🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.3

Radius: 11.7

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.45 AU - 0.63 AU

Year: 279 Days

Day: 13.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 63,083,511 km

• M1: 146,008 km (0.112 R)
• M2: 784,940 km (0.063 R)
• M3: 1,517,371 km (0.112 R)
• M4: 1,884,036 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.1

Radius: 14.1

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.19 AU - 1.33 AU

Year: 994 Days

Day: 14 Hours

Environment

Temp: -192 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,083,511 km

• M1: 197,320 km (0.119 R)
• M2: 958,174 km (0.086 R)
• M3: 1,454,690 km (0.074 R)
• M4: 2,040,216 km (0.087 R)
• M5: 3,541,131 km (0.109 R)
• M6: 4,258,154 km (0.082 R)
• M7: 5,400,483 km (0.071 R)
• M8: 6,353,272 km (0.062 R)
• M9: 8,261,842 km (0.09 R)
• M10: 9,011,477 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.3

Radius: 10.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.19 AU - 1.73 AU

Year: 1240 Days

Day: 10.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,083,511 km

• M1: 129,103 km (0.1 R)
• M2: 572,810 km (0.119 R)
• M3: 926,908 km (0.083 R)
• M4: 1,308,832 km (0.102 R)
• M5: 1,959,433 km (0.101 R)
• M6: 2,383,244 km (0.101 R)
• M7: 2,846,099 km (0.108 R)
• M8: 3,343,662 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.9

Radius: 8.9

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.35 AU - 2.19 AU

Year: 1655 Days

Day: 8.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,083,511 km

• M1: 110,702 km (0.083 R)
• M2: 397,482 km (0.038 R)
• M3: 719,566 km (0.116 R)
• M4: 1,035,816 km (0.08 R)
• M5: 1,385,426 km (0.115 R)
• M6: 3,199,001 km (0.108 R)
• M7: 3,518,692 km (0.088 R)
• M8: 4,539,996 km (0.044 R)
• M9: 5,412,601 km (0.025 R)
• M10: 6,200,533 km (0.116 R)
• M11: 6,700,040 km (0.084 R)
• M12: 7,928,089 km (0.104 R)
• M13: 9,383,826 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.1

Radius: 8.1

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.68 AU - 2.58 AU

Year: 2185 Days

Day: 12.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,083,511 km

• M1: 190,887 km (0.07 R)
• M2: 525,537 km (0.112 R)
• M3: 1,318,107 km (0.103 R)
• M4: 1,703,471 km (0.091 R)
• M5: 1,971,550 km (0.063 R)
• M6: 2,344,049 km (0.098 R)
• M7: 3,109,242 km (0.097 R)
• M8: 3,601,120 km (0.072 R)
• M9: 3,904,953 km (0.056 R)
• M10: 4,242,296 km (0.119 R)
• M11: 4,793,864 km (0.116 R)
• M12: 6,018,472 km (0.036 R)
• M13: 6,602,652 km (0.109 R)
• M14: 8,267,377 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.1

Radius: 6.9

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.93 AU - 8.15 AU

Year: 11756 Days

Day: 23.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,083,511 km

• M1: 133,292 km (0.112 R)
• M2: 371,152 km (0.078 R)
• M3: 644,916 km (0.11 R)
• M4: 1,126,622 km (0.117 R)
• M5: 1,738,477 km (0.091 R)
• M6: 3,433,720 km (0.117 R)
• M7: 8,076,639 km (0.047 R)
• M8: 9,020,901 km (0.095 R)
• M9: 10,872,474 km (0.059 R)
• M10: 16,414,178 km (0.077 R)
• M11: 20,898,075 km (0.078 R)
• M12: 21,133,691 km (0.053 R)
• M13: 32,710,771 km (0.098 R)
• M14: 35,869,530 km (0.099 R)
• M15: 36,547,508 km (0.111 R)
• M16: 37,349,203 km (0.107 R)
• M17: 38,750,785 km (0.057 R)
• M18: 40,429,872 km (0.063 R)

Asteroid Belt

Center: 7.02 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.1

Radius: 6.9

Gravity: 15.8 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.03 AU - 7.95 AU

Year: 14409 Days

Day: 24.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 77.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,083,511 km

• M1: 87,365 km (0.083 R)
• M2: 435,180 km (0.097 R)
• M3: 652,696 km (0.074 R)
• M4: 1,353,562 km (0.103 R)
• M5: 1,736,233 km (0.05 R)
• M6: 3,000,634 km (0.101 R)
• M7: 3,434,618 km (0.084 R)
• M8: 5,750,243 km (0.109 R)
• M9: 7,452,068 km (0.063 R)
• M10: 7,866,454 km (0.102 R)
• M11: 8,247,480 km (0.065 R)
• M12: 11,630,187 km (0.111 R)
• M13: 15,913,324 km (0.092 R)
• M14: 16,600,277 km (0.086 R)
• M15: 18,362,540 km (0.099 R)
• M16: 18,695,844 km (0.066 R)
• M17: 19,460,589 km (0.096 R)
• M18: 23,209,810 km (0.05 R)
• M19: 33,071,751 km (0.101 R)
• M20: 39,048,036 km (0.065 R)
• M21: 41,427,091 km (0.093 R)
• M22: 45,098,672 km (0.064 R)
• M23: 56,873,819 km (0.043 R)
• M24: 61,397,808 km (0.06 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: 522 - 20,501 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit