🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.2

Radius: 11.7

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.79 AU - 1.15 AU

Year: 648 Days

Day: 10.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,744,375 km

• M1: 147,653 km (0.119 R)
• M2: 560,842 km (0.09 R)
• M3: 936,931 km (0.06 R)
• M4: 1,348,176 km (0.026 R)
• M5: 1,840,353 km (0.107 R)
• M6: 2,411,368 km (0.101 R)
• M7: 3,379,565 km (0.113 R)
• M8: 5,884,133 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.9

Radius: 9.9

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.03 AU - 1.19 AU

Year: 793 Days

Day: 8.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,744,375 km

• M1: 123,119 km (0.066 R)
• M2: 436,826 km (0.059 R)
• M3: 767,736 km (0.086 R)
• M4: 1,116,449 km (0.12 R)
• M5: 1,550,432 km (0.073 R)
• M6: 2,040,814 km (0.066 R)
• M7: 2,494,993 km (0.078 R)
• M8: 2,992,406 km (0.116 R)
• M9: 3,398,116 km (0.06 R)
• M10: 3,784,976 km (0.085 R)
• M11: 4,366,762 km (0.088 R)
• M12: 4,808,674 km (0.032 R)
• M13: 5,193,739 km (0.084 R)
• M14: 5,819,507 km (0.048 R)
• M15: 6,840,961 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.6

Radius: 11.1

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.36 AU - 1.86 AU

Year: 1386 Days

Day: 9.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,744,375 km

• M1: 138,677 km (0.107 R)
• M2: 498,311 km (0.113 R)
• M3: 1,068,428 km (0.068 R)
• M4: 2,140,297 km (0.113 R)
• M5: 2,533,889 km (0.108 R)
• M6: 3,247,171 km (0.078 R)
• M7: 4,542,689 km (0.087 R)
• M8: 4,966,799 km (0.031 R)
• M9: 5,439,379 km (0.108 R)
• M10: 5,965,215 km (0.057 R)
• M11: 9,536,715 km (0.074 R)
• M12: 10,302,955 km (0.062 R)
• M13: 10,718,687 km (0.088 R)
• M14: 12,186,243 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.5

Radius: 11.1

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.67 AU - 2.07 AU

Year: 1734 Days

Day: 13.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,744,375 km

• M1: 157,377 km (0.114 R)
• M2: 529,427 km (0.099 R)
• M3: 1,033,871 km (0.054 R)
• M4: 1,589,926 km (0.105 R)
• M5: 2,258,180 km (0.066 R)
• M6: 2,646,835 km (0.054 R)
• M7: 3,741,892 km (0.032 R)
• M8: 6,124,537 km (0.065 R)
• M9: 6,696,898 km (0.031 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.2

Radius: 10.8

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.1 AU - 2.16 AU

Year: 2108 Days

Day: 12.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,744,375 km

• M1: 134,339 km (0.119 R)
• M2: 473,178 km (0.105 R)
• M3: 829,969 km (0.099 R)
• M4: 1,297,163 km (0.098 R)
• M5: 1,728,454 km (0.111 R)
• M6: 2,119,353 km (0.105 R)
• M7: 2,594,925 km (0.078 R)
• M8: 3,083,063 km (0.115 R)
• M9: 3,583,617 km (0.112 R)
• M10: 3,998,452 km (0.119 R)
• M11: 4,501,101 km (0.072 R)
• M12: 4,846,223 km (0.106 R)
• M13: 5,229,792 km (0.111 R)
• M14: 6,104,042 km (0.105 R)
• M15: 6,871,329 km (0.074 R)
• M16: 7,304,565 km (0.103 R)
• M17: 7,674,820 km (0.057 R)
• M18: 9,813,770 km (0.107 R)
• M19: 11,884,055 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.3

Radius: 9.1

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.89 AU - 2.37 AU

Year: 2108 Days

Day: 10.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,744,375 km

• M1: 118,482 km (0.103 R)
• M2: 540,048 km (0.096 R)
• M3: 885,320 km (0.113 R)
• M4: 1,456,036 km (0.112 R)
• M5: 1,939,836 km (0.112 R)
• M6: 2,712,209 km (0.109 R)
• M7: 3,020,979 km (0.112 R)
• M8: 3,880,419 km (0.073 R)
• M9: 4,274,161 km (0.037 R)
• M10: 4,773,818 km (0.11 R)
• M11: 5,333,314 km (0.114 R)
• M12: 5,752,786 km (0.074 R)
• M13: 7,464,485 km (0.027 R)
• M14: 8,132,290 km (0.095 R)
• M15: 8,688,944 km (0.098 R)
• M16: 10,275,279 km (0.086 R)
• M17: 10,856,168 km (0.102 R)
• M18: 12,309,362 km (0.066 R)
• M19: 13,161,770 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.9

Radius: 9.5

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.08 AU - 4.14 AU

Year: 4652 Days

Day: 8.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,744,375 km

• M1: 119,379 km (0.117 R)
• M2: 428,747 km (0.091 R)
• M3: 836,850 km (0.057 R)
• M4: 1,244,505 km (0.095 R)
• M5: 2,113,818 km (0.105 R)
• M6: 3,204,835 km (0.037 R)
• M7: 5,131,506 km (0.091 R)
• M8: 6,481,627 km (0.057 R)
• M9: 6,969,316 km (0.025 R)
• M10: 8,277,250 km (0.053 R)
• M11: 10,824,603 km (0.079 R)
• M12: 14,663,583 km (0.055 R)
• M13: 14,996,289 km (0.09 R)
• M14: 17,160,372 km (0.075 R)
• M15: 19,127,434 km (0.119 R)
• M16: 22,683,226 km (0.11 R)
• M17: 23,128,579 km (0.107 R)
• M18: 25,047,321 km (0.107 R)
• M19: 27,236,088 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.7

Radius: 13.2

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.04 AU - 4.3 AU

Year: 4769 Days

Day: 14.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,744,375 km

• M1: 164,258 km (0.075 R)
• M2: 613,351 km (0.094 R)
• M3: 1,070,373 km (0.081 R)
• M4: 1,521,560 km (0.037 R)
• M5: 1,966,763 km (0.077 R)
• M6: 2,437,996 km (0.077 R)
• M7: 2,879,609 km (0.075 R)
• M8: 4,146,853 km (0.066 R)
• M9: 5,956,090 km (0.113 R)
• M10: 7,446,982 km (0.036 R)
• M11: 10,090,227 km (0.062 R)
• M12: 10,979,137 km (0.096 R)
• M13: 11,510,210 km (0.072 R)
• M14: 12,245,035 km (0.088 R)
• M15: 14,167,367 km (0.104 R)
• M16: 16,226,731 km (0.096 R)
• M17: 17,150,947 km (0.112 R)
• M18: 19,615,273 km (0.065 R)
• M19: 20,597,383 km (0.116 R)
• M20: 24,856,733 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.9

Radius: 4

Gravity: 27.93 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.5 AU - 7.24 AU

Year: 12213 Days

Day: 18 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 32,744,375 km

• M1: 49,816 km (0.111 R)
• M2: 194,328 km (0.107 R)
• M3: 326,423 km (0.089 R)
• M4: 575,952 km (0.079 R)
• M5: 1,091,316 km (0.032 R)
• M6: 1,343,688 km (0.048 R)
• M7: 2,433,808 km (0.096 R)
• M8: 2,653,417 km (0.081 R)
• M9: 2,821,416 km (0.118 R)
• M10: 3,248,817 km (0.114 R)
• M11: 4,728,789 km (0.11 R)
• M12: 5,564,143 km (0.103 R)
• M13: 6,381,097 km (0.079 R)
• M14: 6,760,178 km (0.105 R)
• M15: 6,955,254 km (0.065 R)
• M16: 9,355,701 km (0.088 R)
• M17: 9,549,281 km (0.062 R)
• M18: 10,979,736 km (0.099 R)
• M19: 13,201,414 km (0.068 R)
• M20: 15,367,890 km (0.12 R)
• M21: 16,465,041 km (0.064 R)
• M22: 18,281,907 km (0.12 R)
• M23: 18,508,548 km (0.08 R)
• M24: 20,067,657 km (0.063 R)
• M25: 20,961,504 km (0.05 R)
• M26: 24,802,429 km (0.095 R)
• M27: 26,887,824 km (0.114 R)
• M28: 27,377,607 km (0.091 R)
• M29: 27,973,156 km (0.099 R)
• M30: 29,396,131 km (0.1 R)
• M31: 31,728,661 km (0.092 R)
• M32: 36,518,635 km (0.057 R)
• M33: 36,998,396 km (0.095 R)
• M34: 41,768,623 km (0.107 R)
• M35: 42,955,533 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.2

Radius: 3.9

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 7.35 AU - 7.49 AU

Year: 13709 Days

Day: 18.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,744,375 km

• M1: 48,619 km (0.107 R)
• M2: 184,903 km (0.103 R)
• M3: 382,671 km (0.08 R)
• M4: 547,229 km (0.09 R)
• M5: 870,959 km (0.107 R)
• M6: 1,704,668 km (0.096 R)
• M7: 1,943,576 km (0.113 R)
• M8: 3,619,371 km (0.091 R)
• M9: 3,848,256 km (0.109 R)
• M10: 9,491,237 km (0.108 R)
• M11: 10,014,829 km (0.043 R)
• M12: 10,557,571 km (0.06 R)
• M13: 18,075,911 km (0.108 R)
• M14: 20,341,271 km (0.093 R)
• M15: 21,802,394 km (0.097 R)
• M16: 23,410,272 km (0.029 R)
• M17: 25,095,492 km (0.07 R)
• M18: 25,342,777 km (0.025 R)
• M19: 28,885,404 km (0.109 R)
• M20: 29,247,730 km (0.104 R)
• M21: 30,074,109 km (0.06 R)
• M22: 31,677,200 km (0.109 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 16,510 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit