🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.8

Radius: 11.2

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.6 AU - 0.8 AU

Year: 391 Days

Day: 7.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,375,000 km

• M1: 139,874 km (0.102 R)
• M2: 560,693 km (0.102 R)
• M3: 1,592,170 km (0.107 R)
• M4: 2,198,191 km (0.096 R)
• M5: 3,309,254 km (0.117 R)
• M6: 3,707,035 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.4

Radius: 10.9

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.97 AU - 1.13 AU

Year: 717 Days

Day: 11.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,375,000 km

• M1: 135,685 km (0.088 R)
• M2: 706,551 km (0.117 R)
• M3: 1,314,516 km (0.06 R)
• M4: 1,762,562 km (0.083 R)
• M5: 2,297,524 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.9

Radius: 12.9

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.93 AU - 1.27 AU

Year: 769 Days

Day: 12.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,375,000 km

• M1: 160,369 km (0.113 R)
• M2: 641,476 km (0.105 R)
• M3: 1,097,001 km (0.092 R)
• M4: 1,506,899 km (0.094 R)
• M5: 1,939,985 km (0.079 R)
• M6: 2,383,992 km (0.111 R)
• M7: 2,860,461 km (0.075 R)
• M8: 4,942,714 km (0.049 R)
• M9: 5,725,111 km (0.115 R)
• M10: 6,257,679 km (0.094 R)
• M11: 7,422,298 km (0.063 R)
• M12: 7,888,595 km (0.118 R)
• M13: 8,499,104 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.1

Radius: 11.1

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.88 AU - 1.4 AU

Year: 812 Days

Day: 6.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,375,000 km

• M1: 138,079 km (0.04 R)
• M2: 503,546 km (0.109 R)
• M3: 1,196,933 km (0.103 R)
• M4: 1,638,246 km (0.095 R)
• M5: 2,314,129 km (0.112 R)
• M6: 2,687,376 km (0.036 R)
• M7: 3,114,328 km (0.068 R)
• M8: 3,615,481 km (0.104 R)
• M9: 4,089,856 km (0.091 R)
• M10: 5,277,214 km (0.063 R)
• M11: 5,746,952 km (0.111 R)
• M12: 6,416,851 km (0.025 R)
• M13: 7,138,062 km (0.09 R)
• M14: 7,518,639 km (0.06 R)
• M15: 8,038,492 km (0.118 R)
• M16: 9,205,804 km (0.082 R)
• M17: 9,714,736 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.6

Radius: 10.2

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.19 AU - 1.77 AU

Year: 1201 Days

Day: 6.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,375,000 km

• M1: 127,158 km (0.071 R)
• M2: 535,710 km (0.117 R)
• M3: 857,345 km (0.105 R)
• M4: 1,199,326 km (0.064 R)
• M5: 2,093,772 km (0.092 R)
• M6: 2,888,735 km (0.119 R)
• M7: 3,247,919 km (0.062 R)
• M8: 3,813,250 km (0.062 R)
• M9: 4,279,397 km (0.029 R)
• M10: 4,835,751 km (0.11 R)
• M11: 5,233,083 km (0.11 R)
• M12: 6,776,185 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.7

Radius: 14.7

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.72 AU - 1.94 AU

Year: 1651 Days

Day: 11.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,375,000 km

• M1: 182,809 km (0.117 R)
• M2: 731,234 km (0.026 R)
• M3: 1,464,563 km (0.117 R)
• M4: 1,964,818 km (0.119 R)
• M5: 2,751,105 km (0.071 R)
• M6: 3,647,944 km (0.071 R)
• M7: 4,224,494 km (0.119 R)
• M8: 4,861,482 km (0.118 R)
• M9: 5,420,828 km (0.107 R)
• M10: 7,022,274 km (0.079 R)
• M11: 7,637,719 km (0.119 R)
• M12: 8,669,795 km (0.068 R)
• M13: 9,234,228 km (0.09 R)
• M14: 10,004,507 km (0.055 R)
• M15: 10,468,261 km (0.101 R)
• M16: 11,011,151 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.4

Radius: 6.6

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.75 AU - 9.35 AU

Year: 15231 Days

Day: 19.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,375,000 km

• M1: 82,428 km (0.092 R)
• M2: 308,321 km (0.106 R)
• M3: 714,779 km (0.099 R)
• M4: 1,202,468 km (0.106 R)
• M5: 1,996,683 km (0.116 R)
• M6: 2,275,084 km (0.098 R)
• M7: 2,686,628 km (0.104 R)
• M8: 3,026,963 km (0.112 R)
• M9: 3,269,611 km (0.098 R)
• M10: 3,821,627 km (0.079 R)
• M11: 4,134,736 km (0.049 R)
• M12: 4,877,339 km (0.099 R)
• M13: 5,109,814 km (0.111 R)
• M14: 6,230,153 km (0.037 R)
• M15: 8,750,727 km (0.096 R)
• M16: 10,181,332 km (0.066 R)
• M17: 11,294,340 km (0.103 R)
• M18: 14,091,072 km (0.111 R)
• M19: 14,563,951 km (0.082 R)
• M20: 15,047,451 km (0.048 R)
• M21: 19,143,292 km (0.102 R)
• M22: 22,161,429 km (0.093 R)
• M23: 24,021,080 km (0.111 R)
• M24: 37,151,135 km (0.113 R)
• M25: 37,664,854 km (0.062 R)
• M26: 41,393,880 km (0.08 R)
• M27: 41,945,897 km (0.099 R)
• M28: 46,095,891 km (0.098 R)
• M29: 50,983,852 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 13,604 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit