🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.8

Radius: 13.3

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.52 AU - 0.58 AU

Year: 277 Days

Day: 10.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 41,872,173 km

• M1: 165,455 km (0.115 R)
• M2: 674,387 km (0.096 R)
• M3: 1,284,597 km (0.092 R)
• M4: 1,776,624 km (0.025 R)
• M5: 2,379,803 km (0.107 R)
• M6: 2,902,049 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.3

Radius: 10.5

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.51 AU - 2.53 AU

Year: 2713 Days

Day: 13.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,872,173 km

• M1: 134,638 km (0.105 R)
• M2: 718,967 km (0.054 R)
• M3: 1,048,980 km (0.112 R)
• M4: 2,265,660 km (0.056 R)
• M5: 3,320,325 km (0.11 R)
• M6: 5,101,587 km (0.077 R)
• M7: 6,060,359 km (0.109 R)
• M8: 7,043,666 km (0.072 R)
• M9: 7,832,047 km (0.09 R)
• M10: 8,573,604 km (0.119 R)
• M11: 9,324,435 km (0.072 R)
• M12: 10,041,009 km (0.11 R)
• M13: 10,834,626 km (0.119 R)
• M14: 11,884,653 km (0.119 R)
• M15: 12,501,595 km (0.072 R)
• M16: 14,580,556 km (0.062 R)
• M17: 15,754,301 km (0.118 R)
• M18: 16,444,995 km (0.086 R)
• M19: 17,716,427 km (0.081 R)
• M20: 18,756,282 km (0.076 R)
• M21: 19,836,378 km (0.118 R)
• M22: 20,641,963 km (0.086 R)
• M23: 21,404,613 km (0.065 R)

Asteroid Belt

Center: 2.79 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.3

Radius: 9.1

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.34 AU - 3.76 AU

Year: 3613 Days

Day: 6.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,872,173 km

• M1: 113,395 km (0.108 R)
• M2: 535,710 km (0.057 R)
• M3: 1,572,872 km (0.025 R)
• M4: 2,322,956 km (0.058 R)
• M5: 3,426,090 km (0.098 R)
• M6: 3,772,110 km (0.069 R)
• M7: 4,103,470 km (0.12 R)
• M8: 4,910,101 km (0.084 R)
• M9: 5,891,164 km (0.112 R)
• M10: 6,728,613 km (0.05 R)
• M11: 7,052,193 km (0.075 R)
• M12: 11,791,005 km (0.108 R)
• M13: 12,746,038 km (0.117 R)
• M14: 15,873,082 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.3

Radius: 10.3

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.62 AU - 3.74 AU

Year: 4788 Days

Day: 8.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,872,173 km

• M1: 128,953 km (0.074 R)
• M2: 872,305 km (0.117 R)
• M3: 1,404,126 km (0.11 R)
• M4: 1,984,715 km (0.072 R)
• M5: 2,719,240 km (0.111 R)
• M6: 4,053,055 km (0.098 R)
• M7: 4,378,730 km (0.075 R)
• M8: 4,722,057 km (0.092 R)
• M9: 5,437,135 km (0.113 R)
• M10: 6,898,257 km (0.115 R)
• M11: 8,120,621 km (0.111 R)
• M12: 8,676,527 km (0.077 R)
• M13: 11,157,159 km (0.111 R)
• M14: 12,020,638 km (0.106 R)
• M15: 13,209,043 km (0.093 R)
• M16: 13,831,969 km (0.092 R)
• M17: 14,625,137 km (0.068 R)
• M18: 20,097,576 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.2

Radius: 14.7

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.99 AU - 4.49 AU

Year: 5922 Days

Day: 10 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,872,173 km

• M1: 182,809 km (0.119 R)
• M2: 885,470 km (0.104 R)
• M3: 1,512,434 km (0.083 R)
• M4: 2,137,754 km (0.072 R)
• M5: 2,624,545 km (0.101 R)
• M6: 3,284,421 km (0.112 R)
• M7: 6,631,075 km (0.117 R)
• M8: 7,101,411 km (0.107 R)
• M9: 8,265,582 km (0.085 R)
• M10: 8,745,791 km (0.104 R)
• M11: 9,381,133 km (0.078 R)
• M12: 10,011,239 km (0.101 R)
• M13: 12,318,337 km (0.079 R)
• M14: 14,176,941 km (0.06 R)
• M15: 15,197,049 km (0.05 R)
• M16: 17,750,087 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.1

Radius: 6.9

Gravity: 20 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.07 AU - 6.91 AU

Year: 9943 Days

Day: 21.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 41,872,173 km

• M1: 86,318 km (0.115 R)
• M2: 396,135 km (0.085 R)
• M3: 652,396 km (0.091 R)
• M4: 1,098,497 km (0.076 R)
• M5: 1,437,935 km (0.111 R)
• M6: 2,122,046 km (0.065 R)
• M7: 2,891,577 km (0.107 R)
• M8: 3,217,701 km (0.074 R)
• M9: 3,594,089 km (0.115 R)
• M10: 4,084,171 km (0.118 R)
• M11: 6,856,818 km (0.088 R)
• M12: 8,233,119 km (0.047 R)
• M13: 8,557,148 km (0.116 R)
• M14: 9,230,637 km (0.09 R)
• M15: 9,681,974 km (0.055 R)
• M16: 10,359,653 km (0.051 R)
• M17: 12,281,536 km (0.1 R)
• M18: 13,580,495 km (0.099 R)
• M19: 14,968,613 km (0.066 R)
• M20: 15,451,665 km (0.041 R)
• M21: 16,303,774 km (0.113 R)
• M22: 16,889,001 km (0.119 R)
• M23: 17,793,021 km (0.108 R)
• M24: 20,193,768 km (0.05 R)
• M25: 22,621,592 km (0.045 R)
• M26: 23,349,385 km (0.105 R)
• M27: 24,947,839 km (0.116 R)
• M28: 27,021,415 km (0.097 R)
• M29: 28,465,932 km (0.059 R)
• M30: 28,887,947 km (0.066 R)
• M31: 32,991,417 km (0.119 R)
• M32: 41,380,865 km (0.036 R)
• M33: 42,743,702 km (0.032 R)
• M34: 44,559,671 km (0.074 R)
• M35: 47,158,186 km (0.082 R)
• M36: 49,855,884 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.3

Radius: 7.2

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6 AU - 9.88 AU

Year: 15175 Days

Day: 17.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,872,173 km

• M1: 167,250 km (0.086 R)
• M2: 815,458 km (0.041 R)
• M3: 1,098,048 km (0.118 R)
• M4: 1,523,804 km (0.101 R)
• M5: 2,906,537 km (0.116 R)
• M6: 3,388,392 km (0.058 R)
• M7: 4,156,427 km (0.08 R)
• M8: 5,599,448 km (0.105 R)
• M9: 5,930,658 km (0.118 R)
• M10: 6,559,717 km (0.108 R)
• M11: 8,199,758 km (0.045 R)
• M12: 8,670,842 km (0.108 R)
• M13: 12,432,481 km (0.092 R)
• M14: 19,689,623 km (0.107 R)
• M15: 26,851,471 km (0.107 R)
• M16: 27,603,500 km (0.052 R)
• M17: 31,059,510 km (0.118 R)
• M18: 35,799,967 km (0.057 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 11,693 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit