🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.5

Radius: 10.8

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.6 AU - 0.72 AU

Year: 358 Days

Day: 13.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,848,778 km

• M1: 134,488 km (0.085 R)
• M2: 492,327 km (0.089 R)
• M3: 885,021 km (0.11 R)
• M4: 1,342,641 km (0.107 R)
• M5: 1,703,022 km (0.118 R)
• M6: 2,136,856 km (0.072 R)
• M7: 2,729,862 km (0.105 R)
• M8: 3,091,889 km (0.098 R)
• M9: 3,463,490 km (0.117 R)
• M10: 3,840,477 km (0.096 R)
• M11: 4,377,084 km (0.076 R)
• M12: 4,847,569 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.8

Radius: 9.8

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.62 AU - 0.82 AU

Year: 407 Days

Day: 13.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,848,778 km

• M1: 121,922 km (0.071 R)
• M2: 429,346 km (0.062 R)
• M3: 794,514 km (0.077 R)
• M4: 1,145,920 km (0.089 R)
• M5: 1,461,422 km (0.114 R)
• M6: 1,843,495 km (0.089 R)
• M7: 2,203,726 km (0.034 R)
• M8: 2,670,322 km (0.074 R)
• M9: 3,002,728 km (0.069 R)
• M10: 3,374,629 km (0.062 R)
• M11: 3,764,630 km (0.033 R)
• M12: 4,350,007 km (0.06 R)
• M13: 4,798,053 km (0.082 R)
• M14: 5,568,930 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.4

Radius: 8.2

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.9 AU - 1.14 AU

Year: 687 Days

Day: 7.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,848,778 km

• M1: 102,026 km (0.083 R)
• M2: 715,227 km (0.056 R)
• M3: 1,051,823 km (0.078 R)
• M4: 1,459,477 km (0.057 R)
• M5: 1,944,772 km (0.052 R)
• M6: 2,257,581 km (0.084 R)
• M7: 2,514,142 km (0.099 R)
• M8: 3,539,635 km (0.117 R)
• M9: 4,146,554 km (0.082 R)
• M10: 4,683,461 km (0.114 R)
• M11: 4,961,114 km (0.116 R)
• M12: 5,398,090 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311

Radius: 8.8

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.09 AU - 2.95 AU

Year: 2668 Days

Day: 7.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,848,778 km

• M1: 109,506 km (0.111 R)
• M2: 464,053 km (0.091 R)
• M3: 822,489 km (0.112 R)
• M4: 1,192,744 km (0.076 R)
• M5: 1,537,118 km (0.1 R)
• M6: 1,838,707 km (0.114 R)
• M7: 2,143,737 km (0.05 R)
• M8: 2,536,133 km (0.089 R)
• M9: 3,175,215 km (0.056 R)
• M10: 3,482,638 km (0.096 R)
• M11: 4,045,725 km (0.104 R)
• M12: 4,329,961 km (0.068 R)
• M13: 4,833,358 km (0.042 R)
• M14: 6,030,141 km (0.068 R)
• M15: 7,110,387 km (0.032 R)
• M16: 7,754,106 km (0.08 R)
• M17: 8,807,425 km (0.046 R)
• M18: 12,380,121 km (0.1 R)
• M19: 13,519,608 km (0.076 R)
• M20: 14,028,690 km (0.085 R)
• M21: 14,462,823 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759

Radius: 8.7

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.76 AU - 6.06 AU

Year: 7255 Days

Day: 5.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,848,778 km

• M1: 108,159 km (0.089 R)
• M2: 505,192 km (0.106 R)
• M3: 843,134 km (0.058 R)
• M4: 1,241,363 km (0.075 R)
• M5: 1,971,700 km (0.05 R)
• M6: 2,800,921 km (0.09 R)
• M7: 3,305,963 km (0.109 R)
• M8: 4,497,660 km (0.11 R)
• M9: 6,020,716 km (0.057 R)
• M10: 7,504,876 km (0.049 R)
• M11: 8,735,319 km (0.092 R)
• M12: 10,000,318 km (0.101 R)
• M13: 10,925,581 km (0.064 R)
• M14: 12,833,553 km (0.096 R)
• M15: 14,646,230 km (0.085 R)
• M16: 16,227,330 km (0.062 R)
• M17: 17,710,294 km (0.035 R)
• M18: 17,989,294 km (0.086 R)
• M19: 19,875,124 km (0.046 R)
• M20: 20,943,403 km (0.111 R)
• M21: 21,729,540 km (0.117 R)
• M22: 23,696,452 km (0.103 R)
• M23: 24,120,712 km (0.077 R)
• M24: 25,423,859 km (0.095 R)
• M25: 26,408,961 km (0.111 R)
• M26: 34,568,627 km (0.073 R)
• M27: 35,224,315 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 77.4

Radius: 5

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.42 AU - 8.58 AU

Year: 12350 Days

Day: 21.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,848,778 km

• M1: 62,382 km (0.045 R)
• M2: 225,294 km (0.104 R)
• M3: 508,633 km (0.048 R)
• M4: 738,415 km (0.055 R)
• M5: 1,174,044 km (0.113 R)
• M6: 1,356,254 km (0.077 R)
• M7: 1,702,274 km (0.073 R)
• M8: 2,252,794 km (0.079 R)
• M9: 2,703,533 km (0.118 R)
• M10: 3,489,520 km (0.098 R)
• M11: 4,685,854 km (0.061 R)
• M12: 5,955,491 km (0.116 R)
• M13: 7,747,973 km (0.115 R)
• M14: 8,467,090 km (0.113 R)
• M15: 10,036,671 km (0.109 R)
• M16: 10,457,490 km (0.108 R)
• M17: 15,389,133 km (0.077 R)
• M18: 16,871,498 km (0.099 R)
• M19: 17,526,288 km (0.065 R)
• M20: 18,886,582 km (0.108 R)
• M21: 24,275,695 km (0.108 R)
• M22: 26,595,061 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.7

Radius: 7.6

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.44 AU - 9.96 AU

Year: 17112 Days

Day: 21.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,848,778 km

• M1: 95,443 km (0.068 R)
• M2: 478,863 km (0.087 R)
• M3: 1,631,814 km (0.083 R)
• M4: 1,899,893 km (0.089 R)
• M5: 2,197,593 km (0.11 R)
• M6: 2,507,111 km (0.085 R)
• M7: 4,630,204 km (0.033 R)
• M8: 7,409,583 km (0.113 R)
• M9: 12,563,229 km (0.12 R)
• M10: 18,421,482 km (0.077 R)
• M11: 19,471,360 km (0.079 R)
• M12: 19,933,318 km (0.099 R)
• M13: 24,159,607 km (0.066 R)
• M14: 27,191,208 km (0.029 R)
• M15: 35,118,699 km (0.057 R)
• M16: 37,790,816 km (0.086 R)
• M17: 38,509,633 km (0.106 R)
• M18: 43,929,864 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.6

Radius: 7.8

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 10.23 AU - 11.43 AU

Year: 23767 Days

Day: 22.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,848,778 km

• M1: 100,231 km (0.116 R)
• M2: 496,067 km (0.095 R)
• M3: 800,199 km (0.116 R)
• M4: 1,137,542 km (0.11 R)
• M5: 1,717,683 km (0.084 R)
• M6: 3,262,430 km (0.109 R)
• M7: 3,918,267 km (0.034 R)
• M8: 4,391,595 km (0.118 R)
• M9: 6,630,626 km (0.102 R)
• M10: 7,349,295 km (0.12 R)
• M11: 9,101,086 km (0.098 R)
• M12: 10,511,494 km (0.096 R)
• M13: 12,127,002 km (0.107 R)
• M14: 14,925,529 km (0.082 R)
• M15: 17,620,385 km (0.038 R)
• M16: 24,678,263 km (0.101 R)
• M17: 25,850,213 km (0.102 R)
• M18: 29,826,225 km (0.108 R)
• M19: 31,278,072 km (0.09 R)
• M20: 36,594,332 km (0.118 R)
• M21: 37,976,616 km (0.094 R)
• M22: 38,680,624 km (0.097 R)
• M23: 39,250,143 km (0.086 R)
• M24: 58,487,980 km (0.097 R)
• M25: 63,282,293 km (0.093 R)
• M26: 66,484,435 km (0.043 R)
• M27: 67,506,787 km (0.065 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 18,037 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit