🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.5

Radius: 14.9

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.69 AU - 0.71 AU

Year: 391 Days

Day: 14.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,457,442 km

• M1: 185,352 km (0.118 R)
• M2: 678,277 km (0.087 R)
• M3: 1,658,442 km (0.088 R)
• M4: 2,420,942 km (0.082 R)
• M5: 3,882,214 km (0.107 R)
• M6: 4,694,830 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.7

Radius: 10.4

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.91 AU - 1.01 AU

Year: 627 Days

Day: 6.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,457,442 km

• M1: 129,701 km (0.062 R)
• M2: 472,280 km (0.047 R)
• M3: 929,003 km (0.107 R)
• M4: 1,344,735 km (0.11 R)
• M5: 1,738,477 km (0.111 R)
• M6: 2,277,029 km (0.076 R)
• M7: 2,666,881 km (0.081 R)
• M8: 3,017,090 km (0.085 R)
• M9: 3,701,650 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632

Radius: 12.5

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.23 AU - 1.81 AU

Year: 1250 Days

Day: 7.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,457,442 km

• M1: 155,432 km (0.11 R)
• M2: 550,520 km (0.09 R)
• M3: 983,905 km (0.069 R)
• M4: 1,637,648 km (0.085 R)
• M5: 2,286,753 km (0.04 R)
• M6: 2,793,441 km (0.115 R)
• M7: 3,359,819 km (0.087 R)
• M8: 5,916,147 km (0.113 R)
• M9: 6,903,643 km (0.047 R)
• M10: 7,865,108 km (0.116 R)
• M11: 8,657,378 km (0.093 R)
• M12: 9,204,757 km (0.087 R)
• M13: 10,273,783 km (0.11 R)
• M14: 11,423,742 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.9

Radius: 8.8

Gravity: 11.08 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.42 AU - 1.78 AU

Year: 1350 Days

Day: 5.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,457,442 km

• M1: 109,506 km (0.103 R)
• M2: 563,834 km (0.078 R)
• M3: 921,672 km (0.088 R)
• M4: 1,227,151 km (0.103 R)
• M5: 1,554,621 km (0.118 R)
• M6: 1,846,187 km (0.101 R)
• M7: 2,139,848 km (0.101 R)
• M8: 2,726,870 km (0.108 R)
• M9: 3,022,176 km (0.056 R)
• M10: 3,433,271 km (0.081 R)
• M11: 4,128,901 km (0.029 R)
• M12: 4,577,994 km (0.047 R)
• M13: 5,205,856 km (0.07 R)
• M14: 6,808,648 km (0.071 R)
• M15: 7,681,402 km (0.066 R)
• M16: 8,897,633 km (0.112 R)
• M17: 9,299,004 km (0.113 R)
• M18: 10,473,497 km (0.036 R)
• M19: 12,879,030 km (0.119 R)
• M20: 13,513,475 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.5

Radius: 11.4

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.51 AU - 2.05 AU

Year: 1584 Days

Day: 8 Hours

Environment

Temp: -197 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,457,442 km

• M1: 142,417 km (0.08 R)
• M2: 544,686 km (0.12 R)
• M3: 1,015,770 km (0.089 R)
• M4: 1,552,228 km (0.092 R)
• M5: 1,912,609 km (0.098 R)
• M6: 2,272,840 km (0.047 R)
• M7: 2,794,339 km (0.076 R)
• M8: 3,379,865 km (0.077 R)
• M9: 3,798,440 km (0.075 R)
• M10: 4,182,158 km (0.1 R)
• M11: 5,028,284 km (0.09 R)
• M12: 5,389,114 km (0.069 R)
• M13: 6,648,129 km (0.091 R)
• M14: 7,009,857 km (0.055 R)
• M15: 7,512,955 km (0.099 R)
• M16: 8,395,433 km (0.101 R)
• M17: 8,847,667 km (0.115 R)
• M18: 9,495,874 km (0.091 R)
• M19: 10,592,277 km (0.097 R)
• M20: 11,666,689 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.2

Radius: 10.2

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.88 AU - 2.54 AU

Year: 2191 Days

Day: 11.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,457,442 km

• M1: 126,859 km (0.056 R)
• M2: 493,224 km (0.083 R)
• M3: 1,057,807 km (0.113 R)
• M4: 1,451,249 km (0.055 R)
• M5: 1,780,963 km (0.076 R)
• M6: 2,423,186 km (0.076 R)
• M7: 3,103,857 km (0.094 R)
• M8: 3,625,205 km (0.05 R)
• M9: 4,280,743 km (0.096 R)
• M10: 4,843,680 km (0.117 R)
• M11: 5,253,428 km (0.115 R)
• M12: 5,995,733 km (0.109 R)
• M13: 7,377,120 km (0.113 R)
• M14: 8,707,643 km (0.115 R)
• M15: 9,579,051 km (0.116 R)
• M16: 10,578,664 km (0.097 R)
• M17: 11,646,344 km (0.098 R)
• M18: 15,098,763 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.8

Radius: 4.2

Gravity: 41.26 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.29 AU - 6.45 AU

Year: 9484 Days

Day: 19.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,457,442 km

• M1: 52,210 km (0.081 R)
• M2: 385,963 km (0.068 R)
• M3: 834,158 km (0.085 R)
• M4: 1,011,730 km (0.092 R)
• M5: 1,498,372 km (0.101 R)
• M6: 1,825,244 km (0.092 R)
• M7: 2,216,143 km (0.103 R)
• M8: 2,743,625 km (0.076 R)
• M9: 3,447,483 km (0.034 R)
• M10: 4,292,711 km (0.096 R)
• M11: 4,642,770 km (0.111 R)
• M12: 5,947,413 km (0.049 R)
• M13: 6,531,593 km (0.097 R)
• M14: 7,519,687 km (0.065 R)
• M15: 7,898,618 km (0.087 R)
• M16: 8,649,001 km (0.1 R)
• M17: 9,064,883 km (0.103 R)
• M18: 9,886,624 km (0.037 R)
• M19: 10,756,984 km (0.089 R)
• M20: 12,648,500 km (0.096 R)
• M21: 14,621,097 km (0.107 R)
• M22: 17,802,147 km (0.067 R)
• M23: 18,173,449 km (0.115 R)
• M24: 19,474,651 km (0.102 R)
• M25: 21,000,998 km (0.096 R)
• M26: 22,865,735 km (0.113 R)
• M27: 23,659,502 km (0.115 R)
• M28: 23,928,179 km (0.097 R)
• M29: 26,534,025 km (0.11 R)
• M30: 30,259,161 km (0.075 R)
• M31: 31,215,241 km (0.073 R)
• M32: 32,521,081 km (0.057 R)
• M33: 39,223,515 km (0.069 R)
• M34: 39,474,091 km (0.104 R)
• M35: 43,228,250 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 828.1

Radius: 3.5

Gravity: 67.6 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.03 AU - 7.37 AU

Year: 12883 Days

Day: 22.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,457,442 km

• M1: 43,533 km (0.1 R)
• M2: 571,613 km (0.095 R)
• M3: 1,355,506 km (0.114 R)
• M4: 1,740,870 km (0.062 R)
• M5: 1,878,351 km (0.089 R)
• M6: 2,234,394 km (0.09 R)
• M7: 5,050,723 km (0.036 R)
• M8: 5,622,486 km (0.074 R)
• M9: 6,436,748 km (0.103 R)
• M10: 7,640,711 km (0.112 R)
• M11: 8,343,672 km (0.106 R)
• M12: 9,451,294 km (0.1 R)
• M13: 9,823,195 km (0.097 R)
• M14: 10,094,864 km (0.083 R)
• M15: 14,935,103 km (0.112 R)
• M16: 20,237,151 km (0.103 R)
• M17: 22,219,173 km (0.11 R)
• M18: 25,735,023 km (0.118 R)
• M19: 27,517,182 km (0.069 R)
• M20: 32,149,929 km (0.112 R)
• M21: 36,883,953 km (0.086 R)
• M22: 37,014,403 km (0.105 R)
• M23: 41,073,741 km (0.095 R)
• M24: 42,061,835 km (0.067 R)
• M25: 50,543,286 km (0.117 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 18,919 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit