🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.1

Radius: 12.3

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.86 AU - 0.9 AU

Year: 542 Days

Day: 11.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,249,658 km

• M1: 153,487 km (0.106 R)
• M2: 652,546 km (0.108 R)
• M3: 1,105,977 km (0.083 R)
• M4: 1,733,989 km (0.077 R)
• M5: 2,365,442 km (0.105 R)
• M6: 3,133,926 km (0.1 R)
• M7: 5,374,004 km (0.074 R)
• M8: 6,243,617 km (0.086 R)
• M9: 6,681,789 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.8

Radius: 14.4

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.85 AU - 0.91 AU

Year: 542 Days

Day: 10.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,249,658 km

• M1: 179,069 km (0.088 R)
• M2: 720,763 km (0.085 R)
• M3: 1,178,831 km (0.099 R)
• M4: 1,917,396 km (0.08 R)
• M5: 2,687,077 km (0.082 R)
• M6: 3,535,147 km (0.079 R)
• M7: 4,331,457 km (0.085 R)
• M8: 5,276,167 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.8

Radius: 12.9

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.64 AU - 5.4 AU

Year: 6304 Days

Day: 8.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,249,658 km

• M1: 162,613 km (0.11 R)
• M2: 586,274 km (0.081 R)
• M3: 996,322 km (0.06 R)
• M4: 1,503,159 km (0.099 R)
• M5: 2,121,896 km (0.092 R)
• M6: 2,943,936 km (0.106 R)
• M7: 3,786,322 km (0.104 R)
• M8: 4,424,806 km (0.118 R)
• M9: 5,948,610 km (0.025 R)
• M10: 6,355,217 km (0.104 R)
• M11: 6,847,543 km (0.091 R)
• M12: 9,449,350 km (0.115 R)
• M13: 10,402,138 km (0.101 R)
• M14: 11,087,745 km (0.101 R)
• M15: 14,357,207 km (0.099 R)
• M16: 16,637,826 km (0.104 R)
• M17: 18,091,020 km (0.119 R)
• M18: 21,393,543 km (0.066 R)
• M19: 21,906,663 km (0.079 R)
• M20: 23,495,393 km (0.096 R)
• M21: 26,228,695 km (0.117 R)
• M22: 27,241,922 km (0.101 R)
• M23: 28,810,755 km (0.105 R)
• M24: 30,346,826 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.5

Radius: 12.8

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.63 AU - 6.29 AU

Year: 8369 Days

Day: 13.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,249,658 km

• M1: 159,172 km (0.067 R)
• M2: 697,874 km (0.114 R)
• M3: 1,839,007 km (0.107 R)
• M4: 2,697,998 km (0.11 R)
• M5: 3,475,458 km (0.059 R)
• M6: 5,699,978 km (0.115 R)
• M7: 7,046,509 km (0.116 R)
• M8: 7,516,695 km (0.095 R)
• M9: 8,371,796 km (0.053 R)
• M10: 9,530,432 km (0.032 R)
• M11: 10,446,120 km (0.11 R)
• M12: 10,969,862 km (0.061 R)
• M13: 12,356,186 km (0.11 R)
• M14: 13,701,071 km (0.037 R)
• M15: 16,976,217 km (0.1 R)
• M16: 20,809,363 km (0.069 R)
• M17: 21,360,631 km (0.076 R)
• M18: 22,277,068 km (0.11 R)
• M19: 23,440,939 km (0.037 R)
• M20: 25,889,856 km (0.083 R)
• M21: 26,931,805 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 527.6

Radius: 6.2

Gravity: 13.73 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 7.02 AU - 10.96 AU

Year: 17683 Days

Day: 15.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,249,658 km

• M1: 78,090 km (0.078 R)
• M2: 365,318 km (0.102 R)
• M3: 723,754 km (0.094 R)
• M4: 1,153,699 km (0.033 R)
• M5: 1,426,266 km (0.118 R)
• M6: 1,933,852 km (0.046 R)
• M7: 2,219,584 km (0.04 R)
• M8: 4,763,944 km (0.046 R)
• M9: 5,214,982 km (0.062 R)
• M10: 6,998,188 km (0.117 R)
• M11: 7,398,213 km (0.093 R)
• M12: 13,731,439 km (0.063 R)
• M13: 17,619,338 km (0.096 R)
• M14: 17,945,611 km (0.12 R)
• M15: 19,119,655 km (0.107 R)
• M16: 21,158,375 km (0.111 R)
• M17: 21,434,533 km (0.049 R)
• M18: 24,836,687 km (0.089 R)
• M19: 33,428,691 km (0.058 R)
• M20: 37,036,094 km (0.097 R)
• M21: 37,706,293 km (0.115 R)
• M22: 40,610,287 km (0.116 R)
• M23: 41,899,222 km (0.096 R)
• M24: 49,398,563 km (0.119 R)
• M25: 51,694,741 km (0.05 R)
• M26: 54,061,080 km (0.074 R)
• M27: 57,744,628 km (0.1 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 14,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit