🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.5

Radius: 14.6

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.98 AU - 1.06 AU

Year: 724 Days

Day: 11.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,168,140 km

• M1: 181,911 km (0.069 R)
• M2: 667,356 km (0.077 R)
• M3: 1,193,193 km (0.114 R)
• M4: 2,081,804 km (0.046 R)
• M5: 2,624,096 km (0.109 R)
• M6: 3,154,122 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.6

Radius: 8

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.68 AU - 2.2 AU

Year: 1899 Days

Day: 6.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,168,140 km

• M1: 99,632 km (0.036 R)
• M2: 348,563 km (0.108 R)
• M3: 659,128 km (0.026 R)
• M4: 1,036,564 km (0.064 R)
• M5: 1,310,477 km (0.039 R)
• M6: 1,633,160 km (0.085 R)
• M7: 2,335,821 km (0.106 R)
• M8: 2,840,714 km (0.11 R)
• M9: 3,756,103 km (0.116 R)
• M10: 4,084,321 km (0.106 R)
• M11: 4,893,346 km (0.103 R)
• M12: 8,871,154 km (0.105 R)
• M13: 9,726,255 km (0.059 R)
• M14: 11,260,381 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.2

Radius: 12.4

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.04 AU - 2.38 AU

Year: 2309 Days

Day: 13 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,168,140 km

• M1: 154,235 km (0.115 R)
• M2: 565,330 km (0.111 R)
• M3: 963,560 km (0.108 R)
• M4: 1,578,856 km (0.05 R)
• M5: 2,103,346 km (0.091 R)
• M6: 2,511,748 km (0.073 R)
• M7: 3,695,666 km (0.089 R)
• M8: 4,491,526 km (0.106 R)
• M9: 5,980,025 km (0.072 R)
• M10: 6,373,767 km (0.074 R)
• M11: 7,323,713 km (0.115 R)
• M12: 10,458,836 km (0.093 R)
• M13: 10,996,042 km (0.064 R)
• M14: 11,513,950 km (0.081 R)
• M15: 13,125,119 km (0.104 R)
• M16: 14,049,334 km (0.063 R)
• M17: 15,378,811 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.3

Radius: 14.9

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.53 AU - 3.61 AU

Year: 3781 Days

Day: 11.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,168,140 km

• M1: 186,848 km (0.03 R)
• M2: 692,638 km (0.113 R)
• M3: 1,482,365 km (0.053 R)
• M4: 2,155,855 km (0.101 R)
• M5: 3,973,170 km (0.12 R)
• M6: 4,975,476 km (0.094 R)
• M7: 7,046,509 km (0.033 R)
• M8: 8,220,253 km (0.033 R)
• M9: 9,008,185 km (0.079 R)
• M10: 9,480,765 km (0.116 R)
• M11: 10,866,640 km (0.118 R)
• M12: 11,956,759 km (0.107 R)
• M13: 12,821,286 km (0.04 R)
• M14: 19,102,302 km (0.116 R)
• M15: 21,584,280 km (0.117 R)
• M16: 24,274,349 km (0.065 R)
• M17: 25,192,880 km (0.025 R)
• M18: 27,508,505 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.2

Radius: 11.2

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.35 AU - 4.75 AU

Year: 5729 Days

Day: 12 Hours

Environment

Temp: -220 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,168,140 km

• M1: 139,874 km (0.095 R)
• M2: 573,708 km (0.09 R)
• M3: 1,085,632 km (0.1 R)
• M4: 1,907,822 km (0.079 R)
• M5: 2,700,840 km (0.118 R)
• M6: 3,487,575 km (0.082 R)
• M7: 4,250,674 km (0.106 R)
• M8: 4,827,673 km (0.116 R)
• M9: 5,542,152 km (0.049 R)
• M10: 7,530,906 km (0.12 R)
• M11: 9,245,298 km (0.1 R)
• M12: 10,042,056 km (0.047 R)
• M13: 11,534,295 km (0.097 R)
• M14: 14,617,657 km (0.089 R)
• M15: 18,020,111 km (0.096 R)
• M16: 18,930,115 km (0.099 R)
• M17: 19,531,199 km (0.072 R)
• M18: 21,483,002 km (0.036 R)
• M19: 22,137,044 km (0.094 R)
• M20: 25,447,047 km (0.11 R)
• M21: 27,771,498 km (0.111 R)
• M22: 28,200,994 km (0.117 R)
• M23: 29,427,248 km (0.091 R)
• M24: 30,234,178 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.1

Radius: 13.3

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.11 AU - 4.13 AU

Year: 5878 Days

Day: 10.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 57.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,168,140 km

• M1: 179,368 km (0.08 R)
• M2: 662,868 km (0.088 R)
• M3: 1,222,663 km (0.092 R)
• M4: 1,648,569 km (0.114 R)
• M5: 2,473,451 km (0.08 R)
• M6: 3,894,781 km (0.052 R)
• M7: 4,702,310 km (0.065 R)
• M8: 5,618,746 km (0.1 R)
• M9: 6,189,911 km (0.069 R)
• M10: 6,739,833 km (0.116 R)
• M11: 7,577,581 km (0.042 R)
• M12: 10,713,900 km (0.093 R)
• M13: 13,076,051 km (0.096 R)
• M14: 13,838,252 km (0.058 R)
• M15: 15,714,060 km (0.11 R)
• M16: 21,559,447 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.2

Radius: 10

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.12 AU - 4.82 AU

Year: 6643 Days

Day: 10.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,168,140 km

• M1: 247,136 km (0.088 R)
• M2: 577,747 km (0.025 R)
• M3: 892,650 km (0.092 R)
• M4: 1,476,082 km (0.079 R)
• M5: 3,073,787 km (0.071 R)
• M6: 5,242,358 km (0.071 R)
• M7: 11,615,227 km (0.083 R)
• M8: 12,952,632 km (0.089 R)
• M9: 15,368,638 km (0.107 R)
• M10: 18,008,442 km (0.075 R)
• M11: 18,760,471 km (0.048 R)
• M12: 19,338,068 km (0.12 R)
• M13: 19,993,755 km (0.088 R)
• M14: 21,767,986 km (0.068 R)
• M15: 23,056,323 km (0.1 R)
• M16: 26,100,041 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.9

Radius: 3.3

Gravity: 25.61 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.77 AU - 6.31 AU

Year: 10434 Days

Day: 20.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,168,140 km

• M1: 41,738 km (0.104 R)
• M2: 346,469 km (0.096 R)
• M3: 705,204 km (0.079 R)
• M4: 1,193,043 km (0.096 R)
• M5: 1,633,310 km (0.083 R)
• M6: 1,744,311 km (0.054 R)
• M7: 3,855,586 km (0.039 R)
• M8: 5,233,682 km (0.081 R)
• M9: 6,016,078 km (0.056 R)
• M10: 6,349,682 km (0.103 R)
• M11: 8,491,474 km (0.107 R)
• M12: 8,953,881 km (0.06 R)
• M13: 10,971,807 km (0.061 R)
• M14: 12,402,561 km (0.117 R)
• M15: 14,477,484 km (0.118 R)
• M16: 15,690,124 km (0.111 R)
• M17: 16,449,183 km (0.095 R)
• M18: 18,384,232 km (0.068 R)
• M19: 23,833,035 km (0.087 R)
• M20: 24,414,073 km (0.1 R)
• M21: 28,375,874 km (0.026 R)
• M22: 34,611,711 km (0.119 R)
• M23: 35,463,522 km (0.032 R)
• M24: 36,438,451 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.3

Radius: 3.2

Gravity: 45.24 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 8.47 AU - 11.95 AU

Year: 22932 Days

Day: 15.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 73,168,140 km

• M1: 55,650 km (0.051 R)
• M2: 204,201 km (0.101 R)
• M3: 333,753 km (0.114 R)
• M4: 565,480 km (0.118 R)
• M5: 776,712 km (0.039 R)
• M6: 1,355,058 km (0.037 R)
• M7: 1,879,248 km (0.06 R)
• M8: 2,458,641 km (0.045 R)
• M9: 3,202,142 km (0.097 R)
• M10: 4,755,268 km (0.055 R)
• M11: 5,535,570 km (0.1 R)
• M12: 6,184,526 km (0.055 R)
• M13: 7,439,951 km (0.081 R)
• M14: 7,976,558 km (0.045 R)
• M15: 9,457,877 km (0.111 R)
• M16: 9,626,623 km (0.094 R)
• M17: 10,381,643 km (0.1 R)
• M18: 13,020,400 km (0.092 R)
• M19: 13,654,097 km (0.107 R)
• M20: 14,234,387 km (0.101 R)
• M21: 18,065,289 km (0.116 R)
• M22: 19,480,784 km (0.117 R)
• M23: 20,589,753 km (0.109 R)
• M24: 25,446,747 km (0.044 R)
• M25: 25,555,206 km (0.1 R)
• M26: 29,076,590 km (0.046 R)
• M27: 31,637,107 km (0.063 R)
• M28: 33,295,400 km (0.088 R)
• M29: 35,010,689 km (0.106 R)
• M30: 38,330,266 km (0.078 R)
• M31: 40,066,050 km (0.081 R)
• M32: 40,953,315 km (0.073 R)
• M33: 47,533,826 km (0.069 R)
• M34: 49,366,849 km (0.106 R)
• M35: 51,593,014 km (0.093 R)
• M36: 51,941,278 km (0.026 R)
• M37: 52,291,188 km (0.059 R)
• M38: 54,603,971 km (0.048 R)
• M39: 55,329,072 km (0.075 R)
• M40: 63,733,330 km (0.072 R)
• M41: 71,643,168 km (0.093 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 17,275 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit