🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229

Radius: 13.4

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.57 AU - 0.79 AU

Year: 357 Days

Day: 5 Hours

Environment

Temp: -128 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,623,522 km

• M1: 166,652 km (0.116 R)
• M2: 630,705 km (0.118 R)
• M3: 1,063,491 km (0.113 R)
• M4: 1,582,147 km (0.11 R)
• M5: 1,999,974 km (0.04 R)
• M6: 2,597,767 km (0.08 R)
• M7: 3,150,830 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.1

Radius: 8

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.97 AU - 1.09 AU

Year: 665 Days

Day: 9.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 71,623,522 km

• M1: 107,710 km (0.086 R)
• M2: 493,972 km (0.093 R)
• M3: 1,148,313 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.3

Radius: 11.5

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.73 AU - 3.15 AU

Year: 3205 Days

Day: 13.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,623,522 km

• M1: 183,407 km (0.089 R)
• M2: 543,639 km (0.094 R)
• M3: 945,758 km (0.116 R)
• M4: 1,304,045 km (0.098 R)
• M5: 1,715,888 km (0.081 R)
• M6: 2,618,412 km (0.085 R)
• M7: 3,222,787 km (0.09 R)
• M8: 3,761,339 km (0.034 R)
• M9: 4,227,337 km (0.05 R)
• M10: 4,833,208 km (0.074 R)
• M11: 5,210,943 km (0.1 R)
• M12: 6,170,314 km (0.112 R)
• M13: 8,709,588 km (0.096 R)
• M14: 12,686,797 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963

Radius: 9

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.12 AU - 3.48 AU

Year: 3812 Days

Day: 7.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,623,522 km

• M1: 111,899 km (0.1 R)
• M2: 600,486 km (0.092 R)
• M3: 982,409 km (0.078 R)
• M4: 1,402,031 km (0.061 R)
• M5: 2,347,340 km (0.105 R)
• M6: 2,742,877 km (0.094 R)
• M7: 3,339,473 km (0.109 R)
• M8: 4,393,241 km (0.113 R)
• M9: 4,918,479 km (0.089 R)
• M10: 5,798,713 km (0.102 R)
• M11: 7,142,251 km (0.112 R)
• M12: 8,606,216 km (0.107 R)
• M13: 10,048,040 km (0.109 R)
• M14: 13,301,195 km (0.115 R)
• M15: 14,998,683 km (0.106 R)
• M16: 18,183,172 km (0.073 R)
• M17: 18,690,459 km (0.112 R)
• M18: 26,091,514 km (0.075 R)
• M19: 27,724,973 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.3

Radius: 13.1

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.24 AU - 4.76 AU

Year: 5087 Days

Day: 8 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,623,522 km

• M1: 162,912 km (0.07 R)
• M2: 609,013 km (0.087 R)
• M3: 1,098,647 km (0.114 R)
• M4: 2,039,767 km (0.068 R)
• M5: 2,578,170 km (0.038 R)
• M6: 3,081,866 km (0.107 R)
• M7: 3,525,723 km (0.059 R)
• M8: 4,506,935 km (0.081 R)
• M9: 5,492,336 km (0.083 R)
• M10: 6,688,521 km (0.084 R)
• M11: 9,107,668 km (0.092 R)
• M12: 9,840,847 km (0.091 R)
• M13: 11,775,746 km (0.088 R)
• M14: 12,205,840 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.7

Radius: 10.8

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.7 AU - 4.74 AU

Year: 5512 Days

Day: 5.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,623,522 km

• M1: 135,087 km (0.114 R)
• M2: 530,474 km (0.11 R)
• M3: 883,824 km (0.07 R)
• M4: 1,313,769 km (0.098 R)
• M5: 1,680,732 km (0.114 R)
• M6: 2,437,847 km (0.101 R)
• M7: 2,866,594 km (0.085 R)
• M8: 3,671,281 km (0.106 R)
• M9: 4,139,223 km (0.099 R)
• M10: 4,567,971 km (0.071 R)
• M11: 4,998,514 km (0.106 R)
• M12: 5,397,342 km (0.081 R)
• M13: 6,791,594 km (0.065 R)
• M14: 7,139,409 km (0.09 R)
• M15: 7,871,092 km (0.063 R)
• M16: 11,354,778 km (0.094 R)
• M17: 12,609,605 km (0.086 R)
• M18: 16,117,824 km (0.113 R)
• M19: 19,592,983 km (0.109 R)
• M20: 24,826,515 km (0.062 R)
• M21: 26,331,020 km (0.063 R)
• M22: 26,932,254 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.3

Radius: 3.5

Gravity: 73.58 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 8.35 AU - 8.77 AU

Year: 15924 Days

Day: 16.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,623,522 km

• M1: 43,533 km (0.102 R)
• M2: 155,283 km (0.074 R)
• M3: 310,116 km (0.119 R)
• M4: 420,669 km (0.104 R)
• M5: 542,292 km (0.081 R)
• M6: 678,426 km (0.117 R)
• M7: 805,734 km (0.103 R)
• M8: 1,631,814 km (0.063 R)
• M9: 2,280,769 km (0.075 R)
• M10: 2,881,853 km (0.086 R)
• M11: 4,322,331 km (0.084 R)
• M12: 4,488,535 km (0.112 R)
• M13: 4,833,956 km (0.104 R)
• M14: 5,734,685 km (0.082 R)
• M15: 6,224,468 km (0.055 R)
• M16: 7,333,736 km (0.119 R)
• M17: 9,763,804 km (0.085 R)
• M18: 10,050,284 km (0.113 R)
• M19: 14,819,464 km (0.1 R)
• M20: 14,969,960 km (0.079 R)
• M21: 19,520,278 km (0.098 R)
• M22: 21,862,682 km (0.078 R)
• M23: 22,254,030 km (0.107 R)
• M24: 23,151,617 km (0.094 R)
• M25: 25,018,748 km (0.055 R)
• M26: 27,434,155 km (0.098 R)
• M27: 31,714,150 km (0.071 R)
• M28: 37,662,910 km (0.026 R)
• M29: 42,621,032 km (0.116 R)
• M30: 44,157,851 km (0.068 R)
• M31: 55,963,965 km (0.088 R)
• M32: 60,450,555 km (0.098 R)
• M33: 62,192,921 km (0.076 R)
• M34: 68,034,718 km (0.114 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 18,949 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit