🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.2

Radius: 13.8

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.94 AU - 1.1 AU

Year: 711 Days

Day: 8.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,562,922 km

• M1: 206,894 km (0.109 R)
• M2: 1,072,467 km (0.086 R)
• M3: 1,635,404 km (0.046 R)
• M4: 2,191,459 km (0.115 R)
• M5: 3,502,385 km (0.032 R)
• M6: 4,026,726 km (0.07 R)
• M7: 4,991,333 km (0.057 R)
• M8: 5,606,330 km (0.104 R)
• M9: 6,460,085 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.3

Radius: 11.1

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.41 AU - 2.19 AU

Year: 1667 Days

Day: 13.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,562,922 km

• M1: 138,079 km (0.039 R)
• M2: 537,954 km (0.117 R)
• M3: 987,047 km (0.05 R)
• M4: 1,338,602 km (0.095 R)
• M5: 2,534,487 km (0.106 R)
• M6: 3,003,327 km (0.071 R)
• M7: 4,245,588 km (0.107 R)
• M8: 4,628,558 km (0.111 R)
• M9: 5,464,661 km (0.059 R)
• M10: 6,036,573 km (0.119 R)
• M11: 6,878,061 km (0.101 R)
• M12: 7,246,521 km (0.104 R)
• M13: 8,313,902 km (0.114 R)
• M14: 9,515,322 km (0.039 R)
• M15: 10,141,090 km (0.11 R)
• M16: 10,723,923 km (0.092 R)
• M17: 11,329,047 km (0.118 R)
• M18: 11,695,562 km (0.05 R)
• M19: 13,121,080 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.7

Radius: 10.5

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.05 AU - 2.87 AU

Year: 2663 Days

Day: 6.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,562,922 km

• M1: 130,599 km (0.093 R)
• M2: 581,188 km (0.055 R)
• M3: 986,448 km (0.063 R)
• M4: 1,530,237 km (0.118 R)
• M5: 1,993,541 km (0.058 R)
• M6: 2,653,866 km (0.08 R)
• M7: 3,328,403 km (0.113 R)
• M8: 3,677,864 km (0.04 R)
• M9: 4,740,158 km (0.12 R)
• M10: 5,656,295 km (0.045 R)
• M11: 6,516,034 km (0.115 R)
• M12: 7,710,424 km (0.073 R)
• M13: 8,095,788 km (0.117 R)
• M14: 8,905,262 km (0.039 R)
• M15: 9,583,539 km (0.05 R)
• M16: 10,606,339 km (0.094 R)
• M17: 12,383,413 km (0.085 R)
• M18: 13,047,477 km (0.112 R)
• M19: 15,383,598 km (0.101 R)
• M20: 18,722,473 km (0.118 R)
• M21: 19,302,763 km (0.065 R)
• M22: 19,775,642 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586

Radius: 11.2

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.55 AU - 3.63 AU

Year: 3749 Days

Day: 13.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,562,922 km

• M1: 139,276 km (0.063 R)
• M2: 506,838 km (0.081 R)
• M3: 1,182,721 km (0.054 R)
• M4: 1,970,354 km (0.097 R)
• M5: 2,628,285 km (0.079 R)
• M6: 3,114,777 km (0.08 R)
• M7: 4,203,700 km (0.106 R)
• M8: 4,564,231 km (0.053 R)
• M9: 5,347,675 km (0.047 R)
• M10: 5,909,116 km (0.088 R)
• M11: 6,450,511 km (0.034 R)
• M12: 7,245,025 km (0.051 R)
• M13: 13,783,050 km (0.079 R)
• M14: 19,118,907 km (0.114 R)
• M15: 20,496,404 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664

Radius: 11.4

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.24 AU - 3.62 AU

Year: 4385 Days

Day: 12.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,562,922 km

• M1: 142,118 km (0.108 R)
• M2: 1,193,492 km (0.078 R)
• M3: 1,566,738 km (0.089 R)
• M4: 2,005,359 km (0.094 R)
• M5: 3,385,699 km (0.076 R)
• M6: 3,776,149 km (0.077 R)
• M7: 5,054,463 km (0.085 R)
• M8: 5,539,160 km (0.058 R)
• M9: 6,084,145 km (0.113 R)
• M10: 6,855,622 km (0.101 R)
• M11: 7,691,275 km (0.033 R)
• M12: 8,115,834 km (0.088 R)
• M13: 8,518,701 km (0.106 R)
• M14: 9,089,716 km (0.074 R)
• M15: 9,767,395 km (0.085 R)
• M16: 12,193,124 km (0.072 R)
• M17: 13,469,343 km (0.094 R)
• M18: 13,983,212 km (0.118 R)
• M19: 16,751,371 km (0.111 R)
• M20: 18,139,939 km (0.111 R)
• M21: 18,703,623 km (0.095 R)
• M22: 21,420,770 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.8

Radius: 12.1

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.4 AU - 5.3 AU

Year: 6262 Days

Day: 9.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,562,922 km

• M1: 150,495 km (0.116 R)
• M2: 737,069 km (0.066 R)
• M3: 2,022,264 km (0.096 R)
• M4: 3,044,616 km (0.077 R)
• M5: 3,980,500 km (0.105 R)
• M6: 4,787,730 km (0.094 R)
• M7: 5,274,971 km (0.067 R)
• M8: 6,519,176 km (0.059 R)
• M9: 7,414,070 km (0.094 R)
• M10: 8,147,549 km (0.118 R)
• M11: 9,580,547 km (0.104 R)
• M12: 10,498,479 km (0.047 R)
• M13: 11,574,836 km (0.036 R)
• M14: 14,119,197 km (0.106 R)
• M15: 14,586,690 km (0.118 R)
• M16: 15,064,655 km (0.078 R)
• M17: 18,777,824 km (0.077 R)
• M18: 19,993,905 km (0.111 R)
• M19: 21,337,892 km (0.075 R)
• M20: 23,061,409 km (0.094 R)
• M21: 26,253,828 km (0.105 R)
• M22: 32,886,250 km (0.117 R)
• M23: 34,439,823 km (0.11 R)
• M24: 34,968,502 km (0.04 R)
• M25: 36,368,140 km (0.066 R)

Asteroid Belt

Center: 5.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.5

Radius: 4.7

Gravity: 34.97 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.84 AU - 6.92 AU

Year: 11124 Days

Day: 21.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,562,922 km

• M1: 58,493 km (0.046 R)
• M2: 228,436 km (0.071 R)
• M3: 726,597 km (0.094 R)
• M4: 956,080 km (0.116 R)
• M5: 1,297,014 km (0.083 R)
• M6: 1,503,010 km (0.105 R)
• M7: 2,492,899 km (0.107 R)
• M8: 3,087,999 km (0.098 R)
• M9: 4,585,175 km (0.092 R)
• M10: 5,232,485 km (0.107 R)
• M11: 6,012,638 km (0.043 R)
• M12: 6,469,510 km (0.112 R)
• M13: 6,626,886 km (0.116 R)
• M14: 10,124,335 km (0.094 R)
• M15: 10,715,247 km (0.113 R)
• M16: 10,991,404 km (0.104 R)
• M17: 11,215,652 km (0.107 R)
• M18: 12,933,933 km (0.09 R)
• M19: 13,437,030 km (0.071 R)
• M20: 14,482,570 km (0.102 R)
• M21: 17,331,213 km (0.101 R)
• M22: 19,862,857 km (0.111 R)
• M23: 21,216,568 km (0.113 R)
• M24: 22,450,601 km (0.074 R)
• M25: 26,138,787 km (0.114 R)
• M26: 27,043,854 km (0.096 R)
• M27: 27,762,074 km (0.111 R)
• M28: 33,617,634 km (0.089 R)
• M29: 37,397,373 km (0.106 R)
• M30: 45,787,121 km (0.118 R)
• M31: 48,438,893 km (0.066 R)
• M32: 50,108,704 km (0.118 R)
• M33: 51,973,741 km (0.117 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 19,171 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit