🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501

Radius: 9.4

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.42 AU - 1.94 AU

Year: 1385 Days

Day: 12.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,559,375 km

• M1: 116,986 km (0.115 R)
• M2: 603,179 km (0.031 R)
• M3: 1,071,719 km (0.117 R)
• M4: 1,462,918 km (0.104 R)
• M5: 1,868,926 km (0.093 R)
• M6: 2,360,804 km (0.059 R)
• M7: 3,004,972 km (0.079 R)
• M8: 3,436,113 km (0.117 R)
• M9: 4,041,237 km (0.116 R)
• M10: 4,334,150 km (0.084 R)
• M11: 4,678,374 km (0.09 R)
• M12: 5,779,265 km (0.08 R)
• M13: 6,242,270 km (0.047 R)
• M14: 6,587,991 km (0.091 R)
• M15: 7,068,948 km (0.095 R)
• M16: 7,521,781 km (0.066 R)
• M17: 7,887,099 km (0.062 R)
• M18: 8,795,457 km (0.065 R)
• M19: 9,895,151 km (0.115 R)
• M20: 10,270,941 km (0.039 R)
• M21: 11,218,195 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.7

Radius: 12.5

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.55 AU - 2.41 AU

Year: 1771 Days

Day: 13.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,559,375 km

• M1: 155,432 km (0.11 R)
• M2: 643,570 km (0.065 R)
• M3: 1,161,627 km (0.092 R)
• M4: 1,726,359 km (0.068 R)
• M5: 2,509,654 km (0.095 R)
• M6: 3,306,412 km (0.112 R)
• M7: 4,360,928 km (0.117 R)
• M8: 4,841,137 km (0.096 R)
• M9: 5,908,518 km (0.103 R)
• M10: 7,345,106 km (0.081 R)
• M11: 8,145,454 km (0.08 R)
• M12: 9,034,664 km (0.098 R)
• M13: 11,710,671 km (0.117 R)
• M14: 15,099,960 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.2

Radius: 13.3

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.54 AU - 2.6 AU

Year: 2620 Days

Day: 6.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,559,375 km

• M1: 184,005 km (0.068 R)
• M2: 1,175,390 km (0.083 R)
• M3: 1,604,437 km (0.092 R)
• M4: 2,783,867 km (0.102 R)
• M5: 3,975,264 km (0.12 R)
• M6: 5,108,318 km (0.1 R)
• M7: 5,536,916 km (0.096 R)
• M8: 6,694,206 km (0.119 R)
• M9: 7,186,831 km (0.102 R)
• M10: 7,772,956 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.7

Radius: 12.6

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.26 AU - 3.18 AU

Year: 2852 Days

Day: 7.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,559,375 km

• M1: 156,779 km (0.058 R)
• M2: 623,225 km (0.111 R)
• M3: 1,142,329 km (0.092 R)
• M4: 1,703,172 km (0.106 R)
• M5: 2,302,760 km (0.12 R)
• M6: 2,699,643 km (0.09 R)
• M7: 4,198,165 km (0.086 R)
• M8: 8,721,406 km (0.105 R)
• M9: 11,488,967 km (0.056 R)
• M10: 12,175,621 km (0.075 R)
• M11: 14,696,794 km (0.095 R)
• M12: 16,345,213 km (0.085 R)
• M13: 18,113,759 km (0.094 R)
• M14: 20,937,868 km (0.082 R)
• M15: 21,510,379 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.6

Radius: 12.5

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.74 AU - 4.38 AU

Year: 5201 Days

Day: 12 Hours

Environment

Temp: -218 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,559,375 km

• M1: 155,432 km (0.065 R)
• M2: 780,901 km (0.111 R)
• M3: 1,270,984 km (0.095 R)
• M4: 2,273,289 km (0.115 R)
• M5: 2,672,117 km (0.098 R)
• M6: 3,377,322 km (0.043 R)
• M7: 4,060,236 km (0.069 R)
• M8: 4,878,985 km (0.108 R)
• M9: 6,147,575 km (0.052 R)
• M10: 9,010,130 km (0.047 R)
• M11: 9,947,660 km (0.057 R)
• M12: 10,869,931 km (0.086 R)
• M13: 11,352,085 km (0.114 R)
• M14: 12,840,284 km (0.117 R)
• M15: 14,696,046 km (0.106 R)
• M16: 15,186,727 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.7

Radius: 12

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.16 AU - 5.76 AU

Year: 7024 Days

Day: 7.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,559,375 km

• M1: 150,795 km (0.108 R)
• M2: 764,595 km (0.039 R)
• M3: 1,142,928 km (0.074 R)
• M4: 1,573,770 km (0.058 R)
• M5: 2,066,844 km (0.099 R)
• M6: 2,534,637 km (0.065 R)
• M7: 3,134,973 km (0.095 R)
• M8: 4,072,952 km (0.063 R)
• M9: 5,130,609 km (0.094 R)
• M10: 6,095,216 km (0.105 R)
• M11: 8,884,169 km (0.04 R)
• M12: 9,947,211 km (0.114 R)
• M13: 11,093,281 km (0.103 R)
• M14: 13,818,056 km (0.112 R)
• M15: 14,697,692 km (0.094 R)
• M16: 15,489,962 km (0.054 R)
• M17: 18,314,669 km (0.074 R)
• M18: 20,930,238 km (0.114 R)
• M19: 24,285,419 km (0.094 R)
• M20: 26,801,207 km (0.106 R)
• M21: 27,616,216 km (0.114 R)
• M22: 29,390,746 km (0.102 R)
• M23: 31,240,075 km (0.108 R)
• M24: 32,041,470 km (0.061 R)
• M25: 32,856,629 km (0.117 R)
• M26: 37,364,462 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.5

Radius: 4.8

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 8.68 AU - 13.34 AU

Year: 23228 Days

Day: 18.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,559,375 km

• M1: 59,839 km (0.107 R)
• M2: 238,010 km (0.103 R)
• M3: 1,236,875 km (0.088 R)
• M4: 1,923,230 km (0.12 R)
• M5: 2,589,390 km (0.106 R)
• M6: 4,941,666 km (0.116 R)
• M7: 13,143,071 km (0.113 R)
• M8: 16,423,602 km (0.103 R)
• M9: 22,260,462 km (0.119 R)
• M10: 23,765,118 km (0.093 R)
• M11: 24,054,590 km (0.096 R)
• M12: 35,230,448 km (0.076 R)
• M13: 38,848,173 km (0.115 R)
• M14: 39,384,482 km (0.083 R)
• M15: 39,925,577 km (0.054 R)
• M16: 40,884,500 km (0.026 R)
• M17: 47,418,486 km (0.031 R)
• M18: 50,692,585 km (0.064 R)
• M19: 53,450,721 km (0.111 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 19,550 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit