🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.6

Radius: 12.8

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.59 AU - 0.65 AU

Year: 343 Days

Day: 9.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,136,455 km

• M1: 159,172 km (0.069 R)
• M2: 590,014 km (0.051 R)
• M3: 1,598,154 km (0.101 R)
• M4: 2,119,203 km (0.114 R)
• M5: 2,823,959 km (0.097 R)
• M6: 3,336,631 km (0.097 R)
• M7: 3,855,137 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.9

Radius: 10.5

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.6 AU - 0.8 AU

Year: 412 Days

Day: 13.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,136,455 km

• M1: 130,599 km (0.104 R)
• M2: 462,257 km (0.096 R)
• M3: 908,209 km (0.087 R)
• M4: 1,326,484 km (0.048 R)
• M5: 1,785,451 km (0.081 R)
• M6: 2,509,654 km (0.118 R)
• M7: 3,734,860 km (0.12 R)
• M8: 4,095,840 km (0.115 R)
• M9: 4,787,730 km (0.082 R)
• M10: 5,124,475 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.7

Radius: 10

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.89 AU - 1.31 AU

Year: 811 Days

Day: 10.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,136,455 km

• M1: 125,812 km (0.033 R)
• M2: 692,040 km (0.115 R)
• M3: 1,138,290 km (0.106 R)
• M4: 1,709,754 km (0.112 R)
• M5: 3,818,336 km (0.112 R)
• M6: 4,985,199 km (0.105 R)
• M7: 5,940,980 km (0.085 R)
• M8: 6,911,721 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.8

Radius: 11.4

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.01 AU - 2.73 AU

Year: 2565 Days

Day: 13.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,136,455 km

• M1: 141,819 km (0.106 R)
• M2: 604,974 km (0.084 R)
• M3: 1,017,864 km (0.06 R)
• M4: 1,581,249 km (0.109 R)
• M5: 2,590,287 km (0.036 R)
• M6: 3,166,837 km (0.042 R)
• M7: 3,541,580 km (0.067 R)
• M8: 3,986,185 km (0.086 R)
• M9: 5,130,609 km (0.087 R)
• M10: 6,482,375 km (0.097 R)
• M11: 7,090,789 km (0.108 R)
• M12: 7,579,825 km (0.088 R)
• M13: 8,025,926 km (0.084 R)
• M14: 8,388,701 km (0.09 R)
• M15: 10,525,856 km (0.1 R)
• M16: 12,124,010 km (0.113 R)
• M17: 14,114,709 km (0.04 R)
• M18: 14,889,925 km (0.04 R)
• M19: 15,288,154 km (0.055 R)
• M20: 16,684,651 km (0.104 R)
• M21: 17,114,296 km (0.073 R)
• M22: 17,551,271 km (0.092 R)
• M23: 18,220,871 km (0.074 R)
• M24: 18,849,481 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.5

Radius: 13.9

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.62 AU - 2.7 AU

Year: 3050 Days

Day: 9 Hours

Environment

Temp: -215 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,136,455 km

• M1: 173,683 km (0.102 R)
• M2: 687,701 km (0.101 R)
• M3: 2,506,064 km (0.03 R)
• M4: 3,852,594 km (0.045 R)
• M5: 5,571,473 km (0.097 R)
• M6: 6,348,186 km (0.096 R)
• M7: 6,964,379 km (0.072 R)
• M8: 8,725,894 km (0.1 R)
• M9: 9,426,461 km (0.118 R)
• M10: 10,065,842 km (0.064 R)
• M11: 11,901,408 km (0.084 R)
• M12: 12,459,109 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.5

Radius: 14.7

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.39 AU - 3.19 AU

Year: 3276 Days

Day: 10.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,136,455 km

• M1: 185,202 km (0.101 R)
• M2: 645,814 km (0.09 R)
• M3: 1,463,516 km (0.086 R)
• M4: 1,935,497 km (0.057 R)
• M5: 2,733,003 km (0.106 R)
• M6: 3,660,959 km (0.079 R)
• M7: 4,277,153 km (0.111 R)
• M8: 5,318,653 km (0.098 R)
• M9: 6,112,270 km (0.103 R)
• M10: 7,499,341 km (0.083 R)
• M11: 8,607,263 km (0.093 R)
• M12: 9,585,633 km (0.111 R)
• M13: 10,223,818 km (0.073 R)
• M14: 10,720,931 km (0.079 R)
• M15: 11,944,193 km (0.092 R)
• M16: 13,800,553 km (0.086 R)
• M17: 14,408,669 km (0.045 R)
• M18: 17,604,229 km (0.103 R)
• M19: 19,746,470 km (0.091 R)
• M20: 20,781,538 km (0.066 R)
• M21: 22,125,974 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.1

Radius: 9.3

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.42 AU - 3.86 AU

Year: 4882 Days

Day: 13.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,136,455 km

• M1: 115,639 km (0.118 R)
• M2: 563,984 km (0.115 R)
• M3: 1,106,426 km (0.095 R)
• M4: 1,478,027 km (0.096 R)
• M5: 2,350,482 km (0.114 R)
• M6: 2,641,599 km (0.114 R)
• M7: 3,090,094 km (0.068 R)
• M8: 3,514,503 km (0.078 R)
• M9: 5,120,436 km (0.101 R)
• M10: 8,041,484 km (0.111 R)
• M11: 10,003,310 km (0.084 R)
• M12: 11,095,225 km (0.05 R)
• M13: 12,613,344 km (0.082 R)
• M14: 17,331,811 km (0.07 R)
• M15: 18,105,980 km (0.119 R)
• M16: 19,427,378 km (0.097 R)

Asteroid Belt

Center: 3.99 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.1

Radius: 9.7

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.62 AU - 5.06 AU

Year: 6355 Days

Day: 9.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 175.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,136,455 km

• M1: 125,513 km (0.101 R)
• M2: 466,745 km (0.112 R)
• M3: 814,261 km (0.056 R)
• M4: 1,227,600 km (0.067 R)
• M5: 1,535,473 km (0.078 R)
• M6: 2,470,758 km (0.093 R)
• M7: 2,869,138 km (0.109 R)
• M8: 3,288,012 km (0.117 R)
• M9: 4,275,657 km (0.093 R)
• M10: 5,543,499 km (0.119 R)
• M11: 6,230,153 km (0.042 R)
• M12: 8,380,622 km (0.093 R)
• M13: 8,889,704 km (0.066 R)
• M14: 9,329,522 km (0.062 R)
• M15: 10,016,475 km (0.111 R)
• M16: 13,388,710 km (0.106 R)
• M17: 14,804,953 km (0.111 R)
• M18: 15,112,078 km (0.055 R)
• M19: 21,554,061 km (0.082 R)
• M20: 24,421,104 km (0.105 R)
• M21: 24,850,450 km (0.099 R)
• M22: 26,168,707 km (0.072 R)
• M23: 27,440,588 km (0.042 R)
• M24: 29,135,831 km (0.069 R)
• M25: 30,009,183 km (0.106 R)
• M26: 30,700,325 km (0.069 R)
• M27: 36,954,564 km (0.063 R)
• M28: 37,293,552 km (0.073 R)
• M29: 38,092,555 km (0.091 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 19,390 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit