🌌 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: 567.5

Radius: 9.3

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.63 AU - 0.89 AU

Year: 435 Days

Day: 6.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,236,834 km

• M1: 115,639 km (0.112 R)
• M2: 488,437 km (0.12 R)
• M3: 784,641 km (0.103 R)
• M4: 1,130,212 km (0.045 R)
• M5: 1,640,041 km (0.12 R)
• M6: 2,124,290 km (0.119 R)
• M7: 2,990,312 km (0.101 R)
• M8: 3,438,806 km (0.109 R)
• M9: 4,114,839 km (0.09 R)
• M10: 4,862,080 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.3

Radius: 14.6

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.84 AU - 0.9 AU

Year: 532 Days

Day: 7.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,236,834 km

• M1: 181,612 km (0.116 R)
• M2: 674,537 km (0.054 R)
• M3: 1,133,353 km (0.081 R)
• M4: 1,910,215 km (0.119 R)
• M5: 2,510,252 km (0.052 R)
• M6: 3,105,203 km (0.054 R)
• M7: 3,820,730 km (0.089 R)
• M8: 4,283,885 km (0.081 R)
• M9: 5,074,360 km (0.089 R)
• M10: 5,601,094 km (0.055 R)
• M11: 6,469,958 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.5

Radius: 12.2

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.82 AU - 0.96 AU

Year: 551 Days

Day: 14.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,236,834 km

• M1: 151,692 km (0.06 R)
• M2: 630,256 km (0.065 R)
• M3: 1,056,311 km (0.081 R)
• M4: 1,524,253 km (0.05 R)
• M5: 2,000,423 km (0.062 R)
• M6: 2,978,045 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.8

Radius: 9.6

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.47 AU - 1.59 AU

Year: 1241 Days

Day: 10.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,236,834 km

• M1: 119,379 km (0.07 R)
• M2: 576,251 km (0.109 R)
• M3: 910,004 km (0.057 R)
• M4: 1,322,744 km (0.082 R)
• M5: 1,712,297 km (0.067 R)
• M6: 2,140,746 km (0.118 R)
• M7: 2,472,105 km (0.107 R)
• M8: 2,849,241 km (0.081 R)
• M9: 3,153,972 km (0.083 R)
• M10: 4,292,113 km (0.066 R)
• M11: 4,954,831 km (0.073 R)
• M12: 5,720,623 km (0.104 R)
• M13: 6,684,482 km (0.114 R)
• M14: 7,077,774 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.2

Radius: 11.8

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.49 AU - 2.31 AU

Year: 1718 Days

Day: 6.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,236,834 km

• M1: 146,756 km (0.119 R)
• M2: 599,887 km (0.068 R)
• M3: 1,019,659 km (0.074 R)
• M4: 1,435,691 km (0.066 R)
• M5: 2,104,244 km (0.102 R)
• M6: 2,971,163 km (0.088 R)
• M7: 3,428,783 km (0.107 R)
• M8: 4,309,915 km (0.093 R)
• M9: 4,899,031 km (0.099 R)
• M10: 5,313,567 km (0.053 R)
• M11: 7,185,186 km (0.098 R)
• M12: 8,104,614 km (0.093 R)
• M13: 9,165,712 km (0.107 R)
• M14: 9,595,207 km (0.073 R)
• M15: 10,107,281 km (0.06 R)
• M16: 12,540,790 km (0.091 R)
• M17: 13,112,104 km (0.03 R)
• M18: 13,872,061 km (0.09 R)
• M19: 15,433,713 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.7

Radius: 12

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.94 AU - 2.18 AU

Year: 1940 Days

Day: 5.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,236,834 km

• M1: 149,299 km (0.056 R)
• M2: 539,001 km (0.12 R)
• M3: 1,009,636 km (0.081 R)
• M4: 1,564,495 km (0.036 R)
• M5: 2,820,219 km (0.099 R)
• M6: 3,492,811 km (0.112 R)
• M7: 5,009,434 km (0.028 R)
• M8: 5,601,692 km (0.079 R)
• M9: 6,692,410 km (0.111 R)
• M10: 7,302,171 km (0.062 R)
• M11: 10,533,784 km (0.061 R)
• M12: 11,507,816 km (0.113 R)
• M13: 13,760,461 km (0.057 R)
• M14: 14,485,562 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.3

Radius: 9.6

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.13 AU - 3.25 AU

Year: 2894 Days

Day: 11.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,236,834 km

• M1: 119,379 km (0.09 R)
• M2: 482,154 km (0.109 R)
• M3: 865,872 km (0.103 R)
• M4: 1,184,516 km (0.064 R)
• M5: 1,507,049 km (0.056 R)
• M6: 1,926,671 km (0.117 R)
• M7: 2,306,051 km (0.115 R)
• M8: 3,003,776 km (0.109 R)
• M9: 3,345,906 km (0.088 R)
• M10: 3,734,262 km (0.1 R)
• M11: 4,790,722 km (0.083 R)
• M12: 5,260,011 km (0.026 R)
• M13: 5,814,121 km (0.084 R)
• M14: 6,915,461 km (0.108 R)
• M15: 8,427,895 km (0.068 R)
• M16: 11,783,525 km (0.112 R)
• M17: 14,730,902 km (0.056 R)
• M18: 15,353,229 km (0.104 R)
• M19: 16,319,632 km (0.061 R)
• M20: 17,383,123 km (0.112 R)
• M21: 17,844,483 km (0.105 R)
• M22: 18,852,024 km (0.103 R)
• M23: 20,465,737 km (0.12 R)
• M24: 21,901,427 km (0.092 R)
• M25: 23,333,378 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 817.2

Radius: 5.7

Gravity: 25.15 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.57 AU - 6.79 AU

Year: 11326 Days

Day: 22.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,236,834 km

• M1: 70,909 km (0.035 R)
• M2: 376,837 km (0.115 R)
• M3: 759,808 km (0.077 R)
• M4: 1,029,383 km (0.118 R)
• M5: 1,388,717 km (0.062 R)
• M6: 2,017,626 km (0.117 R)
• M7: 2,753,498 km (0.088 R)
• M8: 3,219,047 km (0.104 R)
• M9: 4,187,244 km (0.095 R)
• M10: 5,031,126 km (0.081 R)
• M11: 6,095,814 km (0.082 R)
• M12: 6,286,851 km (0.095 R)
• M13: 6,681,041 km (0.081 R)
• M14: 8,518,402 km (0.098 R)
• M15: 9,299,303 km (0.1 R)
• M16: 12,226,634 km (0.072 R)
• M17: 14,805,103 km (0.093 R)
• M18: 16,075,488 km (0.071 R)
• M19: 16,662,809 km (0.096 R)
• M20: 17,036,954 km (0.03 R)
• M21: 17,958,028 km (0.094 R)
• M22: 18,510,343 km (0.103 R)
• M23: 19,566,205 km (0.084 R)
• M24: 24,287,364 km (0.08 R)
• M25: 24,865,560 km (0.098 R)
• M26: 31,047,392 km (0.115 R)
• M27: 31,386,531 km (0.074 R)
• M28: 37,665,004 km (0.061 R)
• M29: 38,309,322 km (0.076 R)
• M30: 39,753,091 km (0.086 R)
• M31: 44,016,032 km (0.093 R)
• M32: 48,878,112 km (0.117 R)
• M33: 52,470,855 km (0.067 R)
• M34: 54,741,900 km (0.107 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: 419 - 18,765 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit