🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.5

Radius: 14.6

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.74 AU - 1.14 AU

Year: 579 Days

Day: 9 Hours

Environment

Temp: -145 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,788,621 km

• M1: 181,612 km (0.045 R)
• M2: 679,474 km (0.073 R)
• M3: 1,468,154 km (0.052 R)
• M4: 2,215,395 km (0.114 R)
• M5: 2,673,164 km (0.103 R)
• M6: 3,442,995 km (0.107 R)
• M7: 4,477,913 km (0.092 R)
• M8: 7,203,736 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.1

Radius: 12.6

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.01 AU - 1.43 AU

Year: 857 Days

Day: 11.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,788,621 km

• M1: 156,779 km (0.1 R)
• M2: 611,556 km (0.041 R)
• M3: 1,161,927 km (0.115 R)
• M4: 1,586,934 km (0.101 R)
• M5: 2,077,166 km (0.117 R)
• M6: 2,876,917 km (0.072 R)
• M7: 3,483,985 km (0.079 R)
• M8: 4,685,405 km (0.06 R)
• M9: 5,179,976 km (0.103 R)
• M10: 5,689,207 km (0.112 R)
• M11: 6,210,107 km (0.096 R)
• M12: 7,252,206 km (0.08 R)
• M13: 7,916,271 km (0.103 R)
• M14: 8,782,442 km (0.117 R)
• M15: 9,451,444 km (0.12 R)
• M16: 10,154,105 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.7

Radius: 13

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.1 AU - 1.52 AU

Year: 953 Days

Day: 5.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,788,621 km

• M1: 165,455 km (0.053 R)
• M2: 578,196 km (0.108 R)
• M3: 1,082,191 km (0.054 R)
• M4: 1,851,423 km (0.1 R)
• M5: 2,350,183 km (0.056 R)
• M6: 2,804,511 km (0.086 R)
• M7: 3,532,455 km (0.03 R)
• M8: 4,519,800 km (0.083 R)
• M9: 5,755,329 km (0.075 R)
• M10: 6,316,022 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.9

Radius: 9.1

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.69 AU - 1.93 AU

Year: 1548 Days

Day: 13.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,788,621 km

• M1: 113,246 km (0.109 R)
• M2: 442,361 km (0.079 R)
• M3: 809,025 km (0.086 R)
• M4: 1,196,035 km (0.089 R)
• M5: 1,490,593 km (0.115 R)
• M6: 1,843,794 km (0.032 R)
• M7: 2,296,776 km (0.116 R)
• M8: 2,733,901 km (0.095 R)
• M9: 3,060,024 km (0.074 R)
• M10: 4,098,084 km (0.115 R)
• M11: 4,527,131 km (0.08 R)
• M12: 5,295,615 km (0.062 R)
• M13: 5,638,793 km (0.116 R)
• M14: 6,758,383 km (0.119 R)
• M15: 7,090,191 km (0.085 R)
• M16: 7,735,407 km (0.062 R)
• M17: 8,473,373 km (0.118 R)
• M18: 9,667,314 km (0.12 R)
• M19: 10,058,662 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.4

Radius: 10

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.96 AU - 4.34 AU

Year: 4434 Days

Day: 8.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,788,621 km

• M1: 124,316 km (0.051 R)
• M2: 524,640 km (0.091 R)
• M3: 914,043 km (0.093 R)
• M4: 1,651,560 km (0.078 R)
• M5: 2,076,718 km (0.062 R)
• M6: 3,111,935 km (0.083 R)
• M7: 4,079,983 km (0.106 R)
• M8: 4,583,828 km (0.118 R)
• M9: 5,048,330 km (0.06 R)
• M10: 5,951,901 km (0.111 R)
• M11: 7,126,843 km (0.055 R)
• M12: 7,645,050 km (0.05 R)
• M13: 8,040,736 km (0.104 R)
• M14: 9,473,285 km (0.1 R)
• M15: 10,445,522 km (0.114 R)
• M16: 11,717,253 km (0.111 R)
• M17: 14,840,707 km (0.04 R)
• M18: 15,801,425 km (0.081 R)
• M19: 19,859,417 km (0.111 R)
• M20: 20,885,957 km (0.102 R)
• M21: 21,447,697 km (0.105 R)
• M22: 22,309,082 km (0.082 R)
• M23: 23,720,089 km (0.114 R)
• M24: 25,427,000 km (0.096 R)
• M25: 26,310,526 km (0.086 R)
• M26: 27,214,246 km (0.095 R)
• M27: 28,053,789 km (0.026 R)
• M28: 28,824,069 km (0.035 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.5

Radius: 9.3

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.05 AU - 4.85 AU

Year: 4991 Days

Day: 8.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,788,621 km

• M1: 133,591 km (0.028 R)
• M2: 429,196 km (0.061 R)
• M3: 805,136 km (0.088 R)
• M4: 1,120,039 km (0.09 R)
• M5: 1,667,418 km (0.043 R)
• M6: 2,417,651 km (0.04 R)
• M7: 2,731,059 km (0.101 R)
• M8: 3,839,579 km (0.098 R)
• M9: 7,479,146 km (0.089 R)
• M10: 7,772,657 km (0.097 R)
• M11: 8,112,094 km (0.11 R)
• M12: 9,613,010 km (0.117 R)
• M13: 10,497,283 km (0.052 R)
• M14: 11,580,072 km (0.099 R)
• M15: 11,874,481 km (0.081 R)
• M16: 12,427,095 km (0.112 R)
• M17: 13,638,090 km (0.115 R)
• M18: 14,696,495 km (0.097 R)
• M19: 17,102,029 km (0.095 R)
• M20: 17,484,251 km (0.055 R)
• M21: 20,606,359 km (0.09 R)
• M22: 22,526,148 km (0.059 R)
• M23: 26,041,848 km (0.102 R)
• M24: 29,268,225 km (0.044 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.1

Radius: 7.2

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.06 AU - 7.66 AU

Year: 10198 Days

Day: 21.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,788,621 km

• M1: 90,208 km (0.1 R)
• M2: 314,156 km (0.081 R)
• M3: 543,190 km (0.114 R)
• M4: 890,855 km (0.074 R)
• M5: 1,155,045 km (0.115 R)
• M6: 1,676,543 km (0.068 R)
• M7: 2,027,051 km (0.106 R)
• M8: 2,609,585 km (0.04 R)
• M9: 4,033,159 km (0.091 R)
• M10: 5,112,507 km (0.055 R)
• M11: 9,741,963 km (0.064 R)
• M12: 11,708,726 km (0.09 R)
• M13: 12,485,139 km (0.072 R)
• M14: 13,766,594 km (0.111 R)
• M15: 14,741,823 km (0.084 R)
• M16: 17,011,671 km (0.092 R)
• M17: 20,663,804 km (0.115 R)
• M18: 25,281,143 km (0.045 R)
• M19: 26,003,999 km (0.081 R)
• M20: 27,239,079 km (0.111 R)
• M21: 27,490,703 km (0.115 R)
• M22: 27,743,972 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481

Radius: 4.9

Gravity: 20.03 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 8.2 AU - 8.24 AU

Year: 14984 Days

Day: 22 Hours

Environment

Temp: -236 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,788,621 km

• M1: 63,280 km (0.065 R)
• M2: 238,010 km (0.115 R)
• M3: 607,068 km (0.099 R)
• M4: 1,721,124 km (0.099 R)
• M5: 2,838,171 km (0.11 R)
• M6: 4,043,930 km (0.101 R)
• M7: 4,808,076 km (0.102 R)
• M8: 5,520,760 km (0.063 R)
• M9: 6,738,337 km (0.071 R)
• M10: 7,453,265 km (0.049 R)
• M11: 9,743,160 km (0.112 R)
• M12: 11,448,127 km (0.107 R)
• M13: 12,772,367 km (0.099 R)
• M14: 15,084,402 km (0.076 R)
• M15: 16,597,585 km (0.057 R)
• M16: 17,894,598 km (0.091 R)
• M17: 19,093,775 km (0.12 R)
• M18: 23,289,995 km (0.112 R)
• M19: 24,620,818 km (0.078 R)
• M20: 27,018,423 km (0.096 R)
• M21: 32,272,001 km (0.106 R)
• M22: 37,138,719 km (0.073 R)
• M23: 38,427,504 km (0.075 R)
• M24: 40,147,132 km (0.066 R)
• M25: 40,686,432 km (0.051 R)
• M26: 41,917,473 km (0.082 R)
• M27: 42,751,780 km (0.104 R)
• M28: 44,597,369 km (0.106 R)
• M29: 46,643,569 km (0.099 R)
• M30: 47,539,361 km (0.085 R)
• M31: 51,079,595 km (0.101 R)
• M32: 52,833,181 km (0.06 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: 340 - 12,601 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit