🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.5

Radius: 14.1

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.69 AU - 0.97 AU

Year: 496 Days

Day: 10.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,468,549 km

• M1: 175,478 km (0.104 R)
• M2: 709,991 km (0.049 R)
• M3: 1,281,755 km (0.112 R)
• M4: 1,924,427 km (0.104 R)
• M5: 2,617,813 km (0.108 R)
• M6: 3,485,780 km (0.08 R)
• M7: 4,581,584 km (0.09 R)
• M8: 5,217,974 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.9

Radius: 9.2

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.1 AU - 1.42 AU

Year: 928 Days

Day: 11.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 139.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,468,549 km

• M1: 114,442 km (0.114 R)
• M2: 418,126 km (0.09 R)
• M3: 873,502 km (0.051 R)
• M4: 1,292,825 km (0.115 R)
• M5: 1,733,690 km (0.055 R)
• M6: 2,022,414 km (0.103 R)
• M7: 2,447,571 km (0.033 R)
• M8: 2,767,411 km (0.107 R)
• M9: 3,293,397 km (0.058 R)
• M10: 3,656,621 km (0.095 R)
• M11: 4,528,627 km (0.117 R)
• M12: 4,910,700 km (0.071 R)
• M13: 5,626,226 km (0.099 R)
• M14: 7,421,251 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.8

Radius: 9.6

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.05 AU - 1.67 AU

Year: 1040 Days

Day: 5.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,468,549 km

• M1: 119,678 km (0.055 R)
• M2: 433,385 km (0.034 R)
• M3: 774,767 km (0.095 R)
• M4: 1,338,901 km (0.108 R)
• M5: 1,898,547 km (0.105 R)
• M6: 2,375,764 km (0.094 R)
• M7: 3,213,063 km (0.118 R)
• M8: 3,846,760 km (0.107 R)
• M9: 4,152,238 km (0.08 R)
• M10: 4,830,814 km (0.047 R)
• M11: 5,765,502 km (0.115 R)
• M12: 6,341,753 km (0.096 R)
• M13: 6,678,199 km (0.119 R)
• M14: 7,050,248 km (0.083 R)
• M15: 7,684,394 km (0.067 R)
• M16: 8,067,215 km (0.047 R)
• M17: 8,409,345 km (0.118 R)
• M18: 10,359,503 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.9

Radius: 10.2

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.13 AU - 2.59 AU

Year: 2378 Days

Day: 13.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,468,549 km

• M1: 126,859 km (0.099 R)
• M2: 501,003 km (0.072 R)
• M3: 1,199,177 km (0.119 R)
• M4: 1,721,124 km (0.112 R)
• M5: 2,158,099 km (0.084 R)
• M6: 3,736,207 km (0.084 R)
• M7: 4,053,354 km (0.079 R)
• M8: 4,607,465 km (0.111 R)
• M9: 5,532,578 km (0.101 R)
• M10: 6,634,067 km (0.095 R)
• M11: 7,843,716 km (0.058 R)
• M12: 8,568,667 km (0.097 R)
• M13: 9,888,120 km (0.093 R)
• M14: 10,616,063 km (0.077 R)
• M15: 12,351,847 km (0.107 R)
• M16: 12,747,085 km (0.047 R)
• M17: 13,516,766 km (0.102 R)
• M18: 14,078,506 km (0.066 R)
• M19: 16,588,309 km (0.053 R)
• M20: 17,948,902 km (0.107 R)
• M21: 19,976,701 km (0.119 R)
• M22: 20,399,914 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.8

Radius: 11.4

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.6 AU - 2.76 AU

Year: 2878 Days

Day: 12.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,468,549 km

• M1: 141,819 km (0.059 R)
• M2: 509,830 km (0.083 R)
• M3: 950,246 km (0.083 R)
• M4: 1,305,989 km (0.079 R)
• M5: 1,949,709 km (0.068 R)
• M6: 2,681,841 km (0.112 R)
• M7: 3,377,621 km (0.105 R)
• M8: 4,060,236 km (0.082 R)
• M9: 4,572,758 km (0.069 R)
• M10: 5,077,950 km (0.059 R)
• M11: 5,620,242 km (0.107 R)
• M12: 8,895,987 km (0.052 R)
• M13: 11,104,949 km (0.086 R)
• M14: 14,151,211 km (0.096 R)
• M15: 16,522,486 km (0.099 R)
• M16: 17,197,023 km (0.068 R)
• M17: 20,017,691 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.8

Radius: 13.5

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.28 AU - 3.34 AU

Year: 3090 Days

Day: 12.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,468,549 km

• M1: 167,849 km (0.086 R)
• M2: 669,899 km (0.064 R)
• M3: 1,780,514 km (0.106 R)
• M4: 3,017,688 km (0.116 R)
• M5: 4,396,083 km (0.085 R)
• M6: 5,277,514 km (0.048 R)
• M7: 5,717,631 km (0.112 R)
• M8: 7,971,472 km (0.07 R)
• M9: 8,496,411 km (0.105 R)
• M10: 10,502,219 km (0.041 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.5

Radius: 9.7

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.55 AU - 3.51 AU

Year: 3460 Days

Day: 14.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,468,549 km

• M1: 120,725 km (0.109 R)
• M2: 528,679 km (0.093 R)
• M3: 900,878 km (0.119 R)
• M4: 1,248,095 km (0.056 R)
• M5: 1,908,869 km (0.055 R)
• M6: 2,386,535 km (0.056 R)
• M7: 2,753,798 km (0.09 R)
• M8: 3,562,823 km (0.072 R)
• M9: 6,945,829 km (0.084 R)
• M10: 7,267,315 km (0.104 R)
• M11: 8,616,987 km (0.104 R)
• M12: 10,752,048 km (0.089 R)
• M13: 11,670,279 km (0.108 R)
• M14: 13,762,705 km (0.113 R)
• M15: 14,739,130 km (0.027 R)
• M16: 15,433,564 km (0.084 R)
• M17: 16,601,025 km (0.088 R)
• M18: 17,766,542 km (0.066 R)
• M19: 19,425,583 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.9

Radius: 10.3

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.17 AU - 3.53 AU

Year: 4022 Days

Day: 9.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,468,549 km

• M1: 128,056 km (0.092 R)
• M2: 603,927 km (0.098 R)
• M3: 950,395 km (0.075 R)
• M4: 1,414,897 km (0.111 R)
• M5: 1,783,506 km (0.064 R)
• M6: 2,982,234 km (0.095 R)
• M7: 3,400,509 km (0.057 R)
• M8: 3,896,127 km (0.102 R)
• M9: 5,803,051 km (0.092 R)
• M10: 7,132,976 km (0.088 R)
• M11: 9,025,688 km (0.066 R)
• M12: 9,476,277 km (0.071 R)
• M13: 10,235,786 km (0.04 R)
• M14: 11,958,405 km (0.107 R)
• M15: 12,291,260 km (0.046 R)
• M16: 15,084,701 km (0.097 R)
• M17: 15,571,942 km (0.105 R)
• M18: 16,424,051 km (0.1 R)
• M19: 17,413,043 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 345.2

Radius: 4.4

Gravity: 17.83 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.1 AU - 8.5 AU

Year: 12939 Days

Day: 17.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,468,549 km

• M1: 138,827 km (0.047 R)
• M2: 318,494 km (0.119 R)
• M3: 1,016,218 km (0.091 R)
• M4: 1,455,288 km (0.063 R)
• M5: 2,130,274 km (0.116 R)
• M6: 2,364,694 km (0.086 R)
• M7: 3,264,674 km (0.077 R)
• M8: 3,804,124 km (0.112 R)
• M9: 12,080,926 km (0.032 R)
• M10: 12,478,108 km (0.102 R)
• M11: 16,245,730 km (0.103 R)
• M12: 17,797,808 km (0.03 R)
• M13: 19,215,697 km (0.118 R)
• M14: 26,867,179 km (0.097 R)
• M15: 37,628,203 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784.8

Radius: 4.6

Gravity: 37.09 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 6.6 AU - 9.94 AU

Year: 15602 Days

Day: 18.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 67,468,549 km

• M1: 57,296 km (0.112 R)
• M2: 298,597 km (0.12 R)
• M3: 655,089 km (0.101 R)
• M4: 931,995 km (0.116 R)
• M5: 1,326,036 km (0.112 R)
• M6: 1,650,813 km (0.109 R)
• M7: 2,164,232 km (0.069 R)
• M8: 2,479,734 km (0.089 R)
• M9: 2,660,299 km (0.094 R)
• M10: 2,972,360 km (0.059 R)
• M11: 3,281,579 km (0.115 R)
• M12: 4,086,864 km (0.075 R)
• M13: 4,371,549 km (0.058 R)
• M14: 4,875,395 km (0.113 R)
• M15: 6,747,911 km (0.091 R)
• M16: 8,738,909 km (0.1 R)
• M17: 9,590,570 km (0.051 R)
• M18: 9,979,973 km (0.073 R)
• M19: 10,496,086 km (0.115 R)
• M20: 10,909,724 km (0.082 R)
• M21: 11,211,762 km (0.108 R)
• M22: 14,328,783 km (0.118 R)
• M23: 15,585,106 km (0.095 R)
• M24: 15,891,183 km (0.066 R)
• M25: 16,045,568 km (0.119 R)
• M26: 20,881,619 km (0.08 R)
• M27: 23,678,351 km (0.116 R)
• M28: 27,707,470 km (0.059 R)
• M29: 27,931,418 km (0.108 R)
• M30: 29,532,564 km (0.087 R)
• M31: 31,436,197 km (0.097 R)
• M32: 33,167,643 km (0.051 R)
• M33: 36,281,822 km (0.095 R)
• M34: 38,602,085 km (0.056 R)
• M35: 42,043,434 km (0.094 R)
• M36: 43,990,151 km (0.118 R)
• M37: 44,447,771 km (0.105 R)
• M38: 47,101,189 km (0.114 R)
• M39: 56,946,225 km (0.118 R)
• M40: 58,036,644 km (0.099 R)
• M41: 59,698,377 km (0.098 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 11,528 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit