🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.47 AU - 0.73 AU

Year: 305 Days

Day: 17.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,741,704 km

• M1: 18,251 km (0.064 R)

Asteroid Belt

Center: 1.03 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.2

Radius: 13.1

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.14 AU - 1.76 AU

Year: 1145 Days

Day: 10.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,741,704 km

• M1: 163,361 km (0.115 R)
• M2: 575,952 km (0.107 R)
• M3: 1,390,213 km (0.082 R)
• M4: 1,811,331 km (0.102 R)
• M5: 2,338,963 km (0.087 R)
• M6: 2,852,383 km (0.111 R)
• M7: 3,350,244 km (0.09 R)
• M8: 3,934,574 km (0.099 R)
• M9: 5,273,923 km (0.072 R)
• M10: 5,707,608 km (0.07 R)
• M11: 6,263,663 km (0.078 R)
• M12: 7,307,407 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.6

Radius: 10

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.33 AU - 1.61 AU

Year: 1169 Days

Day: 13.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,741,704 km

• M1: 124,465 km (0.095 R)
• M2: 526,734 km (0.052 R)
• M3: 867,368 km (0.109 R)
• M4: 1,718,281 km (0.068 R)
• M5: 2,167,524 km (0.071 R)
• M6: 3,051,647 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.2

Radius: 12

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.4 AU - 1.56 AU

Year: 1181 Days

Day: 7.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,741,704 km

• M1: 149,299 km (0.101 R)
• M2: 522,545 km (0.119 R)
• M3: 931,546 km (0.104 R)
• M4: 1,405,023 km (0.094 R)
• M5: 1,805,048 km (0.108 R)
• M6: 2,583,106 km (0.11 R)
• M7: 3,164,444 km (0.113 R)
• M8: 3,588,853 km (0.073 R)
• M9: 4,333,252 km (0.083 R)
• M10: 5,117,145 km (0.109 R)
• M11: 5,639,989 km (0.055 R)
• M12: 6,083,697 km (0.116 R)
• M13: 6,598,912 km (0.07 R)
• M14: 7,168,281 km (0.102 R)
• M15: 8,042,531 km (0.101 R)
• M16: 9,105,873 km (0.074 R)
• M17: 10,722,128 km (0.109 R)
• M18: 11,829,302 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.7

Radius: 8.4

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.26 AU - 1.98 AU

Year: 1353 Days

Day: 13.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,741,704 km

• M1: 104,419 km (0.117 R)
• M2: 405,859 km (0.116 R)
• M3: 891,155 km (0.111 R)
• M4: 1,399,338 km (0.068 R)
• M5: 2,516,087 km (0.07 R)
• M6: 2,999,437 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.3

Radius: 11.6

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.45 AU - 5.49 AU

Year: 7268 Days

Day: 12.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,741,704 km

• M1: 144,212 km (0.119 R)
• M2: 562,338 km (0.113 R)
• M3: 1,253,929 km (0.099 R)
• M4: 1,948,662 km (0.105 R)
• M5: 2,702,186 km (0.038 R)
• M6: 3,843,319 km (0.045 R)
• M7: 4,246,934 km (0.052 R)
• M8: 5,338,849 km (0.101 R)
• M9: 5,873,811 km (0.057 R)
• M10: 6,776,933 km (0.073 R)
• M11: 7,404,795 km (0.089 R)
• M12: 8,577,044 km (0.087 R)
• M13: 9,566,634 km (0.119 R)
• M14: 9,956,785 km (0.117 R)
• M15: 12,836,096 km (0.043 R)
• M16: 13,853,062 km (0.118 R)
• M17: 15,038,775 km (0.101 R)
• M18: 15,626,694 km (0.119 R)
• M19: 16,661,164 km (0.042 R)
• M20: 18,397,397 km (0.047 R)
• M21: 20,968,236 km (0.098 R)
• M22: 22,377,448 km (0.092 R)
• M23: 24,892,188 km (0.085 R)
• M24: 28,382,306 km (0.107 R)
• M25: 32,282,622 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.1

Radius: 9.5

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.24 AU - 5.84 AU

Year: 8554 Days

Day: 5.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 70.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,741,704 km

• M1: 118,182 km (0.028 R)
• M2: 447,597 km (0.111 R)
• M3: 785,090 km (0.089 R)
• M4: 1,081,742 km (0.109 R)
• M5: 1,455,138 km (0.092 R)
• M6: 2,187,570 km (0.103 R)
• M7: 2,542,715 km (0.113 R)
• M8: 3,083,362 km (0.1 R)
• M9: 3,531,856 km (0.087 R)
• M10: 4,421,814 km (0.096 R)
• M11: 4,759,157 km (0.036 R)
• M12: 5,235,925 km (0.11 R)
• M13: 6,896,312 km (0.072 R)
• M14: 7,507,569 km (0.084 R)
• M15: 7,948,434 km (0.095 R)
• M16: 8,794,260 km (0.11 R)
• M17: 9,887,073 km (0.117 R)
• M18: 11,692,570 km (0.11 R)
• M19: 12,785,532 km (0.092 R)
• M20: 15,110,432 km (0.097 R)
• M21: 17,217,967 km (0.083 R)
• M22: 18,485,809 km (0.084 R)
• M23: 19,068,941 km (0.096 R)
• M24: 22,251,486 km (0.119 R)
• M25: 22,745,159 km (0.115 R)
• M26: 33,355,388 km (0.1 R)
• M27: 38,411,647 km (0.076 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.1

Radius: 8.2

Gravity: 14.58 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.77 AU - 6.99 AU

Year: 9354 Days

Day: 6.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,741,704 km

• M1: 102,026 km (0.107 R)
• M2: 449,990 km (0.099 R)
• M3: 869,463 km (0.105 R)
• M4: 1,439,132 km (0.098 R)
• M5: 1,744,311 km (0.089 R)
• M6: 2,629,631 km (0.109 R)
• M7: 2,908,781 km (0.115 R)
• M8: 3,921,708 km (0.074 R)
• M9: 4,894,693 km (0.069 R)
• M10: 5,186,109 km (0.039 R)
• M11: 8,220,253 km (0.078 R)
• M12: 11,632,581 km (0.055 R)
• M13: 11,919,809 km (0.075 R)
• M14: 13,808,183 km (0.034 R)
• M15: 15,539,030 km (0.092 R)
• M16: 15,817,581 km (0.032 R)
• M17: 17,785,990 km (0.109 R)
• M18: 22,026,940 km (0.074 R)
• M19: 25,714,976 km (0.068 R)
• M20: 26,301,550 km (0.104 R)
• M21: 26,997,030 km (0.05 R)
• M22: 28,946,739 km (0.098 R)
• M23: 36,693,515 km (0.037 R)
• M24: 42,515,565 km (0.101 R)
• M25: 43,611,220 km (0.104 R)
• M26: 46,432,486 km (0.094 R)
• M27: 51,196,131 km (0.06 R)

Asteroid Belt

Center: 6.7 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171.8

Radius: 6.3

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 7.15 AU - 7.87 AU

Year: 13501 Days

Day: 23.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,741,704 km

• M1: 78,389 km (0.07 R)
• M2: 967,749 km (0.114 R)
• M3: 1,219,073 km (0.068 R)
• M4: 1,451,249 km (0.103 R)
• M5: 1,740,870 km (0.091 R)
• M6: 3,090,393 km (0.069 R)
• M7: 7,010,455 km (0.114 R)
• M8: 7,879,170 km (0.116 R)
• M9: 8,197,515 km (0.098 R)
• M10: 23,843,657 km (0.114 R)
• M11: 27,299,517 km (0.091 R)
• M12: 28,212,962 km (0.087 R)
• M13: 33,603,721 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771.7

Radius: 3.1

Gravity: 80.3 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.32 AU - 10.12 AU

Year: 16892 Days

Day: 19.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 70,741,704 km

• M1: 49,666 km (0.104 R)
• M2: 151,842 km (0.034 R)
• M3: 263,143 km (0.115 R)
• M4: 508,334 km (0.055 R)
• M5: 1,762,861 km (0.074 R)
• M6: 1,947,465 km (0.063 R)
• M7: 2,124,589 km (0.045 R)
• M8: 3,737,254 km (0.101 R)
• M9: 3,948,935 km (0.06 R)
• M10: 4,297,498 km (0.101 R)
• M11: 4,395,933 km (0.081 R)
• M12: 4,529,674 km (0.099 R)
• M13: 6,311,085 km (0.038 R)
• M14: 7,520,584 km (0.086 R)
• M15: 8,204,845 km (0.039 R)
• M16: 11,547,011 km (0.109 R)
• M17: 13,479,815 km (0.112 R)
• M18: 15,540,676 km (0.095 R)
• M19: 17,549,775 km (0.077 R)
• M20: 17,717,624 km (0.084 R)
• M21: 18,573,024 km (0.088 R)
• M22: 20,737,257 km (0.097 R)
• M23: 27,317,768 km (0.092 R)
• M24: 28,689,132 km (0.083 R)
• M25: 30,105,674 km (0.066 R)
• M26: 33,333,398 km (0.056 R)
• M27: 35,832,879 km (0.06 R)
• M28: 37,474,117 km (0.113 R)
• M29: 39,451,502 km (0.034 R)
• M30: 42,697,327 km (0.094 R)
• M31: 44,385,090 km (0.116 R)
• M32: 45,324,265 km (0.057 R)
• M33: 53,318,327 km (0.11 R)
• M34: 57,831,395 km (0.112 R)
• M35: 61,426,681 km (0.087 R)
• M36: 61,813,541 km (0.039 R)
• M37: 64,567,339 km (0.115 R)
• M38: 64,767,201 km (0.105 R)
• M39: 65,772,349 km (0.063 R)
• M40: 65,974,606 km (0.119 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 13,168 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit