🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.2

Radius: 14.8

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.27 AU - 1.33 AU

Year: 972 Days

Day: 5.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,317,828 km

• M1: 184,155 km (0.11 R)
• M2: 645,964 km (0.054 R)
• M3: 1,183,618 km (0.113 R)
• M4: 2,021,516 km (0.081 R)
• M5: 2,529,550 km (0.092 R)
• M6: 3,053,143 km (0.05 R)
• M7: 3,518,841 km (0.11 R)
• M8: 4,427,798 km (0.108 R)
• M9: 7,229,317 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.9

Radius: 12.3

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.15 AU - 1.65 AU

Year: 1087 Days

Day: 12.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,317,828 km

• M1: 154,385 km (0.093 R)
• M2: 595,250 km (0.113 R)
• M3: 1,073,365 km (0.047 R)
• M4: 1,773,333 km (0.105 R)
• M5: 2,559,470 km (0.044 R)
• M6: 3,068,103 km (0.055 R)
• M7: 3,550,556 km (0.113 R)
• M8: 4,486,291 km (0.112 R)
• M9: 4,915,636 km (0.082 R)
• M10: 5,475,282 km (0.082 R)
• M11: 6,417,749 km (0.114 R)
• M12: 7,211,964 km (0.035 R)
• M13: 8,455,122 km (0.1 R)
• M14: 9,500,063 km (0.118 R)
• M15: 10,467,363 km (0.051 R)
• M16: 11,776,195 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.5

Radius: 11

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.92 AU - 2.82 AU

Year: 2393 Days

Day: 10.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,317,828 km

• M1: 144,512 km (0.07 R)
• M2: 489,035 km (0.118 R)
• M3: 1,280,109 km (0.09 R)
• M4: 1,639,742 km (0.083 R)
• M5: 1,999,076 km (0.066 R)
• M6: 2,398,652 km (0.087 R)
• M7: 3,169,231 km (0.115 R)
• M8: 4,173,033 km (0.066 R)
• M9: 7,067,751 km (0.053 R)
• M10: 8,064,672 km (0.062 R)
• M11: 8,991,580 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.8

Radius: 11

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.15 AU - 3.31 AU

Year: 2959 Days

Day: 9.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,317,828 km

• M1: 136,732 km (0.102 R)
• M2: 637,437 km (0.085 R)
• M3: 1,116,748 km (0.114 R)
• M4: 1,679,535 km (0.048 R)
• M5: 2,073,875 km (0.027 R)
• M6: 2,469,562 km (0.073 R)
• M7: 3,303,869 km (0.083 R)
• M8: 3,889,096 km (0.118 R)
• M9: 4,919,526 km (0.07 R)
• M10: 5,928,414 km (0.037 R)
• M11: 7,195,059 km (0.118 R)
• M12: 7,875,580 km (0.106 R)
• M13: 8,527,677 km (0.117 R)
• M14: 11,502,431 km (0.113 R)
• M15: 12,207,186 km (0.031 R)
• M16: 12,940,365 km (0.092 R)
• M17: 15,580,020 km (0.092 R)
• M18: 16,387,998 km (0.104 R)
• M19: 16,998,058 km (0.114 R)
• M20: 18,381,689 km (0.106 R)
• M21: 20,026,368 km (0.067 R)
• M22: 21,241,102 km (0.113 R)
• M23: 22,913,607 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.4

Radius: 14.5

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.2 AU - 3.56 AU

Year: 3206 Days

Day: 13.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,317,828 km

• M1: 180,265 km (0.11 R)
• M2: 651,349 km (0.098 R)
• M3: 1,108,520 km (0.109 R)
• M4: 1,620,743 km (0.072 R)
• M5: 2,954,857 km (0.096 R)
• M6: 4,185,449 km (0.053 R)
• M7: 5,519,114 km (0.076 R)
• M8: 6,746,864 km (0.09 R)
• M9: 8,682,361 km (0.093 R)
• M10: 9,544,344 km (0.113 R)
• M11: 10,421,736 km (0.11 R)
• M12: 11,352,234 km (0.115 R)
• M13: 12,569,063 km (0.074 R)
• M14: 13,525,293 km (0.074 R)
• M15: 15,261,676 km (0.108 R)
• M16: 16,630,346 km (0.09 R)
• M17: 18,439,284 km (0.046 R)
• M18: 19,422,740 km (0.096 R)
• M19: 20,440,754 km (0.087 R)
• M20: 20,897,327 km (0.053 R)
• M21: 22,652,858 km (0.077 R)
• M22: 23,424,483 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.4

Radius: 8.2

Gravity: 13.12 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.57 AU - 3.49 AU

Year: 3460 Days

Day: 10.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,317,828 km

• M1: 102,175 km (0.096 R)
• M2: 676,182 km (0.112 R)
• M3: 1,030,430 km (0.071 R)
• M4: 2,194,900 km (0.069 R)
• M5: 2,743,176 km (0.055 R)
• M6: 3,478,150 km (0.083 R)
• M7: 3,743,537 km (0.053 R)
• M8: 7,230,813 km (0.062 R)
• M9: 8,846,021 km (0.102 R)
• M10: 9,342,985 km (0.09 R)
• M11: 10,859,908 km (0.053 R)
• M12: 11,429,726 km (0.028 R)
• M13: 13,657,837 km (0.117 R)
• M14: 15,007,210 km (0.062 R)
• M15: 17,908,660 km (0.08 R)
• M16: 20,562,826 km (0.084 R)
• M17: 21,163,910 km (0.109 R)
• M18: 21,845,478 km (0.07 R)
• M19: 23,831,838 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.3

Radius: 10.4

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.03 AU - 5.29 AU

Year: 6599 Days

Day: 8.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,317,828 km

• M1: 129,402 km (0.09 R)
• M2: 809,773 km (0.1 R)
• M3: 1,321,248 km (0.115 R)
• M4: 1,686,716 km (0.085 R)
• M5: 2,646,237 km (0.044 R)
• M6: 3,301,775 km (0.108 R)
• M7: 3,692,225 km (0.053 R)
• M8: 5,052,668 km (0.119 R)
• M9: 5,385,523 km (0.082 R)
• M10: 6,196,942 km (0.097 R)
• M11: 7,428,881 km (0.11 R)
• M12: 8,350,404 km (0.099 R)
• M13: 10,467,961 km (0.113 R)
• M14: 10,811,438 km (0.116 R)
• M15: 13,089,664 km (0.026 R)
• M16: 14,552,282 km (0.113 R)
• M17: 15,417,407 km (0.11 R)
• M18: 16,382,014 km (0.075 R)
• M19: 17,114,595 km (0.104 R)
• M20: 19,665,538 km (0.09 R)
• M21: 22,056,860 km (0.045 R)
• M22: 33,356,585 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.1

Radius: 14.9

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.09 AU - 6.79 AU

Year: 8324 Days

Day: 11.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,317,828 km

• M1: 187,297 km (0.089 R)
• M2: 781,050 km (0.073 R)
• M3: 1,377,198 km (0.071 R)
• M4: 1,905,727 km (0.098 R)
• M5: 3,133,327 km (0.115 R)
• M6: 4,069,062 km (0.026 R)
• M7: 4,726,694 km (0.114 R)
• M8: 5,862,292 km (0.12 R)
• M9: 6,704,229 km (0.116 R)
• M10: 8,016,950 km (0.034 R)
• M11: 10,657,502 km (0.071 R)
• M12: 11,348,794 km (0.118 R)
• M13: 11,860,867 km (0.099 R)
• M14: 13,661,128 km (0.047 R)
• M15: 16,016,397 km (0.12 R)
• M16: 19,273,142 km (0.113 R)
• M17: 21,210,285 km (0.098 R)
• M18: 23,192,607 km (0.104 R)
• M19: 24,270,908 km (0.115 R)
• M20: 32,467,974 km (0.103 R)
• M21: 33,817,197 km (0.072 R)
• M22: 34,880,240 km (0.11 R)
• M23: 36,961,445 km (0.069 R)
• M24: 38,089,563 km (0.032 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 17,342 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit