🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.1

Radius: 10.6

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.67 AU - 1.03 AU

Year: 551 Days

Day: 11.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,649,661 km

• M1: 131,945 km (0.106 R)
• M2: 463,753 km (0.1 R)
• M3: 1,206,806 km (0.103 R)
• M4: 2,064,899 km (0.116 R)
• M5: 2,578,020 km (0.12 R)
• M6: 3,081,417 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.8

Radius: 13

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.12 AU - 1.66 AU

Year: 1152 Days

Day: 12.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,649,661 km

• M1: 161,715 km (0.083 R)
• M2: 601,084 km (0.044 R)
• M3: 1,160,730 km (0.068 R)
• M4: 1,580,950 km (0.092 R)
• M5: 2,136,407 km (0.095 R)
• M6: 2,597,318 km (0.078 R)
• M7: 3,083,960 km (0.074 R)
• M8: 3,929,188 km (0.051 R)
• M9: 4,521,296 km (0.111 R)
• M10: 5,114,153 km (0.079 R)
• M11: 5,531,082 km (0.107 R)
• M12: 6,547,600 km (0.054 R)
• M13: 7,943,049 km (0.109 R)
• M14: 10,728,710 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.6

Radius: 12.6

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.61 AU - 1.95 AU

Year: 1669 Days

Day: 13.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,649,661 km

• M1: 160,519 km (0.072 R)
• M2: 565,330 km (0.116 R)
• M3: 1,972,897 km (0.082 R)
• M4: 2,617,364 km (0.117 R)
• M5: 4,074,597 km (0.1 R)
• M6: 5,578,355 km (0.051 R)
• M7: 6,917,705 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.5

Radius: 9.6

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.1 AU - 3.08 AU

Year: 2930 Days

Day: 15 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,649,661 km

• M1: 123,418 km (0.055 R)
• M2: 1,070,223 km (0.071 R)
• M3: 1,569,730 km (0.109 R)
• M4: 2,368,733 km (0.091 R)
• M5: 3,828,658 km (0.103 R)
• M6: 5,336,605 km (0.088 R)
• M7: 5,891,463 km (0.116 R)
• M8: 7,176,210 km (0.076 R)
• M9: 8,239,252 km (0.117 R)
• M10: 10,714,499 km (0.119 R)
• M11: 12,529,420 km (0.101 R)
• M12: 14,928,222 km (0.094 R)
• M13: 15,273,045 km (0.067 R)
• M14: 15,572,839 km (0.106 R)
• M15: 16,547,918 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.2

Radius: 10.7

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.14 AU - 5.62 AU

Year: 8772 Days

Day: 13 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,649,661 km

• M1: 133,142 km (0.093 R)
• M2: 729,439 km (0.087 R)
• M3: 1,071,719 km (0.108 R)
• M4: 1,537,866 km (0.085 R)
• M5: 1,990,100 km (0.068 R)
• M6: 2,530,298 km (0.068 R)
• M7: 3,100,117 km (0.089 R)
• M8: 3,606,505 km (0.106 R)
• M9: 4,008,774 km (0.062 R)
• M10: 6,346,989 km (0.094 R)
• M11: 8,924,111 km (0.092 R)
• M12: 9,807,337 km (0.074 R)
• M13: 11,108,839 km (0.055 R)
• M14: 12,692,781 km (0.053 R)
• M15: 14,798,820 km (0.113 R)
• M16: 16,712,326 km (0.089 R)
• M17: 18,637,202 km (0.07 R)
• M18: 19,009,252 km (0.089 R)
• M19: 19,538,529 km (0.05 R)
• M20: 23,092,975 km (0.08 R)
• M21: 26,118,891 km (0.07 R)
• M22: 30,620,440 km (0.068 R)
• M23: 31,663,287 km (0.097 R)
• M24: 32,193,462 km (0.115 R)
• M25: 33,819,740 km (0.1 R)
• M26: 38,423,016 km (0.076 R)
• M27: 39,269,441 km (0.116 R)
• M28: 43,167,662 km (0.077 R)
• M29: 43,558,113 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799.8

Radius: 5

Gravity: 31.99 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 8.12 AU - 9.12 AU

Year: 17790 Days

Day: 16.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 39,649,661 km

• M1: 62,233 km (0.045 R)
• M2: 445,502 km (0.111 R)
• M3: 636,988 km (0.12 R)
• M4: 872,305 km (0.091 R)
• M5: 1,177,934 km (0.116 R)
• M6: 1,535,772 km (0.101 R)
• M7: 1,943,725 km (0.106 R)
• M8: 2,771,749 km (0.106 R)
• M9: 3,129,139 km (0.117 R)
• M10: 3,516,747 km (0.096 R)
• M11: 4,029,568 km (0.03 R)
• M12: 4,522,194 km (0.067 R)
• M13: 4,694,980 km (0.108 R)
• M14: 5,867,228 km (0.034 R)
• M15: 6,675,207 km (0.034 R)
• M16: 7,798,687 km (0.094 R)
• M17: 8,934,134 km (0.093 R)
• M18: 9,826,336 km (0.07 R)
• M19: 12,583,574 km (0.082 R)
• M20: 14,138,345 km (0.054 R)
• M21: 14,508,749 km (0.042 R)
• M22: 15,658,708 km (0.1 R)
• M23: 19,838,024 km (0.028 R)
• M24: 20,302,226 km (0.118 R)
• M25: 23,860,711 km (0.025 R)
• M26: 25,676,979 km (0.065 R)
• M27: 26,674,796 km (0.08 R)
• M28: 27,929,174 km (0.103 R)
• M29: 31,298,717 km (0.042 R)
• M30: 43,634,557 km (0.071 R)
• M31: 44,577,174 km (0.097 R)
• M32: 46,016,455 km (0.112 R)
• M33: 47,321,546 km (0.09 R)
• M34: 48,316,522 km (0.118 R)
• M35: 48,987,468 km (0.113 R)
• M36: 49,325,260 km (0.119 R)
• M37: 61,168,625 km (0.078 R)
• M38: 71,037,895 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 84.4

Radius: 3

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 8.74 AU - 10.78 AU

Year: 21433 Days

Day: 15.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,649,661 km

• M1: 37,250 km (0.073 R)
• M2: 136,882 km (0.107 R)
• M3: 331,060 km (0.09 R)
• M4: 774,468 km (0.06 R)
• M5: 879,187 km (0.088 R)
• M6: 1,172,249 km (0.053 R)
• M7: 3,253,155 km (0.041 R)
• M8: 4,988,790 km (0.106 R)
• M9: 5,736,630 km (0.072 R)
• M10: 6,520,522 km (0.102 R)
• M11: 6,919,650 km (0.111 R)
• M12: 7,726,281 km (0.108 R)
• M13: 8,090,402 km (0.117 R)
• M14: 11,168,827 km (0.086 R)
• M15: 12,274,206 km (0.079 R)
• M16: 12,658,224 km (0.061 R)
• M17: 14,638,451 km (0.091 R)
• M18: 15,070,340 km (0.077 R)
• M19: 16,416,721 km (0.111 R)
• M20: 17,702,215 km (0.107 R)
• M21: 19,346,146 km (0.114 R)
• M22: 22,199,426 km (0.109 R)
• M23: 22,361,291 km (0.112 R)
• M24: 24,364,257 km (0.059 R)
• M25: 29,011,066 km (0.114 R)
• M26: 31,084,642 km (0.105 R)
• M27: 32,520,483 km (0.078 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: 519 - 12,447 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit