🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.9

Radius: 12.7

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.54 AU - 0.56 AU

Year: 272 Days

Day: 9.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,074,606 km

• M1: 157,975 km (0.102 R)
• M2: 673,938 km (0.116 R)
• M3: 1,164,619 km (0.069 R)
• M4: 1,767,948 km (0.081 R)
• M5: 2,212,403 km (0.091 R)
• M6: 3,109,093 km (0.089 R)
• M7: 3,776,748 km (0.043 R)
• M8: 4,299,443 km (0.119 R)
• M9: 4,702,160 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.6

Radius: 12.1

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.61 AU - 0.67 AU

Year: 341 Days

Day: 8.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,074,606 km

• M1: 150,495 km (0.104 R)
• M2: 532,269 km (0.105 R)
• M3: 924,814 km (0.107 R)
• M4: 1,308,682 km (0.102 R)
• M5: 1,823,448 km (0.109 R)
• M6: 2,472,105 km (0.097 R)
• M7: 2,935,709 km (0.094 R)
• M8: 3,571,200 km (0.06 R)
• M9: 4,270,720 km (0.077 R)
• M10: 4,871,355 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.4

Radius: 11.2

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.9 AU - 1.16 AU

Year: 697 Days

Day: 8.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,074,606 km

• M1: 139,425 km (0.116 R)
• M2: 490,681 km (0.118 R)
• M3: 998,117 km (0.117 R)
• M4: 2,044,853 km (0.089 R)
• M5: 2,453,255 km (0.081 R)
• M6: 2,803,464 km (0.074 R)
• M7: 3,310,601 km (0.116 R)
• M8: 3,934,424 km (0.104 R)
• M9: 4,859,238 km (0.106 R)
• M10: 5,867,677 km (0.116 R)
• M11: 6,265,308 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731

Radius: 10.5

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.79 AU - 2.11 AU

Year: 1816 Days

Day: 10.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,074,606 km

• M1: 130,599 km (0.08 R)
• M2: 483,650 km (0.117 R)
• M3: 827,426 km (0.066 R)
• M4: 1,343,239 km (0.098 R)
• M5: 2,089,284 km (0.073 R)
• M6: 3,076,331 km (0.096 R)
• M7: 4,062,629 km (0.091 R)
• M8: 4,921,172 km (0.102 R)
• M9: 5,542,302 km (0.101 R)
• M10: 6,417,001 km (0.094 R)
• M11: 7,269,559 km (0.07 R)
• M12: 8,286,525 km (0.079 R)
• M13: 9,297,059 km (0.051 R)
• M14: 10,637,306 km (0.082 R)
• M15: 12,141,513 km (0.105 R)
• M16: 13,782,901 km (0.104 R)
• M17: 14,836,070 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573

Radius: 12.8

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.14 AU - 3 AU

Year: 2747 Days

Day: 12.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,074,606 km

• M1: 159,172 km (0.116 R)
• M2: 1,281,904 km (0.098 R)
• M3: 1,861,147 km (0.066 R)
• M4: 2,625,891 km (0.118 R)
• M5: 3,377,471 km (0.031 R)
• M6: 3,968,084 km (0.09 R)
• M7: 4,583,529 km (0.106 R)
• M8: 5,074,659 km (0.097 R)
• M9: 6,323,203 km (0.098 R)
• M10: 6,763,469 km (0.062 R)
• M11: 8,080,679 km (0.109 R)
• M12: 8,500,899 km (0.092 R)
• M13: 9,633,953 km (0.049 R)
• M14: 10,557,271 km (0.025 R)
• M15: 11,417,908 km (0.101 R)
• M16: 12,623,368 km (0.104 R)
• M17: 13,190,493 km (0.041 R)
• M18: 13,683,568 km (0.05 R)
• M19: 14,328,933 km (0.107 R)
• M20: 14,802,261 km (0.096 R)
• M21: 15,286,060 km (0.095 R)
• M22: 16,645,157 km (0.095 R)
• M23: 18,083,391 km (0.087 R)
• M24: 19,087,192 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692

Radius: 10.1

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.35 AU - 2.91 AU

Year: 2844 Days

Day: 6 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,074,606 km

• M1: 127,607 km (0.096 R)
• M2: 452,534 km (0.092 R)
• M3: 1,050,626 km (0.036 R)
• M4: 1,723,966 km (0.119 R)
• M5: 2,313,531 km (0.037 R)
• M6: 2,868,240 km (0.112 R)
• M7: 3,565,516 km (0.059 R)
• M8: 4,056,197 km (0.072 R)
• M9: 5,419,482 km (0.071 R)
• M10: 6,096,712 km (0.104 R)
• M11: 6,741,927 km (0.088 R)
• M12: 7,525,521 km (0.108 R)
• M13: 8,813,110 km (0.104 R)
• M14: 9,165,712 km (0.049 R)
• M15: 9,861,791 km (0.096 R)
• M16: 11,483,581 km (0.094 R)
• M17: 12,511,618 km (0.043 R)
• M18: 12,912,690 km (0.082 R)
• M19: 15,654,520 km (0.037 R)
• M20: 16,648,747 km (0.103 R)
• M21: 17,025,584 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.6

Radius: 14.2

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.95 AU - 4.51 AU

Year: 5801 Days

Day: 7.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,074,606 km

• M1: 176,525 km (0.082 R)
• M2: 814,860 km (0.045 R)
• M3: 2,048,294 km (0.107 R)
• M4: 2,499,481 km (0.074 R)
• M5: 3,283,075 km (0.068 R)
• M6: 4,126,208 km (0.092 R)
• M7: 5,024,394 km (0.064 R)
• M8: 6,178,691 km (0.037 R)
• M9: 6,923,838 km (0.082 R)
• M10: 7,958,308 km (0.038 R)
• M11: 8,513,016 km (0.113 R)
• M12: 10,899,102 km (0.091 R)
• M13: 13,534,419 km (0.075 R)
• M14: 14,269,094 km (0.103 R)
• M15: 14,734,343 km (0.112 R)
• M16: 16,379,770 km (0.107 R)
• M17: 17,019,151 km (0.119 R)
• M18: 18,622,242 km (0.08 R)
• M19: 21,819,448 km (0.115 R)
• M20: 28,540,731 km (0.11 R)
• M21: 29,655,384 km (0.054 R)
• M22: 31,089,280 km (0.082 R)
• M23: 32,169,825 km (0.084 R)
• M24: 32,769,563 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.5

Radius: 3.2

Gravity: 94.29 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 9.35 AU - 9.45 AU

Year: 19219 Days

Day: 17.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 83,074,606 km

• M1: 39,943 km (0.053 R)
• M2: 147,354 km (0.103 R)
• M3: 392,844 km (0.077 R)
• M4: 853,605 km (0.085 R)
• M5: 1,159,234 km (0.097 R)
• M6: 1,584,989 km (0.118 R)
• M7: 1,862,643 km (0.036 R)
• M8: 2,064,899 km (0.101 R)
• M9: 2,585,949 km (0.113 R)
• M10: 2,786,260 km (0.1 R)
• M11: 2,943,189 km (0.09 R)
• M12: 3,051,049 km (0.113 R)
• M13: 3,449,577 km (0.105 R)
• M14: 4,044,378 km (0.096 R)
• M15: 4,596,095 km (0.113 R)
• M16: 8,551,164 km (0.12 R)
• M17: 12,542,285 km (0.084 R)
• M18: 13,407,560 km (0.056 R)
• M19: 15,175,806 km (0.098 R)
• M20: 15,417,257 km (0.108 R)
• M21: 17,885,772 km (0.114 R)
• M22: 22,424,870 km (0.09 R)
• M23: 25,350,556 km (0.085 R)
• M24: 29,508,479 km (0.078 R)
• M25: 35,775,433 km (0.072 R)
• M26: 39,292,778 km (0.092 R)
• M27: 40,360,458 km (0.116 R)
• M28: 42,553,563 km (0.078 R)
• M29: 43,841,900 km (0.062 R)
• M30: 49,079,321 km (0.087 R)
• M31: 51,756,824 km (0.06 R)
• M32: 65,332,532 km (0.074 R)
• M33: 76,528,736 km (0.049 R)
• M34: 76,764,801 km (0.088 R)
• M35: 77,001,315 km (0.125 R)
• M36: 78,191,516 km (0.102 R)
• M37: 78,431,022 km (0.164 R)
• M38: 80,852,712 km (0.212 R)
• M39: 82,082,108 km (0.202 R)
• M40: 83,074,540 km (0.11 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 11,191 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit