🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.3

Radius: 8.7

Gravity: 13.02 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.75 AU - 1.03 AU

Year: 534 Days

Day: 10.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,000,799 km

• M1: 108,458 km (0.081 R)
• M2: 458,069 km (0.09 R)
• M3: 949,797 km (0.066 R)
• M4: 1,465,012 km (0.104 R)
• M5: 1,766,452 km (0.048 R)
• M6: 2,272,691 km (0.096 R)
• M7: 2,603,601 km (0.083 R)
• M8: 2,954,708 km (0.114 R)
• M9: 3,428,185 km (0.082 R)
• M10: 4,278,350 km (0.095 R)
• M11: 4,835,302 km (0.09 R)
• M12: 5,209,746 km (0.116 R)
• M13: 5,751,440 km (0.111 R)
• M14: 6,349,981 km (0.061 R)
• M15: 6,947,026 km (0.099 R)
• M16: 7,402,402 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123

Radius: 11.8

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.92 AU - 1.54 AU

Year: 867 Days

Day: 13.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,000,799 km

• M1: 146,905 km (0.107 R)
• M2: 600,785 km (0.106 R)
• M3: 1,410,558 km (0.078 R)
• M4: 1,906,326 km (0.087 R)
• M5: 2,408,376 km (0.069 R)
• M6: 2,976,998 km (0.048 R)
• M7: 4,591,757 km (0.071 R)
• M8: 5,130,459 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.9

Radius: 9.7

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.22 AU - 1.7 AU

Year: 1122 Days

Day: 14.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,000,799 km

• M1: 122,072 km (0.118 R)
• M2: 438,771 km (0.058 R)
• M3: 788,530 km (0.095 R)
• M4: 1,121,535 km (0.06 R)
• M5: 1,747,154 km (0.119 R)
• M6: 2,064,899 km (0.098 R)
• M7: 2,553,785 km (0.104 R)
• M8: 3,160,704 km (0.113 R)
• M9: 3,529,163 km (0.067 R)
• M10: 4,026,127 km (0.062 R)
• M11: 4,335,645 km (0.111 R)
• M12: 4,716,970 km (0.091 R)
• M13: 5,042,047 km (0.101 R)
• M14: 5,673,350 km (0.115 R)
• M15: 6,085,941 km (0.072 R)
• M16: 7,860,321 km (0.085 R)
• M17: 8,373,741 km (0.078 R)
• M18: 9,588,176 km (0.063 R)
• M19: 11,216,250 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.9

Radius: 12.5

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.28 AU - 4.14 AU

Year: 4544 Days

Day: 7.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 154.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,000,799 km

• M1: 163,660 km (0.062 R)
• M2: 794,215 km (0.048 R)
• M3: 2,811,243 km (0.105 R)
• M4: 3,210,969 km (0.074 R)
• M5: 3,916,771 km (0.042 R)
• M6: 4,418,224 km (0.065 R)
• M7: 4,828,870 km (0.101 R)
• M8: 5,321,346 km (0.097 R)
• M9: 6,504,665 km (0.092 R)
• M10: 7,673,024 km (0.082 R)
• M11: 8,345,916 km (0.119 R)
• M12: 9,262,502 km (0.118 R)
• M13: 9,895,600 km (0.078 R)
• M14: 10,467,662 km (0.095 R)
• M15: 13,935,191 km (0.075 R)
• M16: 14,710,856 km (0.085 R)
• M17: 15,691,171 km (0.099 R)
• M18: 16,227,479 km (0.031 R)
• M19: 17,717,923 km (0.11 R)
• M20: 18,894,061 km (0.071 R)
• M21: 19,365,295 km (0.103 R)
• M22: 20,969,283 km (0.077 R)
• M23: 22,584,641 km (0.113 R)
• M24: 24,999,749 km (0.047 R)
• M25: 25,814,309 km (0.08 R)
• M26: 26,646,373 km (0.116 R)
• M27: 27,927,978 km (0.104 R)
• M28: 29,160,814 km (0.038 R)
• M29: 30,798,910 km (0.043 R)
• M30: 31,264,609 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.4

Radius: 4.2

Gravity: 55.58 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.66 AU - 7.54 AU

Year: 12029 Days

Day: 23.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 61,000,799 km

• M1: 52,210 km (0.094 R)
• M2: 432,487 km (0.119 R)
• M3: 609,462 km (0.116 R)
• M4: 747,541 km (0.039 R)
• M5: 939,026 km (0.059 R)
• M6: 1,175,390 km (0.096 R)
• M7: 1,870,871 km (0.113 R)
• M8: 2,186,672 km (0.107 R)
• M9: 2,326,696 km (0.046 R)
• M10: 2,783,268 km (0.088 R)
• M11: 3,169,530 km (0.038 R)
• M12: 4,446,946 km (0.108 R)
• M13: 6,390,073 km (0.089 R)
• M14: 6,635,862 km (0.062 R)
• M15: 8,054,948 km (0.11 R)
• M16: 9,399,982 km (0.086 R)
• M17: 11,839,923 km (0.035 R)
• M18: 12,336,289 km (0.082 R)
• M19: 13,436,582 km (0.109 R)
• M20: 15,756,545 km (0.109 R)
• M21: 16,129,792 km (0.108 R)
• M22: 16,894,088 km (0.058 R)
• M23: 17,049,819 km (0.115 R)
• M24: 20,368,648 km (0.073 R)
• M25: 24,889,346 km (0.101 R)
• M26: 25,192,281 km (0.097 R)
• M27: 26,743,611 km (0.115 R)
• M28: 27,489,058 km (0.095 R)
• M29: 32,734,707 km (0.11 R)
• M30: 35,591,278 km (0.071 R)
• M31: 37,145,600 km (0.094 R)
• M32: 48,053,379 km (0.093 R)
• M33: 48,995,547 km (0.062 R)
• M34: 50,271,018 km (0.098 R)
• M35: 53,723,737 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697.7

Radius: 7.5

Gravity: 12.4 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.66 AU - 8.22 AU

Year: 14225 Days

Day: 17.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 61,000,799 km

• M1: 93,349 km (0.093 R)
• M2: 333,454 km (0.093 R)
• M3: 633,547 km (0.097 R)
• M4: 945,758 km (0.116 R)
• M5: 1,672,803 km (0.116 R)
• M6: 1,907,822 km (0.095 R)
• M7: 2,302,012 km (0.067 R)
• M8: 2,704,730 km (0.09 R)
• M9: 4,969,641 km (0.101 R)
• M10: 5,496,824 km (0.089 R)
• M11: 6,787,106 km (0.075 R)
• M12: 7,798,387 km (0.073 R)
• M13: 8,125,259 km (0.092 R)
• M14: 11,313,638 km (0.113 R)
• M15: 11,793,548 km (0.037 R)
• M16: 12,602,424 km (0.117 R)
• M17: 16,897,379 km (0.045 R)
• M18: 17,445,206 km (0.06 R)
• M19: 17,763,550 km (0.073 R)
• M20: 18,085,934 km (0.092 R)
• M21: 20,101,915 km (0.066 R)
• M22: 21,344,774 km (0.06 R)
• M23: 22,543,950 km (0.077 R)
• M24: 23,593,080 km (0.091 R)
• M25: 26,514,876 km (0.117 R)
• M26: 31,277,923 km (0.103 R)
• M27: 32,103,703 km (0.11 R)
• M28: 33,922,065 km (0.087 R)
• M29: 34,293,816 km (0.116 R)
• M30: 36,193,410 km (0.116 R)
• M31: 39,240,718 km (0.052 R)
• M32: 43,031,229 km (0.108 R)
• M33: 50,682,113 km (0.103 R)
• M34: 51,168,007 km (0.112 R)
• M35: 59,550,724 km (0.108 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 10,961 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit