🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.9

Radius: 13.1

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.06 AU - 1.14 AU

Year: 745 Days

Day: 5.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 148.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,606,707 km

• M1: 163,361 km (0.081 R)
• M2: 631,004 km (0.064 R)
• M3: 1,305,690 km (0.113 R)
• M4: 2,229,457 km (0.098 R)
• M5: 2,674,810 km (0.075 R)
• M6: 3,270,060 km (0.033 R)
• M7: 4,273,263 km (0.101 R)
• M8: 4,813,162 km (0.103 R)
• M9: 5,528,240 km (0.096 R)
• M10: 6,457,990 km (0.084 R)
• M11: 8,154,281 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.8

Radius: 13.1

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.83 AU - 2.65 AU

Year: 2165 Days

Day: 9.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,606,707 km

• M1: 162,912 km (0.086 R)
• M2: 954,734 km (0.112 R)
• M3: 1,511,088 km (0.049 R)
• M4: 1,998,478 km (0.104 R)
• M5: 2,857,170 km (0.108 R)
• M6: 4,382,470 km (0.109 R)
• M7: 5,169,205 km (0.109 R)
• M8: 5,951,003 km (0.098 R)
• M9: 6,731,306 km (0.102 R)
• M10: 9,519,361 km (0.104 R)
• M11: 10,374,612 km (0.104 R)
• M12: 10,875,616 km (0.077 R)
• M13: 11,467,874 km (0.073 R)
• M14: 12,003,584 km (0.112 R)
• M15: 13,043,139 km (0.077 R)
• M16: 13,500,609 km (0.112 R)
• M17: 15,301,169 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.2

Radius: 11.4

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.02 AU - 3.78 AU

Year: 4048 Days

Day: 13.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,606,707 km

• M1: 141,968 km (0.099 R)
• M2: 526,136 km (0.072 R)
• M3: 920,924 km (0.037 R)
• M4: 1,380,639 km (0.089 R)
• M5: 2,062,207 km (0.077 R)
• M6: 2,545,258 km (0.111 R)
• M7: 3,492,512 km (0.108 R)
• M8: 4,660,722 km (0.117 R)
• M9: 5,042,047 km (0.111 R)
• M10: 6,622,997 km (0.075 R)
• M11: 7,040,674 km (0.091 R)
• M12: 8,700,014 km (0.114 R)
• M13: 10,095,014 km (0.076 R)
• M14: 11,496,148 km (0.098 R)
• M15: 14,306,792 km (0.066 R)
• M16: 14,952,158 km (0.102 R)
• M17: 16,533,706 km (0.076 R)
• M18: 17,852,411 km (0.119 R)
• M19: 22,731,546 km (0.112 R)
• M20: 23,759,283 km (0.038 R)
• M21: 26,866,581 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.2

Radius: 12.5

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.53 AU - 4.91 AU

Year: 5597 Days

Day: 11.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,606,707 km

• M1: 156,779 km (0.079 R)
• M2: 933,640 km (0.096 R)
• M3: 1,493,136 km (0.118 R)
• M4: 2,043,657 km (0.095 R)
• M5: 2,569,044 km (0.1 R)
• M6: 3,084,558 km (0.111 R)
• M7: 4,035,103 km (0.088 R)
• M8: 4,869,411 km (0.049 R)
• M9: 7,441,148 km (0.054 R)
• M10: 8,032,508 km (0.08 R)
• M11: 9,735,530 km (0.1 R)
• M12: 11,186,181 km (0.113 R)
• M13: 13,734,431 km (0.104 R)
• M14: 14,287,045 km (0.103 R)
• M15: 15,260,628 km (0.092 R)
• M16: 16,277,894 km (0.05 R)
• M17: 17,022,891 km (0.097 R)
• M18: 17,467,945 km (0.06 R)
• M19: 21,607,168 km (0.043 R)
• M20: 29,979,114 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.2

Radius: 6.3

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.28 AU - 9.8 AU

Year: 16114 Days

Day: 20.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,606,707 km

• M1: 78,389 km (0.046 R)
• M2: 314,904 km (0.089 R)
• M3: 559,945 km (0.095 R)
• M4: 898,335 km (0.061 R)
• M5: 1,475,484 km (0.109 R)
• M6: 2,291,391 km (0.097 R)
• M7: 2,915,064 km (0.052 R)
• M8: 3,331,694 km (0.078 R)
• M9: 6,535,033 km (0.065 R)
• M10: 9,082,386 km (0.055 R)
• M11: 9,877,798 km (0.086 R)
• M12: 12,435,473 km (0.117 R)
• M13: 13,866,376 km (0.095 R)
• M14: 17,314,458 km (0.095 R)
• M15: 26,017,463 km (0.074 R)
• M16: 27,074,971 km (0.076 R)
• M17: 27,704,778 km (0.058 R)
• M18: 28,621,513 km (0.072 R)
• M19: 31,790,296 km (0.094 R)
• M20: 32,693,418 km (0.044 R)
• M21: 32,896,422 km (0.102 R)
• M22: 34,236,520 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.1

Radius: 4.2

Gravity: 12.53 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 9.64 AU - 10.62 AU

Year: 20818 Days

Day: 16.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,606,707 km

• M1: 52,210 km (0.098 R)
• M2: 186,997 km (0.099 R)
• M3: 577,149 km (0.119 R)
• M4: 993,479 km (0.117 R)
• M5: 1,413,101 km (0.096 R)
• M6: 1,694,495 km (0.081 R)
• M7: 3,278,138 km (0.103 R)
• M8: 4,339,984 km (0.089 R)
• M9: 8,207,089 km (0.069 R)
• M10: 9,011,028 km (0.049 R)
• M11: 9,970,100 km (0.054 R)
• M12: 13,379,734 km (0.056 R)
• M13: 18,897,801 km (0.086 R)
• M14: 22,018,862 km (0.091 R)
• M15: 24,028,410 km (0.114 R)
• M16: 24,981,049 km (0.068 R)
• M17: 26,456,683 km (0.055 R)
• M18: 26,657,742 km (0.115 R)
• M19: 27,369,379 km (0.038 R)
• M20: 28,618,821 km (0.117 R)
• M21: 28,937,015 km (0.098 R)
• M22: 30,014,718 km (0.1 R)
• M23: 31,455,346 km (0.117 R)
• M24: 36,423,790 km (0.038 R)
• M25: 45,679,111 km (0.114 R)
• M26: 46,550,968 km (0.065 R)
• M27: 52,016,077 km (0.113 R)
• M28: 52,648,427 km (0.086 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 14,631 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit