🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.48 AU - 0.7 AU

Year: 293 Days

Day: 32.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,416,047 km

• M1: 305,180 km (0.084 R)

Asteroid Belt

Center: 1.08 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.9

Radius: 11.6

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.22 AU - 1.92 AU

Year: 1270 Days

Day: 8.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,416,047 km

• M1: 144,960 km (0.074 R)
• M2: 564,283 km (0.094 R)
• M3: 969,993 km (0.038 R)
• M4: 1,539,512 km (0.114 R)
• M5: 2,046,050 km (0.099 R)
• M6: 2,436,949 km (0.071 R)
• M7: 2,889,932 km (0.111 R)
• M8: 3,269,461 km (0.119 R)
• M9: 4,220,904 km (0.112 R)
• M10: 5,622,187 km (0.05 R)
• M11: 6,834,678 km (0.083 R)
• M12: 7,201,941 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.9

Radius: 11.5

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.48 AU - 1.86 AU

Year: 1393 Days

Day: 9.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 109.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,416,047 km

• M1: 143,614 km (0.104 R)
• M2: 512,074 km (0.084 R)
• M3: 1,179,280 km (0.065 R)
• M4: 1,649,317 km (0.053 R)
• M5: 2,057,270 km (0.072 R)
• M6: 2,773,096 km (0.083 R)
• M7: 3,500,141 km (0.043 R)
• M8: 4,401,469 km (0.102 R)
• M9: 4,897,685 km (0.084 R)
• M10: 5,352,761 km (0.119 R)
• M11: 5,773,879 km (0.118 R)
• M12: 6,547,450 km (0.119 R)
• M13: 7,364,703 km (0.101 R)
• M14: 8,301,036 km (0.095 R)
• M15: 9,258,313 km (0.075 R)
• M16: 9,837,556 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.7

Radius: 10.4

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.59 AU - 2.89 AU

Year: 2928 Days

Day: 12.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,416,047 km

• M1: 129,402 km (0.069 R)
• M2: 562,338 km (0.088 R)
• M3: 902,674 km (0.092 R)
• M4: 1,634,207 km (0.1 R)
• M5: 2,278,824 km (0.113 R)
• M6: 2,884,097 km (0.106 R)
• M7: 4,639,180 km (0.112 R)
• M8: 5,257,617 km (0.12 R)
• M9: 6,120,797 km (0.093 R)
• M10: 7,384,151 km (0.077 R)
• M11: 7,733,462 km (0.11 R)
• M12: 9,062,639 km (0.09 R)
• M13: 11,105,099 km (0.102 R)
• M14: 11,692,270 km (0.103 R)
• M15: 14,495,136 km (0.049 R)
• M16: 17,214,825 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.2

Radius: 13.3

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.32 AU - 3.7 AU

Year: 3372 Days

Day: 13.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,416,047 km

• M1: 165,455 km (0.06 R)
• M2: 659,577 km (0.104 R)
• M3: 1,155,793 km (0.107 R)
• M4: 1,574,069 km (0.103 R)
• M5: 2,005,808 km (0.092 R)
• M6: 2,639,804 km (0.106 R)
• M7: 3,809,959 km (0.074 R)
• M8: 4,226,140 km (0.057 R)
• M9: 5,004,198 km (0.056 R)
• M10: 5,479,321 km (0.114 R)
• M11: 6,012,189 km (0.091 R)
• M12: 7,058,776 km (0.11 R)
• M13: 9,931,952 km (0.087 R)
• M14: 11,097,918 km (0.098 R)
• M15: 12,130,293 km (0.119 R)
• M16: 13,272,622 km (0.054 R)
• M17: 14,435,746 km (0.036 R)
• M18: 16,742,844 km (0.041 R)
• M19: 17,356,046 km (0.075 R)
• M20: 18,216,383 km (0.115 R)
• M21: 19,165,133 km (0.083 R)
• M22: 19,836,378 km (0.093 R)
• M23: 21,420,321 km (0.081 R)
• M24: 22,410,359 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.8

Radius: 10.8

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.98 AU - 3.06 AU

Year: 3389 Days

Day: 9.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,416,047 km

• M1: 548,276 km (0.069 R)
• M2: 972,536 km (0.106 R)
• M3: 2,209,561 km (0.068 R)
• M4: 2,926,134 km (0.114 R)
• M5: 3,429,830 km (0.114 R)
• M6: 3,809,061 km (0.071 R)
• M7: 4,430,640 km (0.061 R)
• M8: 5,431,749 km (0.062 R)
• M9: 6,195,297 km (0.107 R)
• M10: 7,501,585 km (0.075 R)
• M11: 8,823,582 km (0.07 R)
• M12: 12,840,284 km (0.088 R)
• M13: 13,336,949 km (0.066 R)
• M14: 14,456,989 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.7

Radius: 12.4

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.03 AU - 4.79 AU

Year: 5980 Days

Day: 7.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,416,047 km

• M1: 157,676 km (0.106 R)
• M2: 626,665 km (0.076 R)
• M3: 1,083,388 km (0.113 R)
• M4: 1,897,948 km (0.1 R)
• M5: 2,330,884 km (0.079 R)
• M6: 3,482,190 km (0.09 R)
• M7: 5,277,065 km (0.039 R)
• M8: 5,845,836 km (0.09 R)
• M9: 6,840,811 km (0.085 R)
• M10: 7,765,476 km (0.069 R)
• M11: 8,239,402 km (0.049 R)
• M12: 9,946,912 km (0.072 R)
• M13: 11,409,231 km (0.079 R)
• M14: 12,216,162 km (0.1 R)
• M15: 13,316,754 km (0.113 R)
• M16: 13,732,785 km (0.069 R)
• M17: 14,211,499 km (0.109 R)
• M18: 14,811,536 km (0.057 R)
• M19: 18,903,486 km (0.105 R)
• M20: 21,067,419 km (0.109 R)
• M21: 22,647,771 km (0.096 R)
• M22: 23,316,623 km (0.066 R)
• M23: 25,402,466 km (0.087 R)
• M24: 25,882,227 km (0.097 R)
• M25: 26,777,869 km (0.08 R)
• M26: 28,032,098 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.4

Radius: 13.9

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.86 AU - 5.66 AU

Year: 7789 Days

Day: 10.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,416,047 km

• M1: 177,722 km (0.064 R)
• M2: 1,413,401 km (0.106 R)
• M3: 2,114,416 km (0.036 R)
• M4: 3,402,903 km (0.119 R)
• M5: 4,173,481 km (0.083 R)
• M6: 5,084,084 km (0.065 R)
• M7: 6,034,030 km (0.093 R)
• M8: 7,888,445 km (0.055 R)
• M9: 10,829,839 km (0.055 R)
• M10: 12,449,086 km (0.048 R)
• M11: 14,224,364 km (0.091 R)
• M12: 15,034,885 km (0.075 R)
• M13: 17,774,920 km (0.113 R)
• M14: 18,971,852 km (0.03 R)
• M15: 21,455,925 km (0.045 R)
• M16: 22,162,925 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.1

Radius: 3.1

Gravity: 29.46 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.68 AU - 8.22 AU

Year: 11830 Days

Day: 23.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,416,047 km

• M1: 38,596 km (0.104 R)
• M2: 271,221 km (0.11 R)
• M3: 377,286 km (0.117 R)
• M4: 549,772 km (0.078 R)
• M5: 669,450 km (0.114 R)
• M6: 1,105,079 km (0.104 R)
• M7: 1,579,155 km (0.105 R)
• M8: 2,245,165 km (0.118 R)
• M9: 3,507,322 km (0.063 R)
• M10: 3,922,157 km (0.088 R)
• M11: 5,845,088 km (0.11 R)
• M12: 6,712,905 km (0.114 R)
• M13: 7,388,639 km (0.074 R)
• M14: 7,904,003 km (0.077 R)
• M15: 8,108,504 km (0.115 R)
• M16: 9,229,141 km (0.067 R)
• M17: 10,062,701 km (0.059 R)
• M18: 12,418,718 km (0.075 R)
• M19: 13,031,919 km (0.109 R)
• M20: 15,881,011 km (0.089 R)
• M21: 16,669,691 km (0.119 R)
• M22: 18,682,829 km (0.058 R)
• M23: 23,350,432 km (0.036 R)
• M24: 25,151,740 km (0.087 R)
• M25: 28,260,833 km (0.04 R)
• M26: 33,177,816 km (0.11 R)
• M27: 37,476,062 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602

Radius: 7.4

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.78 AU - 8.76 AU

Year: 13984 Days

Day: 21.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,416,047 km

• M1: 93,798 km (0.11 R)
• M2: 363,822 km (0.051 R)
• M3: 1,183,170 km (0.092 R)
• M4: 1,783,356 km (0.091 R)
• M5: 2,286,005 km (0.117 R)
• M6: 2,592,232 km (0.061 R)
• M7: 2,833,982 km (0.116 R)
• M8: 3,545,021 km (0.05 R)
• M9: 4,492,574 km (0.11 R)
• M10: 4,778,006 km (0.072 R)
• M11: 5,211,840 km (0.12 R)
• M12: 6,631,823 km (0.056 R)
• M13: 7,876,477 km (0.062 R)
• M14: 8,919,324 km (0.114 R)
• M15: 12,474,069 km (0.047 R)
• M16: 14,087,183 km (0.095 R)
• M17: 14,357,506 km (0.112 R)
• M18: 17,487,841 km (0.083 R)
• M19: 18,196,187 km (0.1 R)
• M20: 19,838,622 km (0.051 R)
• M21: 20,957,614 km (0.1 R)
• M22: 21,666,858 km (0.112 R)
• M23: 23,890,780 km (0.061 R)
• M24: 25,655,287 km (0.078 R)
• M25: 27,821,763 km (0.095 R)
• M26: 29,112,942 km (0.068 R)
• M27: 31,930,469 km (0.102 R)
• M28: 32,987,826 km (0.053 R)
• M29: 35,545,202 km (0.114 R)
• M30: 38,363,177 km (0.058 R)
• M31: 46,648,655 km (0.115 R)
• M32: 49,395,571 km (0.064 R)
• M33: 50,492,273 km (0.113 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 19,632 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit