🌌 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: 719.5

Radius: 8

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.73 AU - 0.79 AU

Year: 449 Days

Day: 14 Hours

Environment

Temp: -153 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,708,004 km

• M1: 99,782 km (0.054 R)
• M2: 350,508 km (0.086 R)
• M3: 843,283 km (0.063 R)
• M4: 1,107,623 km (0.116 R)
• M5: 1,550,582 km (0.025 R)
• M6: 1,825,692 km (0.063 R)
• M7: 2,186,672 km (0.091 R)
• M8: 2,466,270 km (0.108 R)
• M9: 3,539,037 km (0.089 R)
• M10: 3,833,745 km (0.114 R)
• M11: 4,228,683 km (0.108 R)
• M12: 4,501,998 km (0.079 R)
• M13: 5,376,996 km (0.099 R)
• M14: 5,750,093 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.9

Radius: 13

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.34 AU - 1.82 AU

Year: 1347 Days

Day: 9.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,708,004 km

• M1: 164,408 km (0.059 R)
• M2: 607,517 km (0.095 R)
• M3: 1,012,179 km (0.115 R)
• M4: 1,679,984 km (0.105 R)
• M5: 2,409,423 km (0.081 R)
• M6: 3,053,143 km (0.062 R)
• M7: 3,570,153 km (0.113 R)
• M8: 5,034,417 km (0.109 R)
• M9: 5,695,191 km (0.089 R)
• M10: 6,460,085 km (0.103 R)
• M11: 7,921,955 km (0.112 R)
• M12: 8,673,236 km (0.062 R)
• M13: 10,222,023 km (0.112 R)
• M14: 10,810,391 km (0.095 R)
• M15: 11,983,687 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.7

Radius: 9.4

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.88 AU - 2.82 AU

Year: 2443 Days

Day: 14.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,708,004 km

• M1: 119,080 km (0.093 R)
• M2: 486,193 km (0.052 R)
• M3: 1,215,632 km (0.06 R)
• M4: 1,798,166 km (0.109 R)
• M5: 2,301,713 km (0.11 R)
• M6: 3,730,373 km (0.109 R)
• M7: 4,427,947 km (0.102 R)
• M8: 6,644,539 km (0.117 R)
• M9: 7,541,229 km (0.106 R)
• M10: 8,137,975 km (0.063 R)
• M11: 9,965,013 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.9

Radius: 9.8

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.97 AU - 3.01 AU

Year: 2665 Days

Day: 14.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,708,004 km

• M1: 121,922 km (0.072 R)
• M2: 555,008 km (0.12 R)
• M3: 967,749 km (0.093 R)
• M4: 1,324,091 km (0.109 R)
• M5: 2,497,237 km (0.077 R)
• M6: 3,819,982 km (0.063 R)
• M7: 4,377,682 km (0.086 R)
• M8: 5,212,439 km (0.117 R)
• M9: 5,776,572 km (0.094 R)
• M10: 6,645,137 km (0.076 R)
• M11: 7,027,210 km (0.115 R)
• M12: 8,704,352 km (0.116 R)
• M13: 10,305,498 km (0.103 R)
• M14: 12,296,197 km (0.099 R)
• M15: 12,623,667 km (0.028 R)
• M16: 13,728,746 km (0.062 R)
• M17: 14,259,968 km (0.113 R)
• M18: 15,363,552 km (0.054 R)
• M19: 15,984,532 km (0.097 R)
• M20: 16,572,602 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.9

Radius: 8.5

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.16 AU - 3.52 AU

Year: 4140 Days

Day: 5.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,708,004 km

• M1: 107,411 km (0.038 R)
• M2: 553,063 km (0.114 R)
• M3: 889,359 km (0.11 R)
• M4: 1,402,929 km (0.088 R)
• M5: 2,226,166 km (0.051 R)
• M6: 2,864,799 km (0.107 R)
• M7: 3,205,134 km (0.113 R)
• M8: 4,282,987 km (0.109 R)
• M9: 4,710,388 km (0.101 R)
• M10: 5,870,520 km (0.12 R)
• M11: 7,262,079 km (0.09 R)
• M12: 11,260,830 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.9

Radius: 4.5

Gravity: 37.43 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.22 AU - 7.08 AU

Year: 10344 Days

Day: 20.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,708,004 km

• M1: 55,950 km (0.057 R)
• M2: 905,815 km (0.105 R)
• M3: 2,029,295 km (0.103 R)
• M4: 2,172,311 km (0.095 R)
• M5: 2,478,687 km (0.042 R)
• M6: 3,225,330 km (0.112 R)
• M7: 4,254,115 km (0.081 R)
• M8: 4,429,743 km (0.116 R)
• M9: 4,986,247 km (0.106 R)
• M10: 5,416,191 km (0.091 R)
• M11: 5,906,274 km (0.07 R)
• M12: 8,031,910 km (0.072 R)
• M13: 9,485,851 km (0.075 R)
• M14: 12,601,077 km (0.097 R)
• M15: 17,355,298 km (0.054 R)
• M16: 20,250,316 km (0.066 R)
• M17: 22,732,743 km (0.083 R)
• M18: 23,090,282 km (0.097 R)
• M19: 25,124,364 km (0.077 R)
• M20: 27,983,927 km (0.112 R)
• M21: 28,705,288 km (0.118 R)
• M22: 31,162,583 km (0.082 R)
• M23: 38,225,846 km (0.106 R)
• M24: 39,241,466 km (0.043 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: 269 - 17,291 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit