🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.3

Radius: 10.6

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.74 AU - 0.78 AU

Year: 466 Days

Day: 13.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 172.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,774,692 km

• M1: 131,796 km (0.074 R)
• M2: 470,635 km (0.113 R)
• M3: 979,268 km (0.1 R)
• M4: 1,318,705 km (0.109 R)
• M5: 1,753,885 km (0.1 R)
• M6: 2,369,630 km (0.068 R)
• M7: 2,963,833 km (0.113 R)
• M8: 4,046,174 km (0.075 R)
• M9: 4,376,187 km (0.077 R)
• M10: 5,041,897 km (0.081 R)
• M11: 5,972,097 km (0.075 R)
• M12: 6,439,889 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.9

Radius: 11

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.11 AU - 1.4 AU

Year: 982 Days

Day: 10.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,774,692 km

• M1: 137,032 km (0.041 R)
• M2: 551,567 km (0.088 R)
• M3: 1,133,503 km (0.112 R)
• M4: 1,734,139 km (0.106 R)
• M5: 2,229,457 km (0.077 R)
• M6: 2,885,444 km (0.072 R)
• M7: 3,612,639 km (0.098 R)
• M8: 4,246,186 km (0.119 R)
• M9: 5,052,219 km (0.085 R)
• M10: 5,626,226 km (0.104 R)
• M11: 6,458,738 km (0.055 R)
• M12: 7,030,053 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.2

Radius: 10.9

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.08 AU - 1.46 AU

Year: 1006 Days

Day: 6.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,774,692 km

• M1: 135,536 km (0.108 R)
• M2: 573,409 km (0.093 R)
• M3: 1,477,429 km (0.087 R)
• M4: 2,366,190 km (0.052 R)
• M5: 2,829,644 km (0.111 R)
• M6: 3,408,887 km (0.098 R)
• M7: 6,247,955 km (0.064 R)
• M8: 6,639,004 km (0.071 R)
• M9: 7,470,170 km (0.109 R)
• M10: 7,911,184 km (0.031 R)
• M11: 8,291,761 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.6

Radius: 11.4

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.42 AU - 1.46 AU

Year: 1215 Days

Day: 14.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,774,692 km

• M1: 141,819 km (0.09 R)
• M2: 831,914 km (0.073 R)
• M3: 1,498,372 km (0.108 R)
• M4: 2,207,466 km (0.043 R)
• M5: 2,724,177 km (0.047 R)
• M6: 3,394,824 km (0.12 R)
• M7: 4,318,143 km (0.114 R)
• M8: 4,791,321 km (0.05 R)
• M9: 5,333,014 km (0.075 R)
• M10: 6,441,984 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.5

Radius: 11.3

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.95 AU - 4.27 AU

Year: 4821 Days

Day: 11.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,774,692 km

• M1: 140,472 km (0.095 R)
• M2: 673,190 km (0.116 R)
• M3: 1,248,394 km (0.083 R)
• M4: 2,150,170 km (0.107 R)
• M5: 2,760,679 km (0.104 R)
• M6: 3,184,340 km (0.077 R)
• M7: 3,758,796 km (0.049 R)
• M8: 5,847,033 km (0.117 R)
• M9: 6,268,749 km (0.113 R)
• M10: 7,173,667 km (0.103 R)
• M11: 7,693,220 km (0.059 R)
• M12: 8,053,302 km (0.09 R)
• M13: 8,768,829 km (0.077 R)
• M14: 9,403,872 km (0.101 R)
• M15: 10,326,741 km (0.105 R)
• M16: 14,036,319 km (0.108 R)
• M17: 15,072,584 km (0.069 R)
• M18: 15,752,955 km (0.085 R)
• M19: 16,513,062 km (0.114 R)
• M20: 17,053,409 km (0.102 R)
• M21: 18,488,053 km (0.092 R)
• M22: 19,866,896 km (0.112 R)
• M23: 26,477,776 km (0.087 R)
• M24: 27,052,681 km (0.079 R)
• M25: 27,888,334 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.3

Radius: 9.7

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.45 AU - 4.99 AU

Year: 7208 Days

Day: 14.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,774,692 km

• M1: 122,670 km (0.089 R)
• M2: 648,507 km (0.029 R)
• M3: 1,395,748 km (0.104 R)
• M4: 2,331,034 km (0.06 R)
• M5: 2,853,579 km (0.091 R)
• M6: 3,662,305 km (0.058 R)
• M7: 4,005,633 km (0.087 R)
• M8: 6,434,354 km (0.102 R)
• M9: 8,347,860 km (0.053 R)
• M10: 11,993,710 km (0.076 R)
• M11: 14,615,263 km (0.056 R)
• M12: 18,579,008 km (0.083 R)
• M13: 25,963,758 km (0.082 R)
• M14: 26,503,956 km (0.108 R)
• M15: 34,011,824 km (0.097 R)
• M16: 35,313,774 km (0.091 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 16,368 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit