🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.3

Radius: 11.6

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.9 AU - 1.26 AU

Year: 761 Days

Day: 12 Hours

Environment

Temp: -169 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,211,859 km

• M1: 144,362 km (0.111 R)
• M2: 846,126 km (0.1 R)
• M3: 1,600,398 km (0.025 R)
• M4: 2,730,161 km (0.09 R)
• M5: 3,447,633 km (0.075 R)
• M6: 3,933,227 km (0.116 R)
• M7: 4,389,650 km (0.08 R)
• M8: 5,157,387 km (0.074 R)
• M9: 5,635,053 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.6

Radius: 9.2

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.13 AU - 1.25 AU

Year: 880 Days

Day: 6.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,211,859 km

• M1: 114,442 km (0.111 R)
• M2: 601,383 km (0.054 R)
• M3: 908,059 km (0.03 R)
• M4: 1,246,001 km (0.115 R)
• M5: 1,868,777 km (0.043 R)
• M6: 2,277,328 km (0.114 R)
• M7: 2,616,616 km (0.107 R)
• M8: 3,091,440 km (0.091 R)
• M9: 4,041,087 km (0.074 R)
• M10: 4,592,056 km (0.051 R)
• M11: 5,944,122 km (0.1 R)
• M12: 6,399,199 km (0.103 R)
• M13: 6,855,173 km (0.089 R)
• M14: 7,567,857 km (0.105 R)
• M15: 8,077,986 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.7

Radius: 9.4

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.63 AU - 2.01 AU

Year: 1665 Days

Day: 10.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,211,859 km

• M1: 121,623 km (0.058 R)
• M2: 471,682 km (0.109 R)
• M3: 959,970 km (0.082 R)
• M4: 1,310,029 km (0.07 R)
• M5: 1,645,277 km (0.109 R)
• M6: 2,226,914 km (0.052 R)
• M7: 3,136,619 km (0.076 R)
• M8: 3,506,275 km (0.073 R)
• M9: 4,353,148 km (0.106 R)
• M10: 5,089,469 km (0.067 R)
• M11: 5,464,960 km (0.103 R)
• M12: 7,487,373 km (0.12 R)
• M13: 7,799,883 km (0.11 R)
• M14: 8,180,610 km (0.102 R)
• M15: 8,481,900 km (0.106 R)
• M16: 9,202,962 km (0.112 R)
• M17: 9,628,269 km (0.117 R)
• M18: 10,553,681 km (0.115 R)
• M19: 11,878,221 km (0.069 R)
• M20: 14,197,137 km (0.057 R)
• M21: 15,077,820 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.1

Radius: 8

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.62 AU - 2.38 AU

Year: 1918 Days

Day: 13.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,211,859 km

• M1: 99,483 km (0.073 R)
• M2: 1,072,168 km (0.097 R)
• M3: 1,433,746 km (0.109 R)
• M4: 1,797,119 km (0.106 R)
• M5: 2,072,828 km (0.095 R)
• M6: 5,316,409 km (0.101 R)
• M7: 5,942,476 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.8

Radius: 9.2

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.18 AU - 2.84 AU

Year: 2697 Days

Day: 9.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,211,859 km

• M1: 114,442 km (0.112 R)
• M2: 446,400 km (0.078 R)
• M3: 742,903 km (0.088 R)
• M4: 1,246,898 km (0.112 R)
• M5: 1,797,568 km (0.097 R)
• M6: 2,289,595 km (0.062 R)
• M7: 2,826,801 km (0.116 R)
• M8: 3,796,644 km (0.069 R)
• M9: 4,282,538 km (0.109 R)
• M10: 4,609,410 km (0.032 R)
• M11: 5,511,634 km (0.103 R)
• M12: 5,829,380 km (0.106 R)
• M13: 6,280,418 km (0.061 R)
• M14: 7,360,215 km (0.062 R)
• M15: 8,499,403 km (0.106 R)
• M16: 8,955,527 km (0.113 R)
• M17: 9,268,635 km (0.048 R)
• M18: 9,686,612 km (0.025 R)
• M19: 13,294,314 km (0.114 R)
• M20: 14,076,711 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.2

Radius: 14.4

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.29 AU - 3.25 AU

Year: 3127 Days

Day: 10.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,211,859 km

• M1: 179,368 km (0.104 R)
• M2: 689,646 km (0.117 R)
• M3: 1,140,983 km (0.052 R)
• M4: 1,710,203 km (0.119 R)
• M5: 2,284,060 km (0.05 R)
• M6: 4,093,895 km (0.085 R)
• M7: 4,895,441 km (0.104 R)
• M8: 6,348,335 km (0.058 R)
• M9: 7,550,953 km (0.103 R)
• M10: 8,039,390 km (0.112 R)
• M11: 11,513,351 km (0.062 R)
• M12: 14,012,234 km (0.12 R)
• M13: 19,509,208 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.4

Radius: 13.6

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.51 AU - 3.71 AU

Year: 4652 Days

Day: 14.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,211,859 km

• M1: 169,494 km (0.092 R)
• M2: 708,047 km (0.085 R)
• M3: 1,321,996 km (0.106 R)
• M4: 2,489,907 km (0.038 R)
• M5: 3,312,246 km (0.087 R)
• M6: 4,002,042 km (0.103 R)
• M7: 4,530,572 km (0.082 R)
• M8: 5,024,394 km (0.12 R)
• M9: 5,554,120 km (0.119 R)
• M10: 8,512,568 km (0.076 R)
• M11: 9,105,574 km (0.064 R)
• M12: 10,330,182 km (0.113 R)
• M13: 11,519,186 km (0.05 R)
• M14: 11,999,993 km (0.118 R)
• M15: 15,460,342 km (0.083 R)
• M16: 16,829,760 km (0.119 R)
• M17: 17,262,248 km (0.106 R)
• M18: 18,735,787 km (0.104 R)
• M19: 19,334,627 km (0.063 R)
• M20: 21,065,475 km (0.105 R)
• M21: 22,822,202 km (0.116 R)
• M22: 26,792,679 km (0.116 R)
• M23: 30,374,950 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.6

Radius: 6.2

Gravity: 14.66 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.13 AU - 6.51 AU

Year: 9523 Days

Day: 15.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,211,859 km

• M1: 78,389 km (0.04 R)
• M2: 330,163 km (0.066 R)
• M3: 903,122 km (0.091 R)
• M4: 1,526,048 km (0.107 R)
• M5: 2,402,542 km (0.118 R)
• M6: 2,671,369 km (0.031 R)
• M7: 3,112,085 km (0.037 R)
• M8: 5,404,821 km (0.079 R)
• M9: 5,970,451 km (0.078 R)
• M10: 6,611,478 km (0.11 R)
• M11: 6,835,127 km (0.119 R)
• M12: 7,496,200 km (0.093 R)
• M13: 9,498,118 km (0.062 R)
• M14: 11,776,644 km (0.087 R)
• M15: 13,602,934 km (0.119 R)
• M16: 16,073,842 km (0.089 R)
• M17: 16,683,753 km (0.11 R)
• M18: 17,309,072 km (0.087 R)
• M19: 21,150,745 km (0.12 R)
• M20: 27,584,651 km (0.091 R)
• M21: 30,465,756 km (0.075 R)
• M22: 40,177,650 km (0.083 R)
• M23: 40,923,246 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.8

Radius: 3.8

Gravity: 31.7 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 6.03 AU - 7.59 AU

Year: 12053 Days

Day: 19.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,211,859 km

• M1: 47,572 km (0.085 R)
• M2: 248,781 km (0.085 R)
• M3: 919,728 km (0.089 R)
• M4: 1,487,452 km (0.103 R)
• M5: 2,062,955 km (0.063 R)
• M6: 2,334,176 km (0.115 R)
• M7: 3,790,960 km (0.084 R)
• M8: 4,225,691 km (0.101 R)
• M9: 4,484,346 km (0.038 R)
• M10: 6,154,008 km (0.079 R)
• M11: 11,679,405 km (0.109 R)
• M12: 12,131,041 km (0.091 R)
• M13: 12,949,341 km (0.043 R)
• M14: 13,433,141 km (0.079 R)
• M15: 14,891,122 km (0.055 R)
• M16: 16,034,199 km (0.117 R)
• M17: 16,875,388 km (0.115 R)
• M18: 17,525,391 km (0.103 R)
• M19: 17,745,748 km (0.048 R)
• M20: 18,569,284 km (0.119 R)
• M21: 20,051,500 km (0.066 R)
• M22: 21,027,028 km (0.104 R)
• M23: 21,275,809 km (0.089 R)
• M24: 21,526,535 km (0.116 R)
• M25: 27,061,956 km (0.086 R)
• M26: 34,384,622 km (0.034 R)
• M27: 37,454,220 km (0.05 R)
• M28: 40,701,691 km (0.118 R)
• M29: 42,393,643 km (0.078 R)
• M30: 47,180,625 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356.3

Radius: 7.2

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.96 AU - 9.08 AU

Year: 13987 Days

Day: 19.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,211,859 km

• M1: 91,554 km (0.103 R)
• M2: 347,516 km (0.118 R)
• M3: 722,109 km (0.052 R)
• M4: 1,168,659 km (0.115 R)
• M5: 1,454,839 km (0.079 R)
• M6: 2,410,470 km (0.029 R)
• M7: 2,793,142 km (0.111 R)
• M8: 3,406,194 km (0.12 R)
• M9: 3,942,353 km (0.041 R)
• M10: 4,188,740 km (0.088 R)
• M11: 5,613,511 km (0.114 R)
• M12: 6,213,697 km (0.117 R)
• M13: 6,817,025 km (0.106 R)
• M14: 7,253,851 km (0.119 R)
• M15: 8,052,255 km (0.077 R)
• M16: 10,640,597 km (0.067 R)
• M17: 13,305,085 km (0.072 R)
• M18: 13,736,675 km (0.081 R)
• M19: 14,823,803 km (0.11 R)
• M20: 16,384,258 km (0.08 R)
• M21: 17,023,639 km (0.036 R)
• M22: 23,279,224 km (0.103 R)
• M23: 25,663,664 km (0.12 R)
• M24: 30,698,081 km (0.099 R)
• M25: 31,887,684 km (0.044 R)
• M26: 34,243,551 km (0.047 R)
• M27: 37,196,463 km (0.087 R)
• M28: 37,806,673 km (0.11 R)
• M29: 44,281,718 km (0.06 R)
• M30: 46,359,333 km (0.106 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 14,754 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit