🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.2

Radius: 10.1

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.45 AU - 0.61 AU

Year: 257 Days

Day: 13.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 75,835,685 km

• M1: 125,662 km (0.1 R)
• M2: 520,152 km (0.089 R)
• M3: 840,590 km (0.051 R)
• M4: 1,156,840 km (0.051 R)
• M5: 1,765,105 km (0.1 R)
• M6: 2,251,747 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.2

Radius: 13.6

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.57 AU - 0.65 AU

Year: 318 Days

Day: 10.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 75,835,685 km

• M1: 169,195 km (0.093 R)
• M2: 627,713 km (0.09 R)
• M3: 1,064,688 km (0.078 R)
• M4: 2,711,761 km (0.064 R)
• M5: 3,434,917 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.3

Radius: 9.5

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.62 AU - 1.02 AU

Year: 495 Days

Day: 10.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,835,685 km

• M1: 119,678 km (0.073 R)
• M2: 480,508 km (0.08 R)
• M3: 804,537 km (0.114 R)
• M4: 1,106,875 km (0.065 R)
• M5: 1,424,471 km (0.111 R)
• M6: 1,852,770 km (0.091 R)
• M7: 2,465,074 km (0.098 R)
• M8: 2,971,014 km (0.105 R)
• M9: 3,366,550 km (0.101 R)
• M10: 3,729,625 km (0.101 R)
• M11: 4,995,073 km (0.111 R)
• M12: 5,609,771 km (0.094 R)
• M13: 6,009,646 km (0.094 R)
• M14: 6,565,851 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.8

Radius: 13.4

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.38 AU - 1.44 AU

Year: 1116 Days

Day: 5.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,835,685 km

• M1: 166,652 km (0.099 R)
• M2: 606,919 km (0.039 R)
• M3: 1,573,620 km (0.104 R)
• M4: 2,093,024 km (0.096 R)
• M5: 2,650,425 km (0.1 R)
• M6: 3,673,226 km (0.112 R)
• M7: 4,866,718 km (0.1 R)
• M8: 5,303,843 km (0.113 R)
• M9: 5,810,980 km (0.033 R)
• M10: 6,281,016 km (0.1 R)
• M11: 6,825,104 km (0.105 R)
• M12: 7,272,700 km (0.096 R)
• M13: 8,117,180 km (0.094 R)
• M14: 9,263,699 km (0.111 R)
• M15: 10,001,814 km (0.08 R)
• M16: 11,353,132 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.2

Radius: 9.8

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.57 AU - 2.57 AU

Year: 1986 Days

Day: 14.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 75,835,685 km

• M1: 121,922 km (0.116 R)
• M2: 921,822 km (0.036 R)
• M3: 1,903,932 km (0.075 R)
• M4: 2,826,652 km (0.11 R)
• M5: 3,175,514 km (0.115 R)
• M6: 4,672,091 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233

Radius: 3.3

Gravity: 21.4 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.4 AU - 6.86 AU

Year: 10121 Days

Day: 19.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 75,835,685 km

• M1: 40,990 km (0.061 R)
• M2: 192,383 km (0.038 R)
• M3: 344,225 km (0.085 R)
• M4: 599,588 km (0.117 R)
• M5: 812,765 km (0.055 R)
• M6: 978,220 km (0.097 R)
• M7: 2,070,285 km (0.103 R)
• M8: 2,180,987 km (0.059 R)
• M9: 3,070,048 km (0.031 R)
• M10: 4,669,398 km (0.079 R)
• M11: 8,108,653 km (0.097 R)
• M12: 9,080,740 km (0.091 R)
• M13: 9,207,450 km (0.086 R)
• M14: 10,964,028 km (0.05 R)
• M15: 11,595,929 km (0.101 R)
• M16: 15,783,024 km (0.105 R)
• M17: 16,274,902 km (0.075 R)
• M18: 16,524,581 km (0.111 R)
• M19: 17,745,898 km (0.115 R)
• M20: 23,789,951 km (0.11 R)
• M21: 25,763,446 km (0.028 R)
• M22: 27,313,280 km (0.075 R)
• M23: 27,665,882 km (0.079 R)
• M24: 28,021,626 km (0.074 R)
• M25: 29,106,959 km (0.116 R)
• M26: 30,126,169 km (0.101 R)
• M27: 31,361,099 km (0.047 R)
• M28: 31,844,899 km (0.111 R)
• M29: 32,137,662 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910.6

Radius: 4

Gravity: 56.91 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.97 AU - 10.53 AU

Year: 17260 Days

Day: 18.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,835,685 km

• M1: 50,564 km (0.094 R)
• M2: 216,319 km (0.111 R)
• M3: 371,900 km (0.118 R)
• M4: 603,029 km (0.049 R)
• M5: 802,892 km (0.113 R)
• M6: 1,008,439 km (0.079 R)
• M7: 1,558,062 km (0.086 R)
• M8: 1,936,544 km (0.094 R)
• M9: 3,188,978 km (0.09 R)
• M10: 3,440,302 km (0.1 R)
• M11: 3,704,791 km (0.045 R)
• M12: 4,208,338 km (0.115 R)
• M13: 4,720,411 km (0.103 R)
• M14: 5,046,983 km (0.091 R)
• M15: 5,584,788 km (0.088 R)
• M16: 8,223,245 km (0.027 R)
• M17: 9,579,948 km (0.082 R)
• M18: 11,268,759 km (0.092 R)
• M19: 11,460,693 km (0.091 R)
• M20: 11,851,143 km (0.113 R)
• M21: 12,116,380 km (0.05 R)
• M22: 13,574,062 km (0.09 R)
• M23: 14,836,518 km (0.066 R)
• M24: 15,773,450 km (0.116 R)
• M25: 16,337,733 km (0.081 R)
• M26: 21,249,031 km (0.059 R)
• M27: 24,946,043 km (0.103 R)
• M28: 37,273,506 km (0.069 R)
• M29: 42,914,992 km (0.118 R)
• M30: 44,488,761 km (0.08 R)
• M31: 48,929,574 km (0.08 R)
• M32: 49,440,600 km (0.096 R)
• M33: 50,473,125 km (0.078 R)
• M34: 50,646,509 km (0.075 R)
• M35: 61,997,247 km (0.078 R)
• M36: 62,595,339 km (0.12 R)
• M37: 64,006,197 km (0.051 R)
• M38: 72,697,085 km (0.087 R)
• M39: 72,918,341 km (0.09 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 19,421 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit