🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.8

Radius: 8.5

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.46 AU - 0.76 AU

Year: 335 Days

Day: 7.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,354,868 km

• M1: 105,766 km (0.118 R)
• M2: 375,640 km (0.101 R)
• M3: 673,789 km (0.026 R)
• M4: 1,037,910 km (0.073 R)
• M5: 1,326,185 km (0.102 R)
• M6: 2,093,622 km (0.118 R)
• M7: 2,768,009 km (0.092 R)
• M8: 3,214,260 km (0.062 R)
• M9: 3,672,478 km (0.084 R)
• M10: 4,135,633 km (0.091 R)
• M11: 4,637,085 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.2

Radius: 12.2

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.89 AU - 1.15 AU

Year: 724 Days

Day: 10.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,354,868 km

• M1: 151,692 km (0.114 R)
• M2: 596,447 km (0.105 R)
• M3: 1,116,599 km (0.111 R)
• M4: 1,610,271 km (0.088 R)
• M5: 2,229,756 km (0.075 R)
• M6: 2,840,265 km (0.106 R)
• M7: 3,235,652 km (0.068 R)
• M8: 3,695,516 km (0.1 R)
• M9: 4,124,413 km (0.101 R)
• M10: 4,863,576 km (0.104 R)
• M11: 5,327,031 km (0.088 R)
• M12: 5,763,707 km (0.071 R)
• M13: 6,647,232 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192

Radius: 8.8

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.22 AU - 1.58 AU

Year: 1164 Days

Day: 5.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 146.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,354,868 km

• M1: 109,506 km (0.1 R)
• M2: 386,561 km (0.099 R)
• M3: 741,557 km (0.068 R)
• M4: 1,116,150 km (0.034 R)
• M5: 1,431,801 km (0.068 R)
• M6: 2,346,143 km (0.109 R)
• M7: 2,659,252 km (0.096 R)
• M8: 2,953,212 km (0.098 R)
• M9: 3,897,324 km (0.085 R)
• M10: 4,509,329 km (0.088 R)
• M11: 5,013,324 km (0.067 R)
• M12: 5,393,602 km (0.065 R)
• M13: 6,270,544 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.7

Radius: 8

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.5 AU - 1.58 AU

Year: 1343 Days

Day: 14.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,354,868 km

• M1: 100,530 km (0.093 R)
• M2: 438,771 km (0.109 R)
• M3: 805,136 km (0.053 R)
• M4: 1,114,953 km (0.113 R)
• M5: 1,385,426 km (0.115 R)
• M6: 2,208,364 km (0.097 R)
• M7: 2,521,921 km (0.118 R)
• M8: 2,890,979 km (0.103 R)
• M9: 3,253,454 km (0.12 R)
• M10: 4,218,361 km (0.083 R)
• M11: 4,614,496 km (0.037 R)
• M12: 6,632,571 km (0.096 R)
• M13: 7,460,147 km (0.108 R)
• M14: 9,902,481 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.5

Radius: 14.8

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.93 AU - 2.17 AU

Year: 2063 Days

Day: 11.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,354,868 km

• M1: 184,155 km (0.062 R)
• M2: 664,364 km (0.098 R)
• M3: 1,284,447 km (0.088 R)
• M4: 1,799,662 km (0.094 R)
• M5: 2,913,419 km (0.069 R)
• M6: 3,861,719 km (0.066 R)
• M7: 6,812,537 km (0.068 R)
• M8: 7,331,941 km (0.116 R)
• M9: 8,327,964 km (0.11 R)
• M10: 10,163,231 km (0.048 R)
• M11: 10,661,391 km (0.12 R)
• M12: 11,213,408 km (0.086 R)
• M13: 11,823,169 km (0.046 R)
• M14: 12,535,554 km (0.073 R)
• M15: 14,982,227 km (0.092 R)
• M16: 16,054,395 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.3

Radius: 5.9

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.11 AU - 8.93 AU

Year: 14496 Days

Day: 16.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,354,868 km

• M1: 73,453 km (0.09 R)
• M2: 387,458 km (0.11 R)
• M3: 626,366 km (0.096 R)
• M4: 829,969 km (0.119 R)
• M5: 2,334,774 km (0.104 R)
• M6: 2,771,450 km (0.087 R)
• M7: 3,526,321 km (0.096 R)
• M8: 4,919,676 km (0.077 R)
• M9: 6,419,095 km (0.104 R)
• M10: 8,921,568 km (0.085 R)
• M11: 10,336,764 km (0.113 R)
• M12: 12,409,293 km (0.101 R)
• M13: 15,070,938 km (0.087 R)
• M14: 15,269,754 km (0.089 R)
• M15: 15,740,389 km (0.087 R)
• M16: 19,780,728 km (0.116 R)
• M17: 21,490,033 km (0.106 R)
• M18: 30,992,490 km (0.111 R)
• M19: 37,735,764 km (0.12 R)
• M20: 44,300,118 km (0.116 R)
• M21: 45,394,277 km (0.103 R)
• M22: 45,809,262 km (0.055 R)
• M23: 47,210,694 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.6

Radius: 4.3

Gravity: 50.44 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 8.67 AU - 8.87 AU

Year: 18256 Days

Day: 15.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,354,868 km

• M1: 53,556 km (0.089 R)
• M2: 248,632 km (0.082 R)
• M3: 500,704 km (0.087 R)
• M4: 678,426 km (0.043 R)
• M5: 863,778 km (0.112 R)
• M6: 1,277,715 km (0.118 R)
• M7: 2,131,022 km (0.072 R)
• M8: 2,281,368 km (0.037 R)
• M9: 3,225,629 km (0.108 R)
• M10: 4,005,483 km (0.111 R)
• M11: 5,205,258 km (0.076 R)
• M12: 5,518,965 km (0.057 R)
• M13: 6,314,676 km (0.07 R)
• M14: 6,762,721 km (0.111 R)
• M15: 9,100,487 km (0.109 R)
• M16: 11,075,778 km (0.078 R)
• M17: 12,961,459 km (0.065 R)
• M18: 28,676,865 km (0.12 R)
• M19: 29,284,082 km (0.113 R)
• M20: 31,413,010 km (0.107 R)
• M21: 44,259,428 km (0.092 R)
• M22: 44,744,574 km (0.041 R)
• M23: 44,907,037 km (0.095 R)
• M24: 45,725,487 km (0.055 R)
• M25: 50,142,513 km (0.116 R)
• M26: 55,958,430 km (0.097 R)
• M27: 59,419,526 km (0.055 R)
• M28: 64,252,585 km (0.109 R)
• M29: 66,552,652 km (0.101 R)
• M30: 73,781,071 km (0.086 R)
• M31: 78,879,965 km (0.06 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 13,121 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit