🌌 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: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.2

Radius: 13.7

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.64 AU - 0.82 AU

Year: 431 Days

Day: 14.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,392,108 km

• M1: 170,392 km (0.044 R)
• M2: 635,941 km (0.035 R)
• M3: 1,412,054 km (0.105 R)
• M4: 2,050,688 km (0.118 R)
• M5: 3,048,505 km (0.113 R)
• M6: 3,658,266 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310

Radius: 14.9

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.75 AU - 0.87 AU

Year: 503 Days

Day: 11.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,392,108 km

• M1: 185,352 km (0.11 R)
• M2: 677,230 km (0.057 R)
• M3: 1,254,977 km (0.092 R)
• M4: 1,786,049 km (0.109 R)
• M5: 2,612,428 km (0.109 R)
• M6: 4,133,838 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.1

Radius: 14.4

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.87 AU - 1.09 AU

Year: 670 Days

Day: 10.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,392,108 km

• M1: 179,667 km (0.116 R)
• M2: 632,051 km (0.031 R)
• M3: 1,431,801 km (0.088 R)
• M4: 2,124,888 km (0.048 R)
• M5: 2,578,618 km (0.105 R)
• M6: 3,251,659 km (0.052 R)
• M7: 3,758,946 km (0.055 R)
• M8: 4,480,157 km (0.095 R)
• M9: 5,040,401 km (0.069 R)
• M10: 5,609,322 km (0.072 R)
• M11: 6,365,090 km (0.049 R)
• M12: 6,854,874 km (0.093 R)
• M13: 7,983,290 km (0.062 R)
• M14: 8,836,746 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.2

Radius: 12.4

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.8 AU - 2.5 AU

Year: 2176 Days

Day: 11.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,392,108 km

• M1: 154,235 km (0.081 R)
• M2: 566,826 km (0.093 R)
• M3: 1,116,150 km (0.116 R)
• M4: 1,838,259 km (0.083 R)
• M5: 2,282,564 km (0.102 R)
• M6: 3,195,859 km (0.102 R)
• M7: 4,034,355 km (0.1 R)
• M8: 4,620,181 km (0.112 R)
• M9: 5,157,835 km (0.109 R)
• M10: 6,799,074 km (0.096 R)
• M11: 7,821,725 km (0.064 R)
• M12: 8,587,965 km (0.102 R)
• M13: 8,974,376 km (0.12 R)
• M14: 10,536,926 km (0.076 R)
• M15: 10,945,777 km (0.089 R)
• M16: 11,543,271 km (0.062 R)
• M17: 12,386,105 km (0.115 R)
• M18: 13,152,046 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.8

Radius: 8.5

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.18 AU - 3.36 AU

Year: 3182 Days

Day: 6 Hours

Environment

Temp: -219 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 21,392,108 km

• M1: 105,766 km (0.109 R)
• M2: 407,654 km (0.111 R)
• M3: 733,179 km (0.089 R)
• M4: 1,070,223 km (0.09 R)
• M5: 1,407,417 km (0.114 R)
• M6: 2,028,248 km (0.098 R)
• M7: 3,004,823 km (0.111 R)
• M8: 3,435,366 km (0.101 R)
• M9: 3,744,883 km (0.113 R)
• M10: 4,244,241 km (0.117 R)
• M11: 4,601,331 km (0.091 R)
• M12: 5,452,992 km (0.111 R)
• M13: 6,579,614 km (0.061 R)
• M14: 7,690,677 km (0.088 R)
• M15: 8,020,540 km (0.114 R)
• M16: 8,291,013 km (0.095 R)
• M17: 10,280,216 km (0.107 R)
• M18: 10,967,319 km (0.075 R)
• M19: 12,522,987 km (0.104 R)
• M20: 14,319,059 km (0.111 R)
• M21: 15,959,400 km (0.034 R)
• M22: 17,550,972 km (0.102 R)
• M23: 18,008,143 km (0.065 R)
• M24: 20,602,020 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.1

Radius: 13.3

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.17 AU - 3.53 AU

Year: 3321 Days

Day: 14.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 21,392,108 km

• M1: 165,455 km (0.035 R)
• M2: 809,474 km (0.101 R)
• M3: 1,403,527 km (0.09 R)
• M4: 1,950,008 km (0.054 R)
• M5: 2,845,800 km (0.119 R)
• M6: 3,937,715 km (0.067 R)
• M7: 4,366,014 km (0.107 R)
• M8: 5,141,529 km (0.081 R)
• M9: 5,628,620 km (0.072 R)
• M10: 6,287,898 km (0.077 R)
• M11: 6,846,047 km (0.087 R)
• M12: 7,341,366 km (0.089 R)
• M13: 8,061,829 km (0.116 R)
• M14: 9,267,438 km (0.092 R)
• M15: 12,123,411 km (0.05 R)
• M16: 15,469,467 km (0.092 R)
• M17: 17,382,674 km (0.043 R)
• M18: 18,603,842 km (0.08 R)
• M19: 19,326,848 km (0.113 R)
• M20: 20,131,086 km (0.106 R)
• M21: 22,814,573 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147

Radius: 9.1

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.12 AU - 4.74 AU

Year: 6436 Days

Day: 8.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,392,108 km

• M1: 114,592 km (0.08 R)
• M2: 864,077 km (0.04 R)
• M3: 1,623,137 km (0.056 R)
• M4: 2,130,872 km (0.088 R)
• M5: 3,595,884 km (0.072 R)
• M6: 4,033,159 km (0.041 R)
• M7: 5,691,301 km (0.078 R)
• M8: 11,975,010 km (0.077 R)
• M9: 13,043,289 km (0.082 R)
• M10: 15,470,963 km (0.099 R)
• M11: 18,127,672 km (0.094 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: 172 - 12,175 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit