🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.13 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.07 AU - 2.43 AU

Year: 1495 Days

Day: 23.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 76,689,900 km

• M1: 86,767 km (0.027 R)
• M2: 2,323,704 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.6

Radius: 12.2

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.3 AU - 2.64 AU

Year: 1719 Days

Day: 13.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,689,900 km

• M1: 151,692 km (0.051 R)
• M2: 537,954 km (0.06 R)
• M3: 976,425 km (0.105 R)
• M4: 1,443,919 km (0.036 R)
• M5: 1,876,107 km (0.047 R)
• M6: 2,363,497 km (0.088 R)
• M7: 2,825,605 km (0.059 R)
• M8: 3,348,000 km (0.116 R)
• M9: 4,118,429 km (0.103 R)
• M10: 4,537,902 km (0.049 R)
• M11: 5,039,653 km (0.11 R)
• M12: 5,616,652 km (0.115 R)
• M13: 6,012,039 km (0.106 R)
• M14: 7,735,855 km (0.087 R)
• M15: 8,251,669 km (0.091 R)
• M16: 9,055,159 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.7

Radius: 14.9

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.71 AU - 2.75 AU

Year: 1998 Days

Day: 5.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,689,900 km

• M1: 185,950 km (0.115 R)
• M2: 697,575 km (0.099 R)
• M3: 1,461,422 km (0.102 R)
• M4: 2,346,742 km (0.071 R)
• M5: 3,079,173 km (0.036 R)
• M6: 3,905,701 km (0.05 R)
• M7: 4,728,340 km (0.06 R)
• M8: 5,759,219 km (0.11 R)
• M9: 6,535,482 km (0.112 R)
• M10: 7,437,408 km (0.113 R)
• M11: 8,703,903 km (0.096 R)
• M12: 9,693,493 km (0.102 R)
• M13: 10,610,678 km (0.088 R)
• M14: 12,415,127 km (0.101 R)
• M15: 13,242,104 km (0.098 R)
• M16: 14,686,771 km (0.035 R)
• M17: 16,282,831 km (0.034 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.4

Radius: 6.4

Gravity: 13 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 9.38 AU - 9.82 AU

Year: 13175 Days

Day: 20 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,689,900 km

• M1: 80,932 km (0.119 R)
• M2: 555,457 km (0.053 R)
• M3: 847,771 km (0.109 R)
• M4: 2,801,968 km (0.113 R)
• M5: 3,592,742 km (0.09 R)
• M6: 4,739,859 km (0.082 R)
• M7: 7,688,433 km (0.094 R)
• M8: 8,593,350 km (0.111 R)
• M9: 10,397,950 km (0.104 R)
• M10: 11,219,392 km (0.097 R)
• M11: 13,684,465 km (0.12 R)
• M12: 19,654,467 km (0.084 R)
• M13: 23,662,942 km (0.03 R)
• M14: 24,983,293 km (0.102 R)
• M15: 30,099,989 km (0.1 R)
• M16: 32,671,726 km (0.1 R)
• M17: 32,902,107 km (0.084 R)
• M18: 34,306,980 km (0.118 R)
• M19: 37,739,504 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.7

Radius: 7.5

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 9.98 AU - 11.26 AU

Year: 15329 Days

Day: 22.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,689,900 km

• M1: 93,199 km (0.112 R)
• M2: 803,939 km (0.086 R)
• M3: 1,204,712 km (0.099 R)
• M4: 1,578,108 km (0.094 R)
• M5: 1,868,477 km (0.083 R)
• M6: 2,426,328 km (0.095 R)
• M7: 3,046,860 km (0.045 R)
• M8: 7,988,078 km (0.051 R)
• M9: 9,303,791 km (0.084 R)
• M10: 10,911,519 km (0.091 R)
• M11: 12,582,827 km (0.109 R)
• M12: 28,704,839 km (0.119 R)
• M13: 29,597,789 km (0.08 R)
• M14: 30,509,289 km (0.117 R)
• M15: 35,688,367 km (0.078 R)
• M16: 40,675,960 km (0.098 R)

Asteroid Belt

Center: 11.44 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 12.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 776

Radius: 7.3

Gravity: 14.56 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 11.46 AU - 13.06 AU

Year: 19014 Days

Day: 22.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,689,900 km

• M1: 91,105 km (0.081 R)
• M2: 404,513 km (0.081 R)
• M3: 1,034,918 km (0.094 R)
• M4: 1,790,387 km (0.113 R)
• M5: 2,696,053 km (0.074 R)
• M6: 3,374,928 km (0.073 R)
• M7: 3,908,244 km (0.107 R)
• M8: 4,634,542 km (0.114 R)
• M9: 6,309,290 km (0.058 R)
• M10: 7,353,783 km (0.094 R)
• M11: 10,371,770 km (0.1 R)
• M12: 11,952,421 km (0.089 R)
• M13: 14,201,924 km (0.073 R)
• M14: 15,426,084 km (0.078 R)
• M15: 16,553,603 km (0.114 R)
• M16: 19,153,165 km (0.103 R)
• M17: 19,519,081 km (0.111 R)
• M18: 20,454,517 km (0.052 R)
• M19: 21,714,729 km (0.094 R)
• M20: 25,254,215 km (0.07 R)
• M21: 26,027,935 km (0.111 R)
• M22: 27,738,736 km (0.029 R)
• M23: 27,972,408 km (0.117 R)
• M24: 28,920,111 km (0.119 R)
• M25: 29,523,289 km (0.077 R)
• M26: 31,763,966 km (0.104 R)
• M27: 32,406,040 km (0.057 R)
• M28: 40,648,135 km (0.098 R)
• M29: 46,143,014 km (0.09 R)
• M30: 48,982,232 km (0.094 R)
• M31: 49,666,792 km (0.081 R)
• M32: 50,184,401 km (0.076 R)
• M33: 54,822,084 km (0.119 R)
• M34: 58,195,068 km (0.103 R)
• M35: 63,509,981 km (0.072 R)
• M36: 67,227,488 km (0.075 R)
• M37: 70,651,334 km (0.046 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 12,711 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit