🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.2

Radius: 8.2

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.61 AU - 0.65 AU

Year: 351 Days

Day: 13.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,281,154 km

• M1: 102,325 km (0.087 R)
• M2: 443,109 km (0.085 R)
• M3: 707,000 km (0.075 R)
• M4: 967,449 km (0.115 R)
• M5: 1,340,995 km (0.098 R)
• M6: 1,637,199 km (0.06 R)
• M7: 2,198,490 km (0.102 R)
• M8: 2,731,059 km (0.063 R)
• M9: 3,049,553 km (0.066 R)
• M10: 3,369,842 km (0.097 R)
• M11: 4,276,854 km (0.096 R)
• M12: 4,608,063 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.4

Radius: 9.4

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.55 AU - 0.81 AU

Year: 394 Days

Day: 8.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,281,154 km

• M1: 116,836 km (0.037 R)
• M2: 447,597 km (0.073 R)
• M3: 825,032 km (0.078 R)
• M4: 1,119,291 km (0.091 R)
• M5: 1,422,377 km (0.037 R)
• M6: 2,083,001 km (0.095 R)
• M7: 2,625,443 km (0.12 R)
• M8: 3,051,797 km (0.114 R)
• M9: 3,535,596 km (0.087 R)
• M10: 3,953,722 km (0.079 R)
• M11: 4,418,523 km (0.062 R)
• M12: 5,023,945 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.2

Radius: 13.6

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.89 AU - 1.05 AU

Year: 672 Days

Day: 6.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,281,154 km

• M1: 169,195 km (0.06 R)
• M2: 783,294 km (0.116 R)
• M3: 1,592,918 km (0.043 R)
• M4: 2,056,971 km (0.118 R)
• M5: 2,519,976 km (0.107 R)
• M6: 2,959,195 km (0.099 R)
• M7: 3,586,310 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207

Radius: 10.7

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.95 AU - 1.51 AU

Year: 959 Days

Day: 15 Hours

Environment

Temp: -174 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,281,154 km

• M1: 133,292 km (0.118 R)
• M2: 669,301 km (0.095 R)
• M3: 1,088,923 km (0.092 R)
• M4: 1,632,412 km (0.115 R)
• M5: 2,619,160 km (0.092 R)
• M6: 2,987,170 km (0.053 R)
• M7: 3,340,670 km (0.108 R)
• M8: 3,722,145 km (0.116 R)
• M9: 4,558,247 km (0.091 R)
• M10: 5,378,043 km (0.118 R)
• M11: 6,069,036 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.1

Radius: 9.7

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.94 AU - 3.2 AU

Year: 2896 Days

Day: 14.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,281,154 km

• M1: 120,576 km (0.074 R)
• M2: 734,974 km (0.112 R)
• M3: 1,152,502 km (0.119 R)
• M4: 1,526,646 km (0.119 R)
• M5: 1,981,873 km (0.108 R)
• M6: 2,992,855 km (0.116 R)
• M7: 3,535,746 km (0.074 R)
• M8: 3,851,547 km (0.106 R)
• M9: 4,539,996 km (0.096 R)
• M10: 4,842,184 km (0.091 R)
• M11: 5,644,328 km (0.055 R)
• M12: 6,828,395 km (0.089 R)
• M13: 7,164,242 km (0.074 R)
• M14: 7,935,419 km (0.104 R)
• M15: 8,868,162 km (0.071 R)
• M16: 10,342,150 km (0.09 R)
• M17: 12,283,032 km (0.073 R)
• M18: 13,058,099 km (0.079 R)
• M19: 14,011,337 km (0.096 R)
• M20: 16,163,302 km (0.094 R)
• M21: 16,596,837 km (0.056 R)
• M22: 17,487,243 km (0.05 R)
• M23: 17,829,224 km (0.087 R)
• M24: 20,538,441 km (0.027 R)
• M25: 22,289,484 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 654.9

Radius: 4.5

Gravity: 32.34 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.74 AU - 7.66 AU

Year: 12190 Days

Day: 20.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,281,154 km

• M1: 55,950 km (0.093 R)
• M2: 272,268 km (0.031 R)
• M3: 493,075 km (0.092 R)
• M4: 867,069 km (0.061 R)
• M5: 2,695,155 km (0.112 R)
• M6: 2,940,346 km (0.075 R)
• M7: 3,931,282 km (0.094 R)
• M8: 4,672,689 km (0.098 R)
• M9: 6,744,470 km (0.106 R)
• M10: 7,071,342 km (0.101 R)
• M11: 9,868,373 km (0.073 R)
• M12: 12,638,477 km (0.068 R)
• M13: 13,009,629 km (0.066 R)
• M14: 14,433,352 km (0.078 R)
• M15: 15,321,814 km (0.113 R)
• M16: 16,101,518 km (0.114 R)
• M17: 17,739,615 km (0.099 R)
• M18: 19,649,830 km (0.111 R)
• M19: 20,910,790 km (0.051 R)
• M20: 22,135,548 km (0.035 R)
• M21: 23,592,931 km (0.112 R)
• M22: 25,699,418 km (0.108 R)
• M23: 29,844,775 km (0.061 R)
• M24: 30,063,038 km (0.083 R)
• M25: 35,259,321 km (0.081 R)
• M26: 40,754,499 km (0.057 R)
• M27: 44,197,943 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.6

Radius: 5.5

Gravity: 27.82 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 8.16 AU - 10.66 AU

Year: 20291 Days

Day: 20.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 82,281,154 km

• M1: 68,366 km (0.093 R)
• M2: 293,960 km (0.108 R)
• M3: 501,452 km (0.039 R)
• M4: 677,978 km (0.112 R)
• M5: 1,017,415 km (0.111 R)
• M6: 1,399,787 km (0.103 R)
• M7: 2,052,782 km (0.103 R)
• M8: 2,517,583 km (0.08 R)
• M9: 3,503,433 km (0.089 R)
• M10: 4,796,706 km (0.119 R)
• M11: 5,135,097 km (0.116 R)
• M12: 6,742,675 km (0.105 R)
• M13: 7,460,595 km (0.109 R)
• M14: 8,991,131 km (0.115 R)
• M15: 9,217,473 km (0.101 R)
• M16: 11,167,631 km (0.114 R)
• M17: 12,728,385 km (0.059 R)
• M18: 13,303,739 km (0.097 R)
• M19: 16,867,459 km (0.096 R)
• M20: 17,039,197 km (0.08 R)
• M21: 19,567,401 km (0.076 R)
• M22: 21,721,162 km (0.102 R)
• M23: 22,960,132 km (0.114 R)
• M24: 25,918,729 km (0.046 R)
• M25: 27,076,018 km (0.077 R)
• M26: 27,906,436 km (0.102 R)
• M27: 36,874,828 km (0.113 R)
• M28: 43,436,789 km (0.1 R)
• M29: 48,103,495 km (0.092 R)
• M30: 52,360,302 km (0.108 R)
• M31: 52,725,919 km (0.065 R)
• M32: 56,285,301 km (0.116 R)
• M33: 65,135,960 km (0.091 R)
• M34: 67,269,076 km (0.114 R)
• M35: 75,101,721 km (0.083 R)
• M36: 80,081,386 km (0.096 R)
• M37: 80,323,734 km (0.116 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 18,991 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit