781 km (0.083 R)
• M10: 24,665,847 km (0.064 R)
• M11: 38,147,756 km (0.066 R)
• M12: 38,675,089 km (0.118 R)
• M13: 43,355,258 km (0.097 R)
• M14: 46,726,596 km (0.091 R)
• M15: 50,743,299 km (0.051 R)
• M16: 51,541,104 km (0.052 R)
• M17: 57,190,219 km (0.071 R)

Kuiper Belt

Range: 31.5 - 56.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 16,439 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit