🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.2

Radius: 8.8

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1 AU - 1.02 AU

Year: 666 Days

Day: 5.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,165,129 km

• M1: 109,655 km (0.111 R)
• M2: 403,615 km (0.064 R)
• M3: 835,055 km (0.081 R)
• M4: 1,335,011 km (0.082 R)
• M5: 1,715,140 km (0.083 R)
• M6: 2,090,331 km (0.084 R)
• M7: 2,435,005 km (0.103 R)
• M8: 3,448,680 km (0.115 R)
• M9: 3,855,436 km (0.048 R)
• M10: 4,184,552 km (0.114 R)
• M11: 4,489,731 km (0.106 R)
• M12: 4,824,681 km (0.116 R)
• M13: 5,144,970 km (0.097 R)
• M14: 5,577,757 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.9

Radius: 14.4

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.3 AU - 1.34 AU

Year: 995 Days

Day: 9.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,165,129 km

• M1: 179,218 km (0.082 R)
• M2: 631,901 km (0.078 R)
• M3: 1,215,034 km (0.106 R)
• M4: 2,883,948 km (0.074 R)
• M5: 3,859,475 km (0.113 R)
• M6: 4,541,642 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.8

Radius: 14.2

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.66 AU - 4.26 AU

Year: 4222 Days

Day: 11.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,165,129 km

• M1: 176,525 km (0.072 R)
• M2: 632,949 km (0.102 R)
• M3: 1,153,998 km (0.034 R)
• M4: 1,740,870 km (0.109 R)
• M5: 2,191,609 km (0.06 R)
• M6: 3,184,490 km (0.058 R)
• M7: 4,483,149 km (0.069 R)
• M8: 5,030,228 km (0.119 R)
• M9: 5,848,230 km (0.11 R)
• M10: 7,508,766 km (0.039 R)
• M11: 8,247,331 km (0.06 R)
• M12: 9,545,541 km (0.114 R)
• M13: 11,064,408 km (0.054 R)
• M14: 12,210,477 km (0.103 R)
• M15: 13,283,094 km (0.081 R)
• M16: 14,259,220 km (0.068 R)
• M17: 15,117,912 km (0.114 R)
• M18: 15,840,769 km (0.091 R)
• M19: 18,024,898 km (0.113 R)
• M20: 19,285,858 km (0.076 R)
• M21: 20,672,331 km (0.086 R)
• M22: 21,493,923 km (0.108 R)
• M23: 25,076,493 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.6

Radius: 10.6

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.04 AU - 4.42 AU

Year: 4726 Days

Day: 7.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,165,129 km

• M1: 131,945 km (0.118 R)
• M2: 572,062 km (0.055 R)
• M3: 1,219,971 km (0.056 R)
• M4: 1,785,002 km (0.032 R)
• M5: 2,115,613 km (0.115 R)
• M6: 2,738,090 km (0.108 R)
• M7: 3,146,342 km (0.09 R)
• M8: 3,594,986 km (0.069 R)
• M9: 4,552,114 km (0.111 R)
• M10: 6,631,823 km (0.104 R)
• M11: 7,026,612 km (0.096 R)
• M12: 7,863,313 km (0.102 R)
• M13: 8,622,223 km (0.119 R)
• M14: 9,429,154 km (0.098 R)
• M15: 9,851,020 km (0.071 R)
• M16: 11,108,539 km (0.101 R)
• M17: 12,745,888 km (0.115 R)
• M18: 13,167,305 km (0.11 R)
• M19: 14,336,862 km (0.045 R)
• M20: 14,947,071 km (0.117 R)
• M21: 15,468,719 km (0.087 R)
• M22: 16,548,367 km (0.088 R)
• M23: 17,562,341 km (0.115 R)
• M24: 22,575,515 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.7

Radius: 8.6

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.38 AU - 5.08 AU

Year: 5707 Days

Day: 10.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,165,129 km

• M1: 107,262 km (0.059 R)
• M2: 494,720 km (0.102 R)
• M3: 1,489,845 km (0.08 R)
• M4: 1,828,984 km (0.101 R)
• M5: 2,975,202 km (0.106 R)
• M6: 3,350,544 km (0.059 R)
• M7: 3,625,504 km (0.113 R)
• M8: 4,269,374 km (0.091 R)
• M9: 5,783,454 km (0.037 R)
• M10: 6,149,520 km (0.097 R)
• M11: 8,255,558 km (0.118 R)
• M12: 10,893,119 km (0.09 R)
• M13: 11,884,504 km (0.091 R)
• M14: 12,427,245 km (0.077 R)
• M15: 16,699,910 km (0.096 R)
• M16: 17,255,666 km (0.079 R)
• M17: 17,887,717 km (0.068 R)
• M18: 22,751,143 km (0.046 R)
• M19: 24,523,878 km (0.117 R)
• M20: 25,891,951 km (0.064 R)
• M21: 26,971,898 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.6

Radius: 8.8

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.2 AU - 6.44 AU

Year: 9211 Days

Day: 14.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,165,129 km

• M1: 109,954 km (0.119 R)
• M2: 385,364 km (0.111 R)
• M3: 961,914 km (0.032 R)
• M4: 1,257,968 km (0.053 R)
• M5: 2,558,872 km (0.075 R)
• M6: 4,281,192 km (0.082 R)
• M7: 4,885,866 km (0.085 R)
• M8: 5,712,095 km (0.055 R)
• M9: 6,300,763 km (0.058 R)
• M10: 6,591,581 km (0.03 R)
• M11: 13,489,240 km (0.061 R)
• M12: 14,785,206 km (0.098 R)
• M13: 17,910,755 km (0.046 R)
• M14: 18,718,583 km (0.086 R)
• M15: 20,171,029 km (0.111 R)
• M16: 20,964,945 km (0.117 R)
• M17: 22,362,189 km (0.119 R)
• M18: 23,996,097 km (0.112 R)
• M19: 29,982,555 km (0.08 R)
• M20: 31,436,197 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.3

Radius: 5.9

Gravity: 13.14 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.99 AU - 11.43 AU

Year: 19849 Days

Day: 24.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,165,129 km

• M1: 73,453 km (0.092 R)
• M2: 305,479 km (0.118 R)
• M3: 533,915 km (0.118 R)
• M4: 739,462 km (0.104 R)
• M5: 1,169,257 km (0.107 R)
• M6: 2,740,483 km (0.116 R)
• M7: 3,234,755 km (0.072 R)
• M8: 4,729,237 km (0.108 R)
• M9: 5,075,706 km (0.039 R)
• M10: 6,847,992 km (0.108 R)
• M11: 7,291,550 km (0.107 R)
• M12: 9,312,916 km (0.059 R)
• M13: 10,596,466 km (0.088 R)
• M14: 13,373,002 km (0.038 R)
• M15: 17,561,892 km (0.079 R)
• M16: 17,973,735 km (0.074 R)
• M17: 20,854,691 km (0.087 R)
• M18: 21,785,040 km (0.101 R)
• M19: 22,260,462 km (0.109 R)
• M20: 23,529,052 km (0.096 R)
• M21: 24,029,457 km (0.043 R)
• M22: 34,166,807 km (0.086 R)
• M23: 35,197,237 km (0.105 R)
• M24: 39,667,371 km (0.053 R)
• M25: 42,848,869 km (0.111 R)
• M26: 59,281,148 km (0.087 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 14,991 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit