🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.61 AU - 0.69 AU

Year: 344 Days

Day: 15.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.8

Radius: 12.8

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.07 AU - 1.29 AU

Year: 841 Days

Day: 10.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,961,169 km

• M1: 159,621 km (0.111 R)
• M2: 580,141 km (0.092 R)
• M3: 1,162,226 km (0.085 R)
• M4: 1,818,811 km (0.096 R)
• M5: 3,526,471 km (0.071 R)
• M6: 4,538,650 km (0.078 R)
• M7: 5,267,939 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.6

Radius: 10.4

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.7 AU - 2.36 AU

Year: 1897 Days

Day: 6.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,961,169 km

• M1: 129,402 km (0.062 R)
• M2: 831,016 km (0.087 R)
• M3: 1,261,708 km (0.101 R)
• M4: 2,629,781 km (0.046 R)
• M5: 3,720,948 km (0.115 R)
• M6: 4,132,043 km (0.075 R)
• M7: 5,248,940 km (0.113 R)
• M8: 5,718,977 km (0.073 R)
• M9: 6,371,972 km (0.075 R)
• M10: 7,130,134 km (0.101 R)
• M11: 8,007,974 km (0.056 R)
• M12: 8,728,437 km (0.119 R)
• M13: 10,553,382 km (0.046 R)
• M14: 11,496,896 km (0.092 R)
• M15: 13,769,886 km (0.107 R)
• M16: 15,840,320 km (0.068 R)
• M17: 16,376,479 km (0.088 R)
• M18: 16,773,811 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.4

Radius: 10.3

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.71 AU - 2.49 AU

Year: 1996 Days

Day: 11.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,961,169 km

• M1: 128,056 km (0.091 R)
• M2: 655,089 km (0.071 R)
• M3: 1,179,280 km (0.109 R)
• M4: 1,836,015 km (0.066 R)
• M5: 2,248,157 km (0.057 R)
• M6: 2,768,009 km (0.115 R)
• M7: 3,570,452 km (0.118 R)
• M8: 4,280,593 km (0.078 R)
• M9: 4,736,867 km (0.048 R)
• M10: 6,636,910 km (0.092 R)
• M11: 7,408,386 km (0.105 R)
• M12: 7,804,222 km (0.112 R)
• M13: 8,362,072 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.1

Radius: 12.8

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.99 AU - 3.09 AU

Year: 2656 Days

Day: 7.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,961,169 km

• M1: 162,014 km (0.06 R)
• M2: 979,417 km (0.117 R)
• M3: 1,622,389 km (0.116 R)
• M4: 2,163,484 km (0.058 R)
• M5: 2,730,460 km (0.058 R)
• M6: 3,431,326 km (0.095 R)
• M7: 4,228,234 km (0.12 R)
• M8: 4,818,099 km (0.1 R)
• M9: 5,487,250 km (0.047 R)
• M10: 6,136,355 km (0.084 R)
• M11: 7,968,929 km (0.105 R)
• M12: 8,563,431 km (0.03 R)
• M13: 12,597,337 km (0.088 R)
• M14: 14,010,140 km (0.091 R)
• M15: 14,535,976 km (0.035 R)
• M16: 16,560,484 km (0.111 R)
• M17: 17,640,431 km (0.062 R)
• M18: 18,085,335 km (0.072 R)
• M19: 19,172,014 km (0.116 R)
• M20: 20,362,514 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.1

Radius: 14.3

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.42 AU - 4.02 AU

Year: 3790 Days

Day: 5.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,961,169 km

• M1: 188,194 km (0.113 R)
• M2: 938,876 km (0.105 R)
• M3: 1,658,592 km (0.112 R)
• M4: 2,251,897 km (0.099 R)
• M5: 3,371,338 km (0.107 R)
• M6: 3,981,398 km (0.079 R)
• M7: 6,149,669 km (0.062 R)
• M8: 7,161,699 km (0.046 R)
• M9: 7,930,782 km (0.118 R)
• M10: 9,129,958 km (0.093 R)
• M11: 9,634,402 km (0.109 R)
• M12: 12,442,205 km (0.095 R)
• M13: 14,367,679 km (0.099 R)
• M14: 16,427,941 km (0.113 R)
• M15: 17,826,830 km (0.081 R)
• M16: 18,926,973 km (0.093 R)
• M17: 19,942,443 km (0.111 R)
• M18: 20,727,832 km (0.113 R)
• M19: 22,570,130 km (0.089 R)
• M20: 23,351,180 km (0.095 R)
• M21: 24,371,139 km (0.069 R)
• M22: 25,269,025 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.6

Radius: 11.6

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.85 AU - 4.23 AU

Year: 5327 Days

Day: 10.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,961,169 km

• M1: 146,008 km (0.114 R)
• M2: 652,845 km (0.103 R)
• M3: 1,026,541 km (0.079 R)
• M4: 2,260,873 km (0.102 R)
• M5: 2,701,438 km (0.096 R)
• M6: 3,868,152 km (0.086 R)
• M7: 4,453,977 km (0.082 R)
• M8: 4,938,076 km (0.119 R)
• M9: 7,907,295 km (0.082 R)
• M10: 8,931,741 km (0.11 R)
• M11: 10,171,608 km (0.11 R)
• M12: 12,438,614 km (0.117 R)
• M13: 13,611,162 km (0.075 R)
• M14: 15,023,815 km (0.098 R)
• M15: 15,882,058 km (0.07 R)
• M16: 16,293,602 km (0.054 R)
• M17: 16,712,326 km (0.11 R)
• M18: 19,644,893 km (0.094 R)
• M19: 21,949,149 km (0.059 R)
• M20: 22,681,580 km (0.109 R)
• M21: 23,128,878 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.7

Radius: 7.5

Gravity: 17.17 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.12 AU - 8.14 AU

Year: 11199 Days

Day: 23 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 57,961,169 km

• M1: 93,499 km (0.102 R)
• M2: 387,758 km (0.096 R)
• M3: 717,920 km (0.041 R)
• M4: 1,283,699 km (0.112 R)
• M5: 1,884,784 km (0.112 R)
• M6: 3,243,581 km (0.105 R)
• M7: 3,605,757 km (0.026 R)
• M8: 4,504,242 km (0.114 R)
• M9: 5,836,860 km (0.097 R)
• M10: 9,054,411 km (0.089 R)
• M11: 9,879,443 km (0.041 R)
• M12: 10,255,832 km (0.068 R)
• M13: 11,383,949 km (0.096 R)
• M14: 12,844,324 km (0.049 R)
• M15: 13,228,192 km (0.099 R)
• M16: 13,818,206 km (0.073 R)
• M17: 14,980,282 km (0.102 R)
• M18: 17,034,410 km (0.081 R)
• M19: 18,856,512 km (0.06 R)
• M20: 20,112,536 km (0.101 R)
• M21: 21,872,854 km (0.12 R)
• M22: 22,236,826 km (0.112 R)
• M23: 24,021,229 km (0.111 R)
• M24: 26,409,111 km (0.053 R)
• M25: 29,059,985 km (0.077 R)
• M26: 29,721,656 km (0.103 R)
• M27: 31,419,742 km (0.062 R)
• M28: 32,942,798 km (0.032 R)
• M29: 36,772,204 km (0.038 R)
• M30: 43,413,900 km (0.094 R)
• M31: 45,596,533 km (0.101 R)
• M32: 45,893,036 km (0.04 R)
• M33: 47,698,683 km (0.09 R)
• M34: 49,239,242 km (0.114 R)
• M35: 52,419,243 km (0.094 R)
• M36: 54,225,339 km (0.111 R)
• M37: 56,754,440 km (0.119 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 10,803 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit