🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327

Radius: 9

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.91 AU - 1.01 AU

Year: 617 Days

Day: 8 Hours

Environment

Temp: -155 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,008,359 km

• M1: 112,198 km (0.114 R)
• M2: 397,930 km (0.055 R)
• M3: 750,383 km (0.059 R)
• M4: 1,219,821 km (0.107 R)
• M5: 1,567,187 km (0.025 R)
• M6: 2,630,679 km (0.09 R)
• M7: 3,049,702 km (0.113 R)
• M8: 3,610,844 km (0.036 R)
• M9: 4,449,938 km (0.095 R)
• M10: 4,756,913 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.9

Radius: 8.9

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.85 AU - 1.87 AU

Year: 1664 Days

Day: 13.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 117.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,008,359 km

• M1: 110,852 km (0.099 R)
• M2: 454,179 km (0.116 R)
• M3: 753,076 km (0.12 R)
• M4: 1,195,885 km (0.078 R)
• M5: 2,116,211 km (0.099 R)
• M6: 2,572,934 km (0.1 R)
• M7: 3,122,856 km (0.096 R)
• M8: 3,716,609 km (0.115 R)
• M9: 4,100,777 km (0.093 R)
• M10: 4,641,723 km (0.106 R)
• M11: 5,108,169 km (0.102 R)
• M12: 5,541,554 km (0.06 R)
• M13: 6,044,352 km (0.091 R)
• M14: 9,085,976 km (0.059 R)
• M15: 9,385,770 km (0.05 R)
• M16: 9,785,346 km (0.086 R)
• M17: 10,228,455 km (0.1 R)
• M18: 11,992,214 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.1

Radius: 10.4

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.61 AU - 3.11 AU

Year: 3173 Days

Day: 10.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,008,359 km

• M1: 129,402 km (0.038 R)
• M2: 1,262,456 km (0.099 R)
• M3: 1,739,374 km (0.118 R)
• M4: 2,266,707 km (0.098 R)
• M5: 3,445,837 km (0.077 R)
• M6: 4,044,678 km (0.056 R)
• M7: 4,823,185 km (0.084 R)
• M8: 6,842,307 km (0.039 R)
• M9: 7,972,968 km (0.099 R)
• M10: 8,321,681 km (0.08 R)
• M11: 9,311,719 km (0.071 R)
• M12: 10,665,431 km (0.066 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822

Radius: 7.2

Gravity: 15.86 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 5.91 AU - 7.95 AU

Year: 11968 Days

Day: 23.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,008,359 km

• M1: 90,058 km (0.114 R)
• M2: 1,402,630 km (0.044 R)
• M3: 1,847,384 km (0.084 R)
• M4: 2,611,231 km (0.114 R)
• M5: 3,064,512 km (0.105 R)
• M6: 3,516,298 km (0.093 R)
• M7: 4,775,762 km (0.052 R)
• M8: 6,311,235 km (0.07 R)
• M9: 6,875,369 km (0.102 R)
• M10: 7,298,431 km (0.093 R)
• M11: 8,243,441 km (0.048 R)
• M12: 9,116,345 km (0.037 R)
• M13: 10,818,170 km (0.074 R)
• M14: 11,743,882 km (0.092 R)
• M15: 12,104,263 km (0.119 R)
• M16: 17,100,682 km (0.116 R)
• M17: 18,354,462 km (0.077 R)
• M18: 18,840,057 km (0.088 R)
• M19: 19,334,178 km (0.091 R)
• M20: 22,390,463 km (0.075 R)
• M21: 25,453,629 km (0.059 R)
• M22: 25,754,470 km (0.096 R)
• M23: 31,466,865 km (0.03 R)
• M24: 34,310,421 km (0.118 R)
• M25: 38,100,184 km (0.043 R)
• M26: 39,691,157 km (0.085 R)
• M27: 46,648,206 km (0.078 R)
• M28: 49,863,364 km (0.08 R)
• M29: 50,491,974 km (0.109 R)
• M30: 52,086,987 km (0.079 R)
• M31: 52,734,147 km (0.065 R)
• M32: 55,376,943 km (0.054 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471

Radius: 3.7

Gravity: 34.4 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 10.83 AU - 10.97 AU

Year: 23607 Days

Day: 21.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,008,359 km

• M1: 62,981 km (0.03 R)
• M2: 274,512 km (0.061 R)
• M3: 520,601 km (0.063 R)
• M4: 636,689 km (0.114 R)
• M5: 760,256 km (0.073 R)
• M6: 922,869 km (0.05 R)
• M7: 1,245,701 km (0.096 R)
• M8: 1,656,647 km (0.113 R)
• M9: 2,069,986 km (0.063 R)
• M10: 2,236,339 km (0.11 R)
• M11: 3,232,511 km (0.111 R)
• M12: 5,481,715 km (0.086 R)
• M13: 5,599,897 km (0.072 R)
• M14: 6,696,449 km (0.103 R)
• M15: 7,153,920 km (0.071 R)
• M16: 8,130,644 km (0.073 R)
• M17: 8,597,988 km (0.071 R)
• M18: 9,931,503 km (0.077 R)
• M19: 10,285,153 km (0.079 R)
• M20: 12,517,901 km (0.062 R)
• M21: 13,140,228 km (0.071 R)
• M22: 13,782,901 km (0.092 R)
• M23: 14,297,069 km (0.088 R)
• M24: 14,446,218 km (0.054 R)
• M25: 15,363,552 km (0.082 R)
• M26: 15,916,166 km (0.088 R)
• M27: 17,482,905 km (0.07 R)
• M28: 20,067,657 km (0.118 R)
• M29: 26,201,469 km (0.118 R)
• M30: 26,649,813 km (0.029 R)
• M31: 28,730,869 km (0.118 R)
• M32: 29,087,960 km (0.098 R)
• M33: 30,793,525 km (0.064 R)
• M34: 44,476,494 km (0.102 R)
• M35: 49,750,118 km (0.109 R)
• M36: 58,608,855 km (0.062 R)
• M37: 62,706,790 km (0.071 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: 383 - 10,746 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit