🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982

Radius: 10.5

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.65 AU - 0.83 AU

Year: 411 Days

Day: 8.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,331,062 km

• M1: 130,599 km (0.065 R)
• M2: 558,898 km (0.098 R)
• M3: 1,064,090 km (0.12 R)
• M4: 1,633,609 km (0.075 R)
• M5: 2,193,254 km (0.102 R)
• M6: 2,604,050 km (0.059 R)
• M7: 2,931,819 km (0.116 R)
• M8: 3,275,445 km (0.095 R)
• M9: 4,212,227 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.1

Radius: 13.5

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.02 AU - 1.58 AU

Year: 957 Days

Day: 14.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,331,062 km

• M1: 167,998 km (0.059 R)
• M2: 599,588 km (0.114 R)
• M3: 1,081,742 km (0.034 R)
• M4: 1,537,717 km (0.11 R)
• M5: 1,964,818 km (0.068 R)
• M6: 2,461,184 km (0.113 R)
• M7: 2,975,352 km (0.04 R)
• M8: 4,240,202 km (0.082 R)
• M9: 4,763,944 km (0.094 R)
• M10: 5,858,103 km (0.115 R)
• M11: 7,355,578 km (0.059 R)
• M12: 8,595,594 km (0.091 R)
• M13: 10,616,362 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.9

Radius: 8.9

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.82 AU - 4.34 AU

Year: 4374 Days

Day: 8.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,331,062 km

• M1: 111,600 km (0.118 R)
• M2: 413,788 km (0.107 R)
• M3: 755,020 km (0.057 R)
• M4: 1,170,753 km (0.115 R)
• M5: 2,270,148 km (0.062 R)
• M6: 2,753,199 km (0.091 R)
• M7: 3,206,780 km (0.117 R)
• M8: 4,217,762 km (0.061 R)
• M9: 5,510,438 km (0.088 R)
• M10: 6,142,788 km (0.072 R)
• M11: 7,586,407 km (0.11 R)
• M12: 8,150,242 km (0.112 R)
• M13: 8,628,805 km (0.096 R)
• M14: 9,804,944 km (0.081 R)
• M15: 11,308,253 km (0.05 R)
• M16: 11,672,374 km (0.091 R)
• M17: 12,762,942 km (0.109 R)
• M18: 13,510,034 km (0.113 R)
• M19: 14,604,343 km (0.065 R)
• M20: 15,090,984 km (0.091 R)
• M21: 16,850,555 km (0.106 R)
• M22: 18,869,527 km (0.045 R)
• M23: 21,388,307 km (0.027 R)

Asteroid Belt

Center: 5.6 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.4

Radius: 4.6

Gravity: 17.5 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.12 AU - 9.1 AU

Year: 13555 Days

Day: 16.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,331,062 km

• M1: 58,194 km (0.097 R)
• M2: 296,054 km (0.117 R)
• M3: 493,374 km (0.082 R)
• M4: 858,692 km (0.116 R)
• M5: 1,174,792 km (0.094 R)
• M6: 2,087,937 km (0.11 R)
• M7: 2,304,705 km (0.116 R)
• M8: 2,556,328 km (0.093 R)
• M9: 3,776,449 km (0.064 R)
• M10: 4,381,422 km (0.113 R)
• M11: 4,860,435 km (0.109 R)
• M12: 5,209,297 km (0.068 R)
• M13: 5,608,873 km (0.108 R)
• M14: 8,857,690 km (0.045 R)
• M15: 9,572,169 km (0.105 R)
• M16: 9,868,523 km (0.113 R)
• M17: 12,463,148 km (0.086 R)
• M18: 12,935,728 km (0.086 R)
• M19: 13,979,472 km (0.086 R)
• M20: 16,725,341 km (0.09 R)
• M21: 19,572,787 km (0.075 R)
• M22: 22,380,290 km (0.048 R)
• M23: 23,431,963 km (0.06 R)
• M24: 23,969,917 km (0.107 R)
• M25: 26,687,063 km (0.041 R)
• M26: 38,358,689 km (0.066 R)
• M27: 43,927,171 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.8

Radius: 6.2

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.43 AU - 10.23 AU

Year: 16942 Days

Day: 22.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 44,331,062 km

• M1: 77,043 km (0.104 R)
• M2: 272,268 km (0.119 R)
• M3: 735,872 km (0.056 R)
• M4: 938,577 km (0.093 R)
• M5: 1,421,180 km (0.07 R)
• M6: 2,073,726 km (0.106 R)
• M7: 2,505,465 km (0.08 R)
• M8: 3,571,051 km (0.08 R)
• M9: 4,300,939 km (0.091 R)
• M10: 4,730,584 km (0.089 R)
• M11: 6,086,689 km (0.099 R)
• M12: 7,123,252 km (0.101 R)
• M13: 8,315,846 km (0.085 R)
• M14: 8,622,522 km (0.066 R)
• M15: 8,891,499 km (0.059 R)
• M16: 10,421,287 km (0.062 R)
• M17: 10,726,467 km (0.106 R)
• M18: 12,569,961 km (0.068 R)
• M19: 13,930,703 km (0.101 R)
• M20: 14,614,964 km (0.111 R)
• M21: 20,280,535 km (0.073 R)
• M22: 22,312,971 km (0.045 R)
• M23: 22,820,258 km (0.094 R)
• M24: 23,248,706 km (0.115 R)
• M25: 30,856,057 km (0.067 R)
• M26: 32,123,600 km (0.05 R)
• M27: 34,649,560 km (0.1 R)
• M28: 36,833,689 km (0.068 R)
• M29: 37,780,194 km (0.105 R)
• M30: 38,019,401 km (0.089 R)
• M31: 39,475,437 km (0.102 R)
• M32: 40,591,587 km (0.083 R)
• M33: 43,016,718 km (0.072 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 10,766 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit