🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.1

Radius: 13.5

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.49 AU - 0.63 AU

Year: 284 Days

Day: 10.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 145.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 81,777,247 km

• M1: 171,290 km (0.085 R)
• M2: 736,770 km (0.116 R)
• M3: 1,179,579 km (0.083 R)
• M4: 2,061,159 km (0.102 R)
• M5: 2,644,591 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.1

Radius: 11.9

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.87 AU - 1.03 AU

Year: 628 Days

Day: 6.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,777,247 km

• M1: 148,102 km (0.06 R)
• M2: 559,047 km (0.114 R)
• M3: 1,118,244 km (0.093 R)
• M4: 1,542,653 km (0.079 R)
• M5: 1,965,267 km (0.098 R)
• M6: 2,639,505 km (0.116 R)
• M7: 3,239,093 km (0.056 R)
• M8: 3,972,123 km (0.111 R)
• M9: 4,498,558 km (0.109 R)
• M10: 5,230,690 km (0.078 R)
• M11: 5,710,899 km (0.083 R)
• M12: 7,085,853 km (0.087 R)
• M13: 7,628,594 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.2

Radius: 11.6

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.27 AU - 1.39 AU

Year: 1040 Days

Day: 9.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,777,247 km

• M1: 144,212 km (0.111 R)
• M2: 513,270 km (0.076 R)
• M3: 980,614 km (0.105 R)
• M4: 1,457,382 km (0.081 R)
• M5: 2,066,994 km (0.044 R)
• M6: 2,649,528 km (0.071 R)
• M7: 3,041,624 km (0.082 R)
• M8: 3,412,926 km (0.062 R)
• M9: 3,911,835 km (0.114 R)
• M10: 4,317,544 km (0.093 R)
• M11: 4,883,473 km (0.039 R)
• M12: 5,395,696 km (0.092 R)
• M13: 6,009,197 km (0.072 R)
• M14: 6,787,106 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.3

Radius: 14

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.22 AU - 1.72 AU

Year: 1209 Days

Day: 10.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 56.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,777,247 km

• M1: 174,431 km (0.104 R)
• M2: 879,785 km (0.078 R)
• M3: 1,543,252 km (0.086 R)
• M4: 2,045,302 km (0.102 R)
• M5: 2,711,461 km (0.092 R)
• M6: 3,350,992 km (0.113 R)
• M7: 4,238,257 km (0.101 R)
• M8: 6,046,746 km (0.12 R)
• M9: 7,123,701 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.1

Radius: 12.3

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.01 AU - 2.35 AU

Year: 2183 Days

Day: 14.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,777,247 km

• M1: 153,039 km (0.106 R)
• M2: 628,610 km (0.076 R)
• M3: 1,244,505 km (0.064 R)
• M4: 1,753,137 km (0.082 R)
• M5: 2,243,070 km (0.051 R)
• M6: 2,794,339 km (0.113 R)
• M7: 3,183,592 km (0.108 R)
• M8: 3,609,497 km (0.066 R)
• M9: 4,190,685 km (0.104 R)
• M10: 4,921,321 km (0.094 R)
• M11: 5,305,937 km (0.102 R)
• M12: 5,784,351 km (0.082 R)
• M13: 6,449,164 km (0.052 R)
• M14: 8,085,615 km (0.088 R)
• M15: 8,526,779 km (0.083 R)
• M16: 9,185,010 km (0.09 R)
• M17: 11,017,584 km (0.081 R)
• M18: 11,403,696 km (0.108 R)
• M19: 12,285,127 km (0.114 R)
• M20: 13,515,868 km (0.118 R)
• M21: 13,958,828 km (0.085 R)
• M22: 14,827,243 km (0.113 R)
• M23: 15,975,108 km (0.099 R)
• M24: 17,181,315 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833

Radius: 14.9

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.88 AU - 2.5 AU

Year: 2198 Days

Day: 7.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,777,247 km

• M1: 185,352 km (0.109 R)
• M2: 713,881 km (0.109 R)
• M3: 1,374,954 km (0.096 R)
• M4: 1,992,793 km (0.1 R)
• M5: 2,963,235 km (0.118 R)
• M6: 3,512,857 km (0.036 R)
• M7: 4,539,847 km (0.096 R)
• M8: 6,567,795 km (0.092 R)
• M9: 8,252,267 km (0.074 R)
• M10: 10,209,606 km (0.053 R)
• M11: 15,804,417 km (0.099 R)
• M12: 17,337,944 km (0.097 R)
• M13: 18,524,256 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.8

Radius: 3.3

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 7.92 AU - 10.04 AU

Year: 18252 Days

Day: 18.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,777,247 km

• M1: 73,004 km (0.093 R)
• M2: 351,405 km (0.079 R)
• M3: 465,249 km (0.077 R)
• M4: 1,280,558 km (0.083 R)
• M5: 2,587,744 km (0.06 R)
• M6: 5,438,780 km (0.11 R)
• M7: 5,679,633 km (0.104 R)
• M8: 6,298,220 km (0.101 R)
• M9: 8,177,169 km (0.046 R)
• M10: 10,645,384 km (0.079 R)
• M11: 17,904,472 km (0.07 R)
• M12: 22,325,986 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.8

Radius: 6.8

Gravity: 19.07 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.33 AU - 11.53 AU

Year: 19641 Days

Day: 22 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,777,247 km

• M1: 85,720 km (0.07 R)
• M2: 299,196 km (0.111 R)
• M3: 514,916 km (0.109 R)
• M4: 2,224,820 km (0.094 R)
• M5: 3,020,381 km (0.111 R)
• M6: 4,531,918 km (0.088 R)
• M7: 8,036,248 km (0.079 R)
• M8: 11,113,476 km (0.095 R)
• M9: 13,381,829 km (0.107 R)
• M10: 14,050,232 km (0.099 R)
• M11: 16,023,727 km (0.116 R)
• M12: 16,523,534 km (0.111 R)
• M13: 18,174,945 km (0.083 R)
• M14: 21,499,757 km (0.097 R)
• M15: 21,903,821 km (0.108 R)
• M16: 22,727,208 km (0.091 R)
• M17: 23,146,381 km (0.114 R)
• M18: 25,208,887 km (0.085 R)
• M19: 27,985,274 km (0.095 R)
• M20: 30,196,629 km (0.066 R)
• M21: 31,474,195 km (0.074 R)
• M22: 32,787,365 km (0.082 R)
• M23: 34,136,738 km (0.037 R)
• M24: 39,602,296 km (0.101 R)
• M25: 40,977,101 km (0.111 R)
• M26: 43,499,470 km (0.109 R)
• M27: 45,457,707 km (0.089 R)
• M28: 47,473,987 km (0.088 R)
• M29: 49,900,763 km (0.09 R)
• M30: 54,251,369 km (0.082 R)
• M31: 58,259,694 km (0.105 R)
• M32: 61,848,996 km (0.09 R)
• M33: 62,666,099 km (0.088 R)
• M34: 71,237,608 km (0.094 R)
• M35: 78,393,922 km (0.114 R)
• M36: 80,315,656 km (0.081 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 18,752 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit