🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.4

Radius: 11.4

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.47 AU - 0.63 AU

Year: 282 Days

Day: 6.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,855,414 km

• M1: 141,819 km (0.095 R)
• M2: 502,350 km (0.071 R)
• M3: 877,392 km (0.088 R)
• M4: 1,361,789 km (0.035 R)
• M5: 1,873,414 km (0.075 R)
• M6: 2,414,210 km (0.034 R)
• M7: 3,245,975 km (0.047 R)
• M8: 3,799,936 km (0.059 R)
• M9: 4,272,216 km (0.117 R)
• M10: 4,769,479 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356

Radius: 12.4

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.55 AU - 0.69 AU

Year: 337 Days

Day: 9.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,855,414 km

• M1: 154,235 km (0.115 R)
• M2: 563,386 km (0.076 R)
• M3: 1,211,144 km (0.075 R)
• M4: 1,689,409 km (0.114 R)
• M5: 2,333,128 km (0.066 R)
• M6: 2,925,985 km (0.118 R)
• M7: 3,458,703 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.2

Radius: 8.8

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.14 AU - 1.2 AU

Year: 874 Days

Day: 12.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,855,414 km

• M1: 109,506 km (0.045 R)
• M2: 491,579 km (0.1 R)
• M3: 783,294 km (0.107 R)
• M4: 1,392,906 km (0.054 R)
• M5: 1,682,976 km (0.097 R)
• M6: 1,966,165 km (0.07 R)
• M7: 2,460,885 km (0.105 R)
• M8: 3,090,094 km (0.12 R)
• M9: 3,390,935 km (0.09 R)
• M10: 3,748,175 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.5

Radius: 11.3

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.35 AU - 1.69 AU

Year: 1294 Days

Day: 6.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,855,414 km

• M1: 140,921 km (0.114 R)
• M2: 520,750 km (0.085 R)
• M3: 1,528,292 km (0.078 R)
• M4: 2,045,302 km (0.102 R)
• M5: 2,477,191 km (0.081 R)
• M6: 3,574,342 km (0.071 R)
• M7: 4,084,620 km (0.064 R)
• M8: 5,009,883 km (0.073 R)
• M9: 7,020,478 km (0.096 R)
• M10: 8,429,840 km (0.101 R)
• M11: 8,890,302 km (0.053 R)
• M12: 9,397,888 km (0.084 R)
• M13: 10,735,143 km (0.026 R)
• M14: 11,449,473 km (0.084 R)
• M15: 11,943,146 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.6

Radius: 11.6

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.81 AU - 2.37 AU

Year: 2086 Days

Day: 13.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,855,414 km

• M1: 144,512 km (0.072 R)
• M2: 611,855 km (0.05 R)
• M3: 1,148,463 km (0.078 R)
• M4: 1,738,926 km (0.087 R)
• M5: 2,927,930 km (0.115 R)
• M6: 3,357,126 km (0.055 R)
• M7: 3,790,660 km (0.082 R)
• M8: 4,180,363 km (0.055 R)
• M9: 4,575,301 km (0.065 R)
• M10: 7,054,886 km (0.107 R)
• M11: 7,739,595 km (0.106 R)
• M12: 9,915,646 km (0.048 R)
• M13: 11,242,878 km (0.114 R)
• M14: 12,011,363 km (0.12 R)
• M15: 12,387,452 km (0.082 R)
• M16: 14,621,995 km (0.096 R)
• M17: 15,884,452 km (0.071 R)
• M18: 16,491,071 km (0.106 R)
• M19: 17,270,925 km (0.106 R)
• M20: 18,569,883 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.4

Radius: 11

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.26 AU - 2.52 AU

Year: 2550 Days

Day: 9.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,855,414 km

• M1: 141,520 km (0.077 R)
• M2: 785,239 km (0.094 R)
• M3: 1,198,429 km (0.078 R)
• M4: 1,633,160 km (0.117 R)
• M5: 2,185,326 km (0.106 R)
• M6: 2,596,570 km (0.086 R)
• M7: 2,965,778 km (0.09 R)
• M8: 4,231,077 km (0.053 R)
• M9: 5,074,360 km (0.093 R)
• M10: 7,760,838 km (0.118 R)
• M11: 9,425,863 km (0.062 R)
• M12: 9,771,583 km (0.085 R)
• M13: 10,525,257 km (0.076 R)
• M14: 11,163,442 km (0.028 R)
• M15: 12,027,370 km (0.088 R)
• M16: 12,517,153 km (0.079 R)
• M17: 13,888,367 km (0.098 R)
• M18: 15,309,846 km (0.104 R)
• M19: 15,740,090 km (0.072 R)
• M20: 16,375,881 km (0.118 R)
• M21: 17,028,726 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.2

Radius: 5.7

Gravity: 26.08 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.45 AU - 9.08 AU

Year: 13503 Days

Day: 19.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,855,414 km

• M1: 74,949 km (0.061 R)
• M2: 262,245 km (0.094 R)
• M3: 854,952 km (0.086 R)
• M4: 1,099,694 km (0.111 R)
• M5: 1,376,600 km (0.071 R)
• M6: 2,832,636 km (0.085 R)
• M7: 3,355,331 km (0.118 R)
• M8: 3,598,278 km (0.112 R)
• M9: 4,461,756 km (0.073 R)
• M10: 5,097,547 km (0.099 R)
• M11: 6,884,943 km (0.116 R)
• M12: 7,966,087 km (0.062 R)
• M13: 8,848,116 km (0.093 R)
• M14: 10,346,638 km (0.059 R)
• M15: 13,031,171 km (0.107 R)
• M16: 13,429,999 km (0.118 R)
• M17: 14,043,201 km (0.081 R)
• M18: 15,325,703 km (0.109 R)
• M19: 17,233,675 km (0.12 R)
• M20: 20,696,117 km (0.064 R)
• M21: 24,294,993 km (0.111 R)
• M22: 25,927,555 km (0.115 R)
• M23: 28,622,561 km (0.109 R)
• M24: 28,845,910 km (0.042 R)
• M25: 31,261,766 km (0.097 R)
• M26: 34,942,173 km (0.112 R)
• M27: 43,442,922 km (0.098 R)
• M28: 45,536,395 km (0.097 R)
• M29: 47,383,480 km (0.059 R)
• M30: 54,927,102 km (0.083 R)
• M31: 57,905,895 km (0.112 R)
• M32: 58,622,170 km (0.11 R)
• M33: 62,292,105 km (0.092 R)
• M34: 62,479,401 km (0.083 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 14,757 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit