🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.45 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.3

Radius: 13.3

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.75 AU - 3.03 AU

Year: 3391 Days

Day: 11.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,964,731 km

• M1: 168,597 km (0.071 R)
• M2: 600,935 km (0.098 R)
• M3: 1,233,883 km (0.087 R)
• M4: 1,780,963 km (0.082 R)
• M5: 2,216,143 km (0.065 R)
• M6: 2,723,130 km (0.114 R)
• M7: 3,342,465 km (0.098 R)
• M8: 5,049,527 km (0.057 R)
• M9: 5,480,967 km (0.113 R)
• M10: 6,015,630 km (0.087 R)
• M11: 6,529,049 km (0.115 R)
• M12: 6,955,104 km (0.097 R)
• M13: 8,054,200 km (0.073 R)
• M14: 9,336,553 km (0.096 R)
• M15: 10,790,046 km (0.107 R)
• M16: 11,266,216 km (0.093 R)
• M17: 12,007,024 km (0.04 R)
• M18: 12,432,331 km (0.11 R)
• M19: 13,677,434 km (0.087 R)
• M20: 14,761,121 km (0.093 R)
• M21: 15,598,121 km (0.077 R)
• M22: 16,518,746 km (0.073 R)
• M23: 18,864,591 km (0.078 R)
• M24: 19,324,455 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.3

Radius: 11.3

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.38 AU - 3.9 AU

Year: 3841 Days

Day: 10.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,964,731 km

• M1: 140,472 km (0.113 R)
• M2: 496,067 km (0.03 R)
• M3: 1,603,839 km (0.1 R)
• M4: 2,371,276 km (0.116 R)
• M5: 2,933,315 km (0.051 R)
• M6: 3,406,942 km (0.091 R)
• M7: 3,764,481 km (0.109 R)
• M8: 4,235,565 km (0.108 R)
• M9: 5,245,201 km (0.06 R)
• M10: 5,862,591 km (0.065 R)
• M11: 7,437,408 km (0.072 R)
• M12: 9,353,906 km (0.114 R)
• M13: 10,303,553 km (0.107 R)
• M14: 11,229,415 km (0.102 R)
• M15: 14,649,820 km (0.057 R)
• M16: 15,015,587 km (0.059 R)
• M17: 16,427,791 km (0.119 R)
• M18: 16,936,723 km (0.071 R)
• M19: 20,537,992 km (0.081 R)
• M20: 20,996,510 km (0.061 R)
• M21: 21,462,059 km (0.102 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.6

Radius: 6.7

Gravity: 20.66 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.22 AU - 7.68 AU

Year: 12647 Days

Day: 19.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,964,731 km

• M1: 83,326 km (0.11 R)
• M2: 481,855 km (0.082 R)
• M3: 788,830 km (0.106 R)
• M4: 1,122,433 km (0.072 R)
• M5: 1,442,871 km (0.08 R)
• M6: 2,877,665 km (0.116 R)
• M7: 3,428,334 km (0.117 R)
• M8: 4,197,567 km (0.092 R)
• M9: 4,574,254 km (0.063 R)
• M10: 5,395,247 km (0.087 R)
• M11: 6,270,395 km (0.105 R)
• M12: 9,356,150 km (0.101 R)
• M13: 9,674,195 km (0.047 R)
• M14: 11,194,708 km (0.098 R)
• M15: 11,432,868 km (0.103 R)
• M16: 14,141,188 km (0.082 R)
• M17: 22,532,431 km (0.097 R)
• M18: 25,180,613 km (0.07 R)
• M19: 33,242,143 km (0.068 R)
• M20: 35,368,826 km (0.04 R)
• M21: 44,485,171 km (0.108 R)
• M22: 46,295,155 km (0.119 R)
• M23: 51,034,117 km (0.083 R)
• M24: 51,689,355 km (0.112 R)
• M25: 55,912,803 km (0.092 R)
• M26: 58,733,171 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 527.8

Radius: 5.6

Gravity: 16.83 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.52 AU - 10.24 AU

Year: 16745 Days

Day: 19.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 61,964,731 km

• M1: 89,160 km (0.119 R)
• M2: 313,707 km (0.109 R)
• M3: 765,343 km (0.065 R)
• M4: 979,866 km (0.089 R)
• M5: 2,862,256 km (0.103 R)
• M6: 3,054,789 km (0.074 R)
• M7: 3,439,255 km (0.049 R)
• M8: 4,493,471 km (0.111 R)
• M9: 4,688,098 km (0.105 R)
• M10: 5,025,142 km (0.075 R)
• M11: 5,199,573 km (0.1 R)
• M12: 5,560,702 km (0.038 R)
• M13: 6,173,156 km (0.098 R)
• M14: 8,722,453 km (0.119 R)
• M15: 9,708,004 km (0.079 R)
• M16: 11,352,085 km (0.107 R)
• M17: 11,653,225 km (0.118 R)
• M18: 12,976,419 km (0.116 R)
• M19: 15,180,743 km (0.063 R)
• M20: 16,371,243 km (0.114 R)
• M21: 17,864,230 km (0.052 R)
• M22: 19,531,498 km (0.06 R)
• M23: 20,669,040 km (0.081 R)
• M24: 22,884,285 km (0.108 R)
• M25: 23,171,813 km (0.077 R)
• M26: 28,437,059 km (0.097 R)
• M27: 30,355,203 km (0.085 R)
• M28: 32,841,520 km (0.112 R)
• M29: 34,196,577 km (0.117 R)
• M30: 34,698,478 km (0.09 R)
• M31: 39,438,337 km (0.072 R)
• M32: 41,250,865 km (0.104 R)
• M33: 41,676,770 km (0.113 R)
• M34: 42,249,431 km (0.066 R)
• M35: 46,711,935 km (0.086 R)
• M36: 55,517,864 km (0.105 R)
• M37: 56,385,083 km (0.119 R)
• M38: 57,968,876 km (0.025 R)
• M39: 60,308,586 km (0.106 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 14,036 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit