🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644

Radius: 11.6

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.35 AU - 1.87 AU

Year: 1386 Days

Day: 7.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,236,335 km

• M1: 144,212 km (0.102 R)
• M2: 603,179 km (0.116 R)
• M3: 994,676 km (0.118 R)
• M4: 1,501,663 km (0.035 R)
• M5: 2,257,581 km (0.084 R)
• M6: 3,252,108 km (0.067 R)
• M7: 4,087,014 km (0.097 R)
• M8: 5,429,804 km (0.092 R)
• M9: 7,098,120 km (0.082 R)
• M10: 8,442,257 km (0.047 R)
• M11: 9,572,319 km (0.108 R)
• M12: 10,901,945 km (0.032 R)
• M13: 12,240,846 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.1

Radius: 10.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.42 AU - 1.82 AU

Year: 1399 Days

Day: 5.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,236,335 km

• M1: 136,583 km (0.104 R)
• M2: 479,162 km (0.095 R)
• M3: 822,040 km (0.083 R)
• M4: 1,174,792 km (0.116 R)
• M5: 1,579,903 km (0.116 R)
• M6: 2,088,985 km (0.116 R)
• M7: 3,030,254 km (0.112 R)
• M8: 3,983,492 km (0.095 R)
• M9: 4,476,716 km (0.119 R)
• M10: 4,821,689 km (0.114 R)
• M11: 5,164,866 km (0.052 R)
• M12: 6,452,007 km (0.069 R)
• M13: 7,037,233 km (0.119 R)
• M14: 7,455,210 km (0.117 R)
• M15: 7,941,852 km (0.113 R)
• M16: 8,559,242 km (0.109 R)
• M17: 10,478,284 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.5

Radius: 8.9

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.07 AU - 2.97 AU

Year: 2713 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,236,335 km

• M1: 111,450 km (0.063 R)
• M2: 431,889 km (0.031 R)
• M3: 789,877 km (0.055 R)
• M4: 1,826,740 km (0.115 R)
• M5: 2,238,433 km (0.119 R)
• M6: 2,680,794 km (0.088 R)
• M7: 3,146,642 km (0.103 R)
• M8: 3,535,147 km (0.055 R)
• M9: 4,495,266 km (0.118 R)
• M10: 5,178,031 km (0.112 R)
• M11: 7,458,800 km (0.084 R)
• M12: 9,271,926 km (0.059 R)
• M13: 10,529,596 km (0.082 R)
• M14: 10,999,483 km (0.09 R)
• M15: 11,689,129 km (0.115 R)
• M16: 12,235,759 km (0.099 R)
• M17: 14,546,149 km (0.05 R)
• M18: 15,376,866 km (0.075 R)
• M19: 15,930,976 km (0.059 R)
• M20: 16,238,849 km (0.116 R)
• M21: 16,760,796 km (0.108 R)
• M22: 17,079,290 km (0.082 R)
• M23: 17,510,132 km (0.068 R)
• M24: 18,789,642 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.8

Radius: 8.4

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.56 AU - 3.06 AU

Year: 3195 Days

Day: 12.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,236,335 km

• M1: 104,419 km (0.07 R)
• M2: 402,867 km (0.117 R)
• M3: 716,125 km (0.052 R)
• M4: 1,764,956 km (0.094 R)
• M5: 2,633,072 km (0.095 R)
• M6: 2,931,370 km (0.113 R)
• M7: 3,710,925 km (0.094 R)
• M8: 3,982,146 km (0.034 R)
• M9: 7,265,370 km (0.107 R)
• M10: 7,529,859 km (0.069 R)
• M11: 8,276,502 km (0.112 R)
• M12: 9,041,247 km (0.062 R)
• M13: 9,756,324 km (0.118 R)
• M14: 12,054,447 km (0.073 R)
• M15: 12,425,898 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.6

Radius: 14.9

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.69 AU - 4.31 AU

Year: 4441 Days

Day: 9.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,236,335 km

• M1: 216,169 km (0.114 R)
• M2: 692,040 km (0.119 R)
• M3: 1,186,910 km (0.068 R)
• M4: 2,699,045 km (0.084 R)
• M5: 3,921,110 km (0.073 R)
• M6: 5,243,106 km (0.109 R)
• M7: 5,909,265 km (0.102 R)
• M8: 7,437,408 km (0.116 R)
• M9: 8,362,671 km (0.112 R)
• M10: 9,157,185 km (0.106 R)
• M11: 11,432,718 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.3

Radius: 13.9

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.9 AU - 4.72 AU

Year: 5044 Days

Day: 9.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,236,335 km

• M1: 172,935 km (0.071 R)
• M2: 621,430 km (0.103 R)
• M3: 1,069,475 km (0.098 R)
• M4: 1,698,534 km (0.107 R)
• M5: 2,293,186 km (0.098 R)
• M6: 3,359,968 km (0.116 R)
• M7: 4,331,457 km (0.09 R)
• M8: 5,321,795 km (0.096 R)
• M9: 6,072,178 km (0.101 R)
• M10: 7,478,846 km (0.093 R)
• M11: 8,385,409 km (0.079 R)
• M12: 11,458,150 km (0.098 R)
• M13: 14,838,912 km (0.116 R)
• M14: 15,598,271 km (0.086 R)
• M15: 20,115,827 km (0.057 R)
• M16: 25,438,968 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.4

Radius: 4.4

Gravity: 46.04 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 6.32 AU - 9.82 AU

Year: 15549 Days

Day: 16.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,236,335 km

• M1: 61,934 km (0.046 R)
• M2: 235,168 km (0.118 R)
• M3: 650,601 km (0.045 R)
• M4: 1,061,696 km (0.113 R)
• M5: 1,375,552 km (0.073 R)
• M6: 1,546,393 km (0.102 R)
• M7: 1,893,311 km (0.052 R)
• M8: 2,886,790 km (0.116 R)
• M9: 4,821,240 km (0.116 R)
• M10: 4,962,909 km (0.092 R)
• M11: 5,143,773 km (0.056 R)
• M12: 5,712,843 km (0.115 R)
• M13: 6,535,632 km (0.048 R)
• M14: 8,061,380 km (0.115 R)
• M15: 10,094,565 km (0.109 R)
• M16: 10,268,398 km (0.045 R)
• M17: 12,847,764 km (0.097 R)
• M18: 13,536,663 km (0.075 R)
• M19: 14,177,390 km (0.09 R)
• M20: 16,780,992 km (0.046 R)
• M21: 21,162,713 km (0.044 R)
• M22: 25,067,517 km (0.102 R)
• M23: 25,923,815 km (0.077 R)
• M24: 29,544,383 km (0.104 R)
• M25: 30,984,561 km (0.105 R)
• M26: 33,231,671 km (0.096 R)
• M27: 36,939,155 km (0.084 R)
• M28: 43,766,353 km (0.08 R)
• M29: 47,232,237 km (0.12 R)
• M30: 47,394,101 km (0.086 R)
• M31: 49,364,006 km (0.11 R)
• M32: 49,697,609 km (0.113 R)
• M33: 50,200,707 km (0.107 R)
• M34: 50,876,740 km (0.12 R)
• M35: 54,348,607 km (0.101 R)
• M36: 57,237,342 km (0.089 R)
• M37: 63,318,496 km (0.05 R)
• M38: 63,909,706 km (0.103 R)
• M39: 68,358,448 km (0.06 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 19,713 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit