🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.2

Radius: 12.6

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.64 AU - 0.8 AU

Year: 407 Days

Day: 7.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 77,306,440 km

• M1: 157,527 km (0.092 R)
• M2: 587,172 km (0.119 R)
• M3: 1,197,830 km (0.043 R)
• M4: 1,855,313 km (0.099 R)
• M5: 2,566,351 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.8

Radius: 9.5

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.02 AU - 1.38 AU

Year: 877 Days

Day: 14.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,306,440 km

• M1: 118,182 km (0.066 R)
• M2: 422,016 km (0.118 R)
• M3: 767,886 km (0.116 R)
• M4: 1,502,262 km (0.073 R)
• M5: 1,816,866 km (0.093 R)
• M6: 2,378,157 km (0.087 R)
• M7: 2,694,258 km (0.073 R)
• M8: 4,038,395 km (0.115 R)
• M9: 4,857,592 km (0.095 R)
• M10: 5,297,859 km (0.117 R)
• M11: 5,593,315 km (0.053 R)
• M12: 7,353,483 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.7

Radius: 9.2

Gravity: 10.16 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.33 AU - 2.95 AU

Year: 2860 Days

Day: 7.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,306,440 km

• M1: 114,442 km (0.097 R)
• M2: 493,523 km (0.041 R)
• M3: 916,885 km (0.06 R)
• M4: 1,378,844 km (0.118 R)
• M5: 1,865,336 km (0.106 R)
• M6: 2,176,649 km (0.072 R)
• M7: 2,939,449 km (0.077 R)
• M8: 3,327,505 km (0.117 R)
• M9: 3,630,890 km (0.113 R)
• M10: 4,057,244 km (0.079 R)
• M11: 6,921,594 km (0.098 R)
• M12: 8,039,838 km (0.114 R)
• M13: 9,348,521 km (0.038 R)
• M14: 10,112,218 km (0.035 R)
• M15: 10,549,791 km (0.116 R)
• M16: 12,745,439 km (0.046 R)
• M17: 13,828,977 km (0.116 R)
• M18: 14,921,640 km (0.118 R)
• M19: 15,964,038 km (0.025 R)
• M20: 19,933,916 km (0.119 R)
• M21: 20,495,955 km (0.098 R)
• M22: 20,812,804 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.8

Radius: 11.8

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.68 AU - 3.74 AU

Year: 4765 Days

Day: 7 Hours

Environment

Temp: -212 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,306,440 km

• M1: 146,756 km (0.11 R)
• M2: 701,614 km (0.078 R)
• M3: 1,165,816 km (0.104 R)
• M4: 1,606,232 km (0.04 R)
• M5: 2,005,659 km (0.081 R)
• M6: 2,551,392 km (0.061 R)
• M7: 3,101,762 km (0.113 R)
• M8: 4,906,361 km (0.061 R)
• M9: 5,429,804 km (0.041 R)
• M10: 6,967,670 km (0.083 R)
• M11: 7,427,235 km (0.12 R)
• M12: 8,119,125 km (0.091 R)
• M13: 11,368,840 km (0.079 R)
• M14: 12,525,680 km (0.088 R)
• M15: 14,590,580 km (0.1 R)
• M16: 14,964,574 km (0.078 R)
• M17: 18,191,400 km (0.115 R)
• M18: 20,229,970 km (0.075 R)
• M19: 21,510,079 km (0.063 R)
• M20: 22,064,938 km (0.088 R)
• M21: 22,558,312 km (0.1 R)
• M22: 23,934,463 km (0.12 R)
• M23: 26,063,539 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.7

Radius: 6.6

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.84 AU - 9.62 AU

Year: 14332 Days

Day: 21 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,306,440 km

• M1: 89,759 km (0.064 R)
• M2: 536,907 km (0.083 R)
• M3: 801,396 km (0.059 R)
• M4: 1,417,889 km (0.116 R)
• M5: 2,073,576 km (0.068 R)
• M6: 2,294,083 km (0.082 R)
• M7: 3,937,266 km (0.064 R)
• M8: 4,951,390 km (0.101 R)
• M9: 6,586,495 km (0.044 R)
• M10: 11,098,516 km (0.093 R)
• M11: 13,093,554 km (0.115 R)
• M12: 13,851,267 km (0.099 R)
• M13: 15,592,736 km (0.094 R)
• M14: 17,102,029 km (0.093 R)
• M15: 20,076,333 km (0.093 R)
• M16: 22,299,208 km (0.115 R)
• M17: 23,745,670 km (0.036 R)
• M18: 25,640,477 km (0.051 R)
• M19: 27,025,304 km (0.075 R)
• M20: 28,878,074 km (0.057 R)
• M21: 29,407,351 km (0.081 R)
• M22: 33,877,335 km (0.07 R)
• M23: 38,524,294 km (0.033 R)
• M24: 49,811,304 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.5

Radius: 4.2

Gravity: 18.62 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 9.25 AU - 9.89 AU

Year: 19742 Days

Day: 22.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,306,440 km

• M1: 109,506 km (0.027 R)
• M2: 243,545 km (0.069 R)
• M3: 482,902 km (0.082 R)
• M4: 798,404 km (0.103 R)
• M5: 1,536,071 km (0.111 R)
• M6: 2,827,549 km (0.111 R)
• M7: 3,392,581 km (0.114 R)
• M8: 4,360,778 km (0.047 R)
• M9: 5,756,975 km (0.082 R)
• M10: 8,394,984 km (0.114 R)
• M11: 12,794,507 km (0.03 R)
• M12: 15,516,740 km (0.102 R)
• M13: 22,813,226 km (0.085 R)
• M14: 24,151,679 km (0.073 R)
• M15: 24,445,190 km (0.095 R)
• M16: 29,470,332 km (0.079 R)
• M17: 50,630,801 km (0.07 R)
• M18: 55,575,310 km (0.103 R)
• M19: 57,814,341 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 623.5

Radius: 5.8

Gravity: 18.53 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.99 AU - 11.25 AU

Year: 21468 Days

Day: 24.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 77,306,440 km

• M1: 94,396 km (0.112 R)
• M2: 338,091 km (0.11 R)
• M3: 577,149 km (0.094 R)
• M4: 951,891 km (0.049 R)
• M5: 1,221,915 km (0.114 R)
• M6: 2,328,790 km (0.111 R)
• M7: 2,674,810 km (0.103 R)
• M8: 2,898,459 km (0.083 R)
• M9: 4,618,385 km (0.081 R)
• M10: 9,496,622 km (0.037 R)
• M11: 11,184,386 km (0.105 R)
• M12: 13,928,459 km (0.109 R)
• M13: 17,006,286 km (0.086 R)
• M14: 18,390,365 km (0.066 R)
• M15: 19,661,499 km (0.08 R)
• M16: 20,318,682 km (0.109 R)
• M17: 25,224,295 km (0.112 R)
• M18: 28,066,954 km (0.113 R)
• M19: 29,382,817 km (0.097 R)
• M20: 33,842,479 km (0.078 R)
• M21: 34,785,544 km (0.082 R)
• M22: 39,320,304 km (0.052 R)
• M23: 39,913,460 km (0.061 R)
• M24: 48,515,188 km (0.076 R)
• M25: 53,789,111 km (0.057 R)
• M26: 57,699,899 km (0.101 R)
• M27: 71,878,037 km (0.091 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: 435 - 12,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit