🌌 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: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.4

Radius: 10.9

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.64 AU - 0.66 AU

Year: 355 Days

Day: 12.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,003,254 km

• M1: 137,630 km (0.112 R)
• M2: 546,331 km (0.058 R)
• M3: 948,750 km (0.087 R)
• M4: 1,359,246 km (0.111 R)
• M5: 1,753,137 km (0.066 R)
• M6: 2,392,668 km (0.118 R)
• M7: 2,855,225 km (0.069 R)
• M8: 3,246,124 km (0.041 R)
• M9: 4,516,958 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.9

Radius: 14.7

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.7 AU - 0.76 AU

Year: 423 Days

Day: 5.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,003,254 km

• M1: 182,958 km (0.094 R)
• M2: 687,253 km (0.053 R)
• M3: 1,219,522 km (0.107 R)
• M4: 1,798,017 km (0.111 R)
• M5: 2,294,682 km (0.084 R)
• M6: 2,816,778 km (0.1 R)
• M7: 3,607,702 km (0.094 R)
• M8: 4,118,280 km (0.088 R)
• M9: 4,663,564 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.7

Radius: 13.7

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.85 AU - 1.11 AU

Year: 658 Days

Day: 8.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,003,254 km

• M1: 170,392 km (0.116 R)
• M2: 728,542 km (0.057 R)
• M3: 1,190,799 km (0.069 R)
• M4: 1,676,693 km (0.102 R)
• M5: 2,199,089 km (0.068 R)
• M6: 2,672,716 km (0.073 R)
• M7: 3,662,305 km (0.116 R)
• M8: 4,106,611 km (0.069 R)
• M9: 5,352,013 km (0.079 R)
• M10: 6,082,350 km (0.106 R)
• M11: 6,835,875 km (0.102 R)
• M12: 7,928,538 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.5

Radius: 8.4

Gravity: 10.88 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.98 AU - 1.12 AU

Year: 730 Days

Day: 14 Hours

Environment

Temp: -180 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,003,254 km

• M1: 111,002 km (0.106 R)
• M2: 388,506 km (0.077 R)
• M3: 718,369 km (0.087 R)
• M4: 1,060,350 km (0.113 R)
• M5: 1,333,216 km (0.109 R)
• M6: 1,686,866 km (0.087 R)
• M7: 2,054,128 km (0.086 R)
• M8: 2,366,638 km (0.114 R)
• M9: 2,722,681 km (0.106 R)
• M10: 3,025,467 km (0.091 R)
• M11: 3,830,603 km (0.098 R)
• M12: 4,469,386 km (0.112 R)
• M13: 4,737,166 km (0.1 R)
• M14: 5,122,979 km (0.11 R)
• M15: 5,510,886 km (0.105 R)
• M16: 6,018,023 km (0.078 R)
• M17: 6,450,062 km (0.104 R)
• M18: 7,468,823 km (0.111 R)
• M19: 7,895,327 km (0.057 R)
• M20: 8,565,675 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.8

Radius: 11.2

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.13 AU - 1.35 AU

Year: 937 Days

Day: 7.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,003,254 km

• M1: 139,425 km (0.057 R)
• M2: 508,633 km (0.108 R)
• M3: 895,493 km (0.047 R)
• M4: 1,277,267 km (0.089 R)
• M5: 1,689,708 km (0.069 R)
• M6: 2,386,834 km (0.114 R)
• M7: 2,802,567 km (0.1 R)
• M8: 3,537,690 km (0.105 R)
• M9: 4,095,990 km (0.111 R)
• M10: 5,733,638 km (0.052 R)
• M11: 6,812,986 km (0.107 R)
• M12: 7,478,398 km (0.066 R)

Asteroid Belt

Center: 1.76 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.5

Radius: 12.2

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.92 AU - 2.62 AU

Year: 2320 Days

Day: 8 Hours

Environment

Temp: -201 °C

Axial Tilt: 84.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,003,254 km

• M1: 151,692 km (0.106 R)
• M2: 628,760 km (0.051 R)
• M3: 1,238,371 km (0.095 R)
• M4: 1,649,616 km (0.059 R)
• M5: 2,073,875 km (0.091 R)
• M6: 2,870,933 km (0.084 R)
• M7: 3,348,898 km (0.057 R)
• M8: 4,239,753 km (0.083 R)
• M9: 4,641,872 km (0.063 R)
• M10: 5,154,095 km (0.04 R)
• M11: 6,267,852 km (0.058 R)
• M12: 6,894,966 km (0.103 R)
• M13: 7,956,363 km (0.081 R)
• M14: 8,661,866 km (0.091 R)
• M15: 9,537,313 km (0.045 R)
• M16: 10,609,032 km (0.108 R)
• M17: 12,173,377 km (0.075 R)
• M18: 13,271,426 km (0.065 R)
• M19: 13,803,246 km (0.109 R)
• M20: 14,306,792 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.5

Radius: 10.2

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.88 AU - 2.84 AU

Year: 2459 Days

Day: 10.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,003,254 km

• M1: 134,488 km (0.117 R)
• M2: 541,843 km (0.109 R)
• M3: 896,390 km (0.062 R)
• M4: 1,253,929 km (0.094 R)
• M5: 1,659,639 km (0.109 R)
• M6: 2,066,994 km (0.058 R)
• M7: 2,729,712 km (0.062 R)
• M8: 3,174,018 km (0.087 R)
• M9: 3,666,195 km (0.05 R)
• M10: 4,459,513 km (0.114 R)
• M11: 5,810,830 km (0.107 R)
• M12: 7,282,574 km (0.083 R)
• M13: 7,715,361 km (0.06 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.7

Radius: 11.8

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.79 AU - 3.99 AU

Year: 5204 Days

Day: 11.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 26,003,254 km

• M1: 146,756 km (0.116 R)
• M2: 675,285 km (0.091 R)
• M3: 1,189,004 km (0.082 R)
• M4: 1,636,900 km (0.071 R)
• M5: 2,244,716 km (0.094 R)
• M6: 2,754,546 km (0.065 R)
• M7: 3,799,487 km (0.109 R)
• M8: 4,553,909 km (0.049 R)
• M9: 8,210,380 km (0.037 R)
• M10: 8,968,392 km (0.055 R)
• M11: 9,513,377 km (0.053 R)
• M12: 10,169,813 km (0.117 R)
• M13: 10,762,819 km (0.034 R)
• M14: 11,378,713 km (0.093 R)
• M15: 12,423,355 km (0.086 R)
• M16: 13,585,132 km (0.103 R)
• M17: 14,025,100 km (0.032 R)
• M18: 14,645,482 km (0.05 R)
• M19: 16,184,994 km (0.094 R)
• M20: 17,569,821 km (0.076 R)
• M21: 19,792,995 km (0.074 R)
• M22: 25,118,380 km (0.074 R)
• M23: 26,372,160 km (0.117 R)
• M24: 28,019,831 km (0.112 R)
• M25: 28,643,953 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.2

Radius: 6.1

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.52 AU - 7.56 AU

Year: 11344 Days

Day: 24.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 119.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 26,003,254 km

• M1: 76,744 km (0.111 R)
• M2: 319,242 km (0.112 R)
• M3: 800,947 km (0.089 R)
• M4: 1,011,730 km (0.092 R)
• M5: 4,006,829 km (0.119 R)
• M6: 4,633,495 km (0.063 R)
• M7: 4,866,269 km (0.053 R)
• M8: 5,943,523 km (0.108 R)
• M9: 8,092,347 km (0.062 R)
• M10: 8,302,682 km (0.074 R)
• M11: 9,548,084 km (0.056 R)
• M12: 10,560,413 km (0.106 R)
• M13: 12,514,909 km (0.04 R)
• M14: 12,739,755 km (0.114 R)
• M15: 13,606,824 km (0.095 R)
• M16: 14,328,334 km (0.059 R)
• M17: 15,913,025 km (0.065 R)
• M18: 16,849,507 km (0.104 R)
• M19: 19,651,775 km (0.116 R)
• M20: 25,165,055 km (0.032 R)
• M21: 26,250,537 km (0.118 R)
• M22: 28,514,401 km (0.068 R)
• M23: 33,211,326 km (0.095 R)
• M24: 37,228,178 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 77.3

Radius: 6.4

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.24 AU - 8.26 AU

Year: 11895 Days

Day: 17.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,003,254 km

• M1: 80,334 km (0.063 R)
• M2: 456,124 km (0.071 R)
• M3: 793,617 km (0.088 R)
• M4: 1,036,863 km (0.11 R)
• M5: 1,249,142 km (0.059 R)
• M6: 1,738,776 km (0.114 R)
• M7: 2,243,070 km (0.107 R)
• M8: 2,489,458 km (0.08 R)
• M9: 3,092,338 km (0.06 R)
• M10: 4,632,148 km (0.097 R)
• M11: 5,906,124 km (0.107 R)
• M12: 6,228,059 km (0.107 R)
• M13: 6,530,845 km (0.087 R)
• M14: 6,748,659 km (0.026 R)
• M15: 9,595,207 km (0.113 R)
• M16: 9,999,421 km (0.092 R)
• M17: 10,247,454 km (0.092 R)
• M18: 11,414,617 km (0.071 R)
• M19: 12,007,024 km (0.117 R)
• M20: 15,171,917 km (0.115 R)
• M21: 18,602,495 km (0.106 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: 321 - 13,992 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit