🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.91 AU - 1.25 AU

Year: 414 Days

Day: 23.5 Hours

Environment

Temp: 9 °C

Axial Tilt: 28.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.33 AU - 2.11 AU

Year: 832 Days

Day: 45.2 Hours

Environment

Temp: -56 °C

Axial Tilt: 8.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,849,794 km

• M1: 463,903 km (0.053 R)

Asteroid Belt

Center: 3.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.6

Radius: 11.2

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.89 AU - 5.95 AU

Year: 4656 Days

Day: 10.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,849,794 km

• M1: 139,276 km (0.064 R)
• M2: 560,693 km (0.097 R)
• M3: 1,914,853 km (0.105 R)
• M4: 2,787,308 km (0.11 R)
• M5: 3,511,062 km (0.072 R)
• M6: 3,972,123 km (0.079 R)
• M7: 6,265,458 km (0.03 R)
• M8: 7,108,292 km (0.049 R)
• M9: 12,256,853 km (0.088 R)
• M10: 18,271,286 km (0.106 R)
• M11: 25,232,074 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.2

Radius: 11.9

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 6.04 AU - 7.94 AU

Year: 6819 Days

Day: 9.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,849,794 km

• M1: 148,102 km (0.116 R)
• M2: 530,474 km (0.027 R)
• M3: 1,077,553 km (0.103 R)
• M4: 2,070,285 km (0.057 R)
• M5: 3,364,007 km (0.104 R)
• M6: 3,914,976 km (0.087 R)
• M7: 5,511,485 km (0.033 R)
• M8: 6,141,292 km (0.036 R)
• M9: 7,906,547 km (0.081 R)
• M10: 9,704,115 km (0.071 R)
• M11: 11,442,143 km (0.101 R)
• M12: 12,524,035 km (0.057 R)
• M13: 13,205,154 km (0.095 R)
• M14: 18,757,329 km (0.096 R)
• M15: 22,660,786 km (0.105 R)
• M16: 29,483,796 km (0.118 R)
• M17: 37,562,230 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 912.2

Radius: 7.9

Gravity: 14.62 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 12.69 AU - 13.35 AU

Year: 17334 Days

Day: 22.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,849,794 km

• M1: 98,435 km (0.05 R)
• M2: 627,862 km (0.076 R)
• M3: 874,848 km (0.1 R)
• M4: 1,148,912 km (0.109 R)
• M5: 1,713,494 km (0.107 R)
• M6: 1,990,400 km (0.068 R)
• M7: 2,406,431 km (0.071 R)
• M8: 2,755,593 km (0.094 R)
• M9: 4,746,441 km (0.025 R)
• M10: 6,931,617 km (0.113 R)
• M11: 7,938,261 km (0.085 R)
• M12: 8,294,604 km (0.085 R)
• M13: 9,598,050 km (0.099 R)
• M14: 15,313,137 km (0.104 R)
• M15: 16,106,754 km (0.106 R)
• M16: 16,678,517 km (0.062 R)
• M17: 17,263,594 km (0.114 R)
• M18: 23,679,548 km (0.067 R)
• M19: 34,122,227 km (0.103 R)
• M20: 34,929,158 km (0.059 R)
• M21: 36,163,191 km (0.066 R)
• M22: 38,140,276 km (0.083 R)
• M23: 39,448,510 km (0.081 R)
• M24: 40,786,513 km (0.1 R)
• M25: 42,462,608 km (0.072 R)
• M26: 44,184,180 km (0.101 R)
• M27: 47,933,103 km (0.105 R)
• M28: 49,970,626 km (0.079 R)
• M29: 50,662,516 km (0.065 R)
• M30: 53,674,370 km (0.089 R)
• M31: 55,316,206 km (0.072 R)
• M32: 56,056,566 km (0.12 R)
• M33: 60,246,952 km (0.057 R)
• M34: 65,876,170 km (0.039 R)
• M35: 70,537,640 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469.4

Radius: 6.2

Gravity: 12.21 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 12.57 AU - 15.55 AU

Year: 19452 Days

Day: 16.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 65,849,794 km

• M1: 90,656 km (0.111 R)
• M2: 312,660 km (0.109 R)
• M3: 557,402 km (0.059 R)
• M4: 816,356 km (0.076 R)
• M5: 1,583,643 km (0.084 R)
• M6: 2,017,626 km (0.118 R)
• M7: 2,232,299 km (0.053 R)
• M8: 3,120,312 km (0.092 R)
• M9: 3,657,818 km (0.052 R)
• M10: 4,008,774 km (0.076 R)
• M11: 4,446,348 km (0.109 R)
• M12: 5,126,121 km (0.099 R)
• M13: 5,756,676 km (0.058 R)
• M14: 6,110,624 km (0.119 R)
• M15: 7,081,664 km (0.097 R)
• M16: 7,767,869 km (0.051 R)
• M17: 8,006,179 km (0.1 R)
• M18: 9,378,739 km (0.028 R)
• M19: 10,607,536 km (0.073 R)
• M20: 11,689,877 km (0.074 R)
• M21: 12,066,415 km (0.076 R)
• M22: 12,386,404 km (0.109 R)
• M23: 14,498,128 km (0.099 R)
• M24: 18,644,831 km (0.109 R)
• M25: 21,590,264 km (0.088 R)
• M26: 22,348,276 km (0.112 R)
• M27: 22,637,150 km (0.102 R)
• M28: 23,320,662 km (0.086 R)
• M29: 24,831,751 km (0.093 R)
• M30: 25,558,796 km (0.063 R)
• M31: 26,299,904 km (0.076 R)
• M32: 32,752,509 km (0.09 R)
• M33: 35,813,880 km (0.108 R)
• M34: 37,413,829 km (0.067 R)
• M35: 40,899,011 km (0.094 R)
• M36: 44,899,407 km (0.106 R)
• M37: 46,288,723 km (0.081 R)
• M38: 50,297,946 km (0.12 R)
• M39: 52,981,881 km (0.118 R)
• M40: 60,478,081 km (0.087 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 19,078 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit