🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.2

Radius: 8.4

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.65 AU - 0.97 AU

Year: 478 Days

Day: 14.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,428,971 km

• M1: 104,569 km (0.086 R)
• M2: 368,160 km (0.111 R)
• M3: 666,907 km (0.082 R)
• M4: 1,041,052 km (0.117 R)
• M5: 1,325,288 km (0.097 R)
• M6: 1,655,001 km (0.107 R)
• M7: 2,039,169 km (0.117 R)
• M8: 2,318,767 km (0.07 R)
• M9: 3,193,167 km (0.062 R)
• M10: 3,693,571 km (0.074 R)
• M11: 4,245,139 km (0.078 R)
• M12: 4,519,800 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.7

Radius: 12.6

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.65 AU - 4.05 AU

Year: 4022 Days

Day: 13 Hours

Environment

Temp: -201 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,428,971 km

• M1: 164,109 km (0.103 R)
• M2: 766,539 km (0.111 R)
• M3: 1,377,946 km (0.083 R)
• M4: 1,916,349 km (0.082 R)
• M5: 3,123,903 km (0.114 R)
• M6: 3,543,525 km (0.06 R)
• M7: 5,061,345 km (0.07 R)
• M8: 5,562,049 km (0.085 R)
• M9: 7,530,308 km (0.051 R)
• M10: 8,255,708 km (0.044 R)
• M11: 8,653,938 km (0.107 R)
• M12: 10,007,499 km (0.088 R)
• M13: 10,586,892 km (0.098 R)
• M14: 12,413,183 km (0.1 R)
• M15: 14,131,314 km (0.089 R)
• M16: 16,114,683 km (0.096 R)
• M17: 16,969,335 km (0.092 R)
• M18: 19,523,719 km (0.114 R)
• M19: 20,759,547 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830

Radius: 13

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.11 AU - 4.85 AU

Year: 5209 Days

Day: 8 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,428,971 km

• M1: 161,865 km (0.076 R)
• M2: 628,161 km (0.091 R)
• M3: 1,281,306 km (0.081 R)
• M4: 2,381,149 km (0.098 R)
• M5: 2,815,731 km (0.112 R)
• M6: 3,303,719 km (0.108 R)
• M7: 4,658,178 km (0.072 R)
• M8: 6,419,993 km (0.11 R)
• M9: 7,379,513 km (0.094 R)
• M10: 8,121,818 km (0.09 R)
• M11: 9,119,037 km (0.098 R)
• M12: 10,696,397 km (0.068 R)
• M13: 11,745,976 km (0.115 R)
• M14: 13,664,419 km (0.073 R)
• M15: 19,189,667 km (0.03 R)
• M16: 19,673,317 km (0.073 R)
• M17: 21,541,794 km (0.034 R)
• M18: 22,442,972 km (0.075 R)
• M19: 26,300,802 km (0.082 R)
• M20: 26,984,165 km (0.031 R)
• M21: 27,591,682 km (0.053 R)
• M22: 30,392,902 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.6

Radius: 11.6

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.56 AU - 7.08 AU

Year: 9211 Days

Day: 12.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,428,971 km

• M1: 178,321 km (0.087 R)
• M2: 710,739 km (0.078 R)
• M3: 1,245,402 km (0.086 R)
• M4: 1,659,040 km (0.09 R)
• M5: 2,229,457 km (0.094 R)
• M6: 2,811,243 km (0.118 R)
• M7: 3,211,717 km (0.082 R)
• M8: 3,836,886 km (0.113 R)
• M9: 7,218,247 km (0.11 R)
• M10: 7,704,590 km (0.104 R)
• M11: 14,481,523 km (0.034 R)
• M12: 19,915,965 km (0.042 R)
• M13: 25,445,999 km (0.108 R)
• M14: 25,962,860 km (0.102 R)
• M15: 28,192,616 km (0.037 R)
• M16: 31,921,343 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.5

Radius: 7.1

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.91 AU - 6.21 AU

Year: 9786 Days

Day: 21.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,428,971 km

• M1: 91,703 km (0.052 R)
• M2: 388,506 km (0.062 R)
• M3: 770,429 km (0.076 R)
• M4: 1,097,001 km (0.12 R)
• M5: 1,375,403 km (0.047 R)
• M6: 1,611,767 km (0.098 R)
• M7: 1,847,683 km (0.033 R)
• M8: 3,212,465 km (0.12 R)
• M9: 3,546,218 km (0.099 R)
• M10: 3,972,272 km (0.117 R)
• M11: 4,234,368 km (0.066 R)
• M12: 5,229,792 km (0.109 R)
• M13: 6,150,866 km (0.096 R)
• M14: 8,740,106 km (0.037 R)
• M15: 10,837,618 km (0.098 R)
• M16: 13,040,147 km (0.093 R)
• M17: 13,460,816 km (0.029 R)
• M18: 14,720,430 km (0.074 R)
• M19: 17,726,749 km (0.086 R)
• M20: 21,845,777 km (0.086 R)
• M21: 22,364,433 km (0.065 R)
• M22: 25,162,063 km (0.044 R)
• M23: 26,728,801 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.7

Radius: 6.6

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.53 AU - 7.25 AU

Year: 11864 Days

Day: 19.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,428,971 km

• M1: 82,129 km (0.07 R)
• M2: 546,182 km (0.108 R)
• M3: 1,504,955 km (0.054 R)
• M4: 3,069,150 km (0.12 R)
• M5: 4,526,084 km (0.1 R)
• M6: 8,247,630 km (0.091 R)
• M7: 8,842,880 km (0.091 R)
• M8: 10,074,519 km (0.083 R)
• M9: 11,177,055 km (0.068 R)
• M10: 17,208,991 km (0.101 R)
• M11: 20,158,163 km (0.1 R)
• M12: 24,217,502 km (0.12 R)
• M13: 29,150,043 km (0.105 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: 518 - 20,254 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit