🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.6

Radius: 12.1

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.68 AU - 1.04 AU

Year: 561 Days

Day: 13 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,480,640 km

• M1: 150,495 km (0.072 R)
• M2: 652,396 km (0.092 R)
• M3: 1,385,575 km (0.091 R)
• M4: 1,809,685 km (0.03 R)
• M5: 2,509,205 km (0.045 R)
• M6: 3,126,895 km (0.08 R)
• M7: 3,922,456 km (0.109 R)
• M8: 4,608,063 km (0.091 R)
• M9: 5,097,847 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.9

Radius: 14.6

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.11 AU - 1.17 AU

Year: 856 Days

Day: 11.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,480,640 km

• M1: 181,612 km (0.08 R)
• M2: 659,727 km (0.106 R)
• M3: 1,214,735 km (0.091 R)
• M4: 1,674,748 km (0.119 R)
• M5: 2,305,004 km (0.101 R)
• M6: 3,324,663 km (0.109 R)
• M7: 4,206,393 km (0.109 R)
• M8: 4,848,617 km (0.046 R)
• M9: 6,004,410 km (0.087 R)
• M10: 7,199,846 km (0.094 R)
• M11: 7,926,892 km (0.117 R)
• M12: 8,396,480 km (0.077 R)
• M13: 8,910,797 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.1

Radius: 10.9

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.04 AU - 2.12 AU

Year: 2109 Days

Day: 11 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,480,640 km

• M1: 135,536 km (0.115 R)
• M2: 475,871 km (0.115 R)
• M3: 1,384,678 km (0.118 R)
• M4: 2,113,220 km (0.095 R)
• M5: 2,525,062 km (0.073 R)
• M6: 2,975,651 km (0.027 R)
• M7: 3,563,122 km (0.09 R)
• M8: 3,912,134 km (0.115 R)
• M9: 4,419,570 km (0.053 R)
• M10: 4,886,166 km (0.08 R)
• M11: 5,452,992 km (0.095 R)
• M12: 6,285,055 km (0.089 R)
• M13: 7,254,300 km (0.089 R)
• M14: 7,617,673 km (0.107 R)
• M15: 7,963,843 km (0.113 R)
• M16: 8,625,813 km (0.058 R)
• M17: 10,094,116 km (0.056 R)
• M18: 10,654,510 km (0.094 R)
• M19: 12,381,468 km (0.09 R)
• M20: 12,740,054 km (0.113 R)
• M21: 13,561,795 km (0.114 R)
• M22: 14,682,433 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.4

Radius: 10.2

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.98 AU - 2.66 AU

Year: 2484 Days

Day: 5.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,480,640 km

• M1: 127,906 km (0.118 R)
• M2: 459,265 km (0.073 R)
• M3: 1,083,238 km (0.071 R)
• M4: 1,462,020 km (0.115 R)
• M5: 1,954,347 km (0.109 R)
• M6: 2,281,517 km (0.093 R)
• M7: 2,981,336 km (0.057 R)
• M8: 3,898,072 km (0.033 R)
• M9: 4,532,367 km (0.053 R)
• M10: 6,252,892 km (0.064 R)
• M11: 6,824,206 km (0.114 R)
• M12: 7,778,192 km (0.103 R)
• M13: 8,137,227 km (0.091 R)
• M14: 9,760,812 km (0.083 R)
• M15: 10,848,987 km (0.114 R)
• M16: 11,380,957 km (0.059 R)
• M17: 12,990,481 km (0.096 R)
• M18: 13,311,368 km (0.066 R)
• M19: 14,746,760 km (0.098 R)
• M20: 15,348,891 km (0.076 R)
• M21: 15,707,627 km (0.088 R)
• M22: 16,548,666 km (0.111 R)
• M23: 18,035,669 km (0.064 R)
• M24: 19,550,048 km (0.116 R)
• M25: 19,911,177 km (0.117 R)
• M26: 20,771,216 km (0.091 R)

Asteroid Belt

Center: 2.74 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515

Radius: 12.1

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.84 AU - 3.48 AU

Year: 3949 Days

Day: 10.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,480,640 km

• M1: 150,645 km (0.06 R)
• M2: 645,814 km (0.096 R)
• M3: 1,050,476 km (0.098 R)
• M4: 1,687,314 km (0.114 R)
• M5: 2,082,253 km (0.118 R)
• M6: 2,617,065 km (0.047 R)
• M7: 4,135,035 km (0.094 R)
• M8: 5,572,072 km (0.1 R)
• M9: 6,640,500 km (0.101 R)
• M10: 7,066,854 km (0.073 R)
• M11: 8,670,094 km (0.107 R)
• M12: 13,381,530 km (0.06 R)
• M13: 13,866,675 km (0.113 R)
• M14: 14,414,054 km (0.071 R)
• M15: 15,027,405 km (0.068 R)
• M16: 16,526,526 km (0.051 R)
• M17: 18,657,547 km (0.067 R)
• M18: 20,134,078 km (0.119 R)
• M19: 20,771,814 km (0.1 R)
• M20: 21,160,918 km (0.091 R)
• M21: 22,289,784 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.2

Radius: 13.7

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.08 AU - 3.94 AU

Year: 4622 Days

Day: 8.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,480,640 km

• M1: 171,888 km (0.112 R)
• M2: 743,352 km (0.1 R)
• M3: 1,676,543 km (0.082 R)
• M4: 2,273,140 km (0.099 R)
• M5: 2,972,809 km (0.109 R)
• M6: 5,253,728 km (0.069 R)
• M7: 5,846,285 km (0.113 R)
• M8: 6,296,574 km (0.12 R)
• M9: 7,824,567 km (0.099 R)
• M10: 9,343,733 km (0.081 R)
• M11: 10,606,489 km (0.112 R)
• M12: 11,932,375 km (0.112 R)
• M13: 13,417,433 km (0.091 R)
• M14: 14,258,323 km (0.042 R)
• M15: 14,691,708 km (0.064 R)
• M16: 15,987,225 km (0.12 R)
• M17: 16,752,418 km (0.097 R)
• M18: 19,195,202 km (0.115 R)
• M19: 21,159,572 km (0.052 R)
• M20: 23,105,840 km (0.111 R)
• M21: 23,554,035 km (0.102 R)
• M22: 24,855,686 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.9

Radius: 14.5

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.84 AU - 5.86 AU

Year: 8698 Days

Day: 6.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,480,640 km

• M1: 180,265 km (0.062 R)
• M2: 671,096 km (0.091 R)
• M3: 1,385,426 km (0.03 R)
• M4: 2,075,670 km (0.088 R)
• M5: 2,620,805 km (0.096 R)
• M6: 3,304,916 km (0.083 R)
• M7: 5,004,946 km (0.082 R)
• M8: 5,674,397 km (0.084 R)
• M9: 7,382,057 km (0.115 R)
• M10: 9,277,312 km (0.079 R)
• M11: 10,338,410 km (0.064 R)
• M12: 12,647,004 km (0.104 R)
• M13: 13,660,380 km (0.096 R)
• M14: 14,545,551 km (0.096 R)
• M15: 15,343,506 km (0.1 R)
• M16: 18,262,459 km (0.063 R)
• M17: 19,483,477 km (0.093 R)
• M18: 21,066,073 km (0.108 R)
• M19: 22,248,046 km (0.058 R)
• M20: 23,808,202 km (0.107 R)
• M21: 26,962,323 km (0.028 R)
• M22: 28,734,909 km (0.1 R)
• M23: 38,661,027 km (0.091 R)
• M24: 39,480,673 km (0.077 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 12,881 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit