🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.2

Radius: 12.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.54 AU - 0.6 AU

Year: 302 Days

Day: 7.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 55,309,174 km

• M1: 154,235 km (0.115 R)
• M2: 645,814 km (0.054 R)
• M3: 1,117,197 km (0.066 R)
• M4: 1,917,695 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.5

Radius: 9.2

Gravity: 11.79 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.76 AU - 0.84 AU

Year: 503 Days

Day: 5.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,309,174 km

• M1: 114,442 km (0.04 R)
• M2: 460,163 km (0.074 R)
• M3: 769,831 km (0.032 R)
• M4: 1,443,021 km (0.109 R)
• M5: 2,043,058 km (0.094 R)
• M6: 2,734,051 km (0.114 R)
• M7: 3,055,985 km (0.112 R)
• M8: 3,364,606 km (0.044 R)
• M9: 3,694,319 km (0.071 R)
• M10: 4,236,911 km (0.108 R)
• M11: 4,574,703 km (0.038 R)
• M12: 4,913,991 km (0.081 R)
• M13: 5,357,249 km (0.103 R)
• M14: 5,826,987 km (0.096 R)
• M15: 6,284,756 km (0.119 R)
• M16: 7,229,467 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.6

Radius: 10.1

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.43 AU - 1.47 AU

Year: 1227 Days

Day: 10.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,309,174 km

• M1: 125,662 km (0.06 R)
• M2: 448,943 km (0.051 R)
• M3: 812,915 km (0.032 R)
• M4: 1,226,553 km (0.047 R)
• M5: 1,805,048 km (0.095 R)
• M6: 2,557,226 km (0.119 R)
• M7: 3,104,006 km (0.074 R)
• M8: 4,167,049 km (0.084 R)
• M9: 4,925,959 km (0.086 R)
• M10: 5,293,820 km (0.104 R)
• M11: 6,064,997 km (0.056 R)
• M12: 6,612,675 km (0.082 R)
• M13: 7,393,725 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.7

Radius: 14.6

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.43 AU - 1.51 AU

Year: 1253 Days

Day: 13.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,309,174 km

• M1: 182,809 km (0.116 R)
• M2: 699,071 km (0.115 R)
• M3: 1,220,569 km (0.109 R)
• M4: 1,793,529 km (0.074 R)
• M5: 2,488,261 km (0.119 R)
• M6: 3,487,725 km (0.12 R)
• M7: 3,944,148 km (0.109 R)
• M8: 4,813,311 km (0.102 R)
• M9: 5,421,726 km (0.072 R)
• M10: 6,610,431 km (0.117 R)
• M11: 7,146,589 km (0.053 R)
• M12: 10,339,008 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.7

Radius: 12.3

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.44 AU - 4.5 AU

Year: 5560 Days

Day: 7.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,309,174 km

• M1: 154,385 km (0.056 R)
• M2: 669,002 km (0.104 R)
• M3: 1,073,814 km (0.117 R)
• M4: 1,555,219 km (0.095 R)
• M5: 2,023,461 km (0.104 R)
• M6: 4,328,465 km (0.085 R)
• M7: 4,719,663 km (0.06 R)
• M8: 6,280,119 km (0.103 R)
• M9: 6,687,174 km (0.065 R)
• M10: 7,835,787 km (0.114 R)
• M11: 8,532,763 km (0.107 R)
• M12: 11,188,126 km (0.119 R)
• M13: 12,168,141 km (0.088 R)
• M14: 13,718,274 km (0.075 R)
• M15: 14,513,985 km (0.113 R)
• M16: 16,314,097 km (0.079 R)
• M17: 16,846,216 km (0.086 R)
• M18: 17,820,846 km (0.117 R)
• M19: 20,421,456 km (0.116 R)
• M20: 21,741,507 km (0.117 R)
• M21: 23,339,961 km (0.116 R)
• M22: 27,344,845 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.1

Radius: 4.6

Gravity: 28.12 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.8 AU - 7.4 AU

Year: 13298 Days

Day: 24 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,309,174 km

• M1: 57,745 km (0.088 R)
• M2: 202,406 km (0.077 R)
• M3: 1,447,060 km (0.114 R)
• M4: 1,594,265 km (0.113 R)
• M5: 1,767,798 km (0.077 R)
• M6: 2,190,711 km (0.112 R)
• M7: 2,592,382 km (0.08 R)
• M8: 4,419,570 km (0.098 R)
• M9: 6,881,203 km (0.104 R)
• M10: 9,249,786 km (0.091 R)
• M11: 9,812,424 km (0.089 R)
• M12: 11,347,148 km (0.079 R)
• M13: 12,722,102 km (0.06 R)
• M14: 14,883,343 km (0.076 R)
• M15: 15,371,331 km (0.101 R)
• M16: 22,175,491 km (0.103 R)
• M17: 23,741,631 km (0.1 R)
• M18: 30,744,756 km (0.095 R)
• M19: 32,688,481 km (0.084 R)
• M20: 32,922,303 km (0.107 R)
• M21: 35,569,587 km (0.069 R)
• M22: 37,071,699 km (0.037 R)
• M23: 38,485,249 km (0.081 R)
• M24: 39,668,269 km (0.098 R)
• M25: 41,968,635 km (0.101 R)
• M26: 45,220,145 km (0.076 R)
• M27: 46,242,198 km (0.104 R)
• M28: 46,389,402 km (0.111 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 17,694 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit