🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.3

Radius: 10.7

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.57 AU - 0.65 AU

Year: 318 Days

Day: 14.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,881,140 km

• M1: 133,142 km (0.026 R)
• M2: 484,548 km (0.09 R)
• M3: 925,412 km (0.111 R)
• M4: 1,289,683 km (0.106 R)
• M5: 1,867,430 km (0.115 R)
• M6: 2,217,340 km (0.063 R)
• M7: 2,839,816 km (0.11 R)
• M8: 3,306,711 km (0.111 R)
• M9: 3,755,206 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.9

Radius: 14.3

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.09 AU - 1.67 AU

Year: 1081 Days

Day: 8.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,881,140 km

• M1: 179,667 km (0.081 R)
• M2: 801,545 km (0.064 R)
• M3: 1,323,492 km (0.104 R)
• M4: 2,407,479 km (0.082 R)
• M5: 2,954,109 km (0.109 R)
• M6: 3,541,580 km (0.082 R)
• M7: 4,971,586 km (0.119 R)
• M8: 5,557,262 km (0.099 R)
• M9: 6,586,046 km (0.11 R)
• M10: 7,248,466 km (0.108 R)
• M11: 7,834,141 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.5

Radius: 14.8

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.45 AU - 3.51 AU

Year: 3430 Days

Day: 6.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,881,140 km

• M1: 184,305 km (0.083 R)
• M2: 700,567 km (0.099 R)
• M3: 1,162,375 km (0.111 R)
• M4: 1,831,228 km (0.097 R)
• M5: 2,518,181 km (0.099 R)
• M6: 3,236,400 km (0.045 R)
• M7: 4,348,810 km (0.053 R)
• M8: 6,114,065 km (0.059 R)
• M9: 6,633,170 km (0.036 R)
• M10: 7,515,647 km (0.074 R)
• M11: 9,012,225 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.9

Radius: 9.4

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.35 AU - 3.89 AU

Year: 3675 Days

Day: 5.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,881,140 km

• M1: 116,836 km (0.092 R)
• M2: 499,208 km (0.094 R)
• M3: 894,446 km (0.103 R)
• M4: 2,204,175 km (0.12 R)
• M5: 3,190,025 km (0.103 R)
• M6: 4,167,946 km (0.067 R)
• M7: 4,589,214 km (0.108 R)
• M8: 6,681,789 km (0.086 R)
• M9: 8,270,369 km (0.062 R)
• M10: 10,988,712 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.4

Radius: 10.9

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.15 AU - 3.81 AU

Year: 4329 Days

Day: 14.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,881,140 km

• M1: 135,685 km (0.048 R)
• M2: 495,618 km (0.117 R)
• M3: 1,070,822 km (0.111 R)
• M4: 1,606,382 km (0.058 R)
• M5: 2,315,177 km (0.071 R)
• M6: 3,083,811 km (0.027 R)
• M7: 3,775,701 km (0.057 R)
• M8: 4,221,802 km (0.095 R)
• M9: 5,075,557 km (0.106 R)
• M10: 5,442,819 km (0.108 R)
• M11: 6,286,402 km (0.118 R)
• M12: 7,398,662 km (0.08 R)
• M13: 8,985,447 km (0.08 R)
• M14: 9,709,500 km (0.064 R)
• M15: 10,867,986 km (0.039 R)
• M16: 12,864,968 km (0.091 R)
• M17: 14,503,065 km (0.114 R)
• M18: 17,572,364 km (0.115 R)
• M19: 20,801,135 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 473.4

Radius: 5.9

Gravity: 13.6 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.8 AU - 6.16 AU

Year: 9752 Days

Day: 21.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,881,140 km

• M1: 75,846 km (0.089 R)
• M2: 277,803 km (0.109 R)
• M3: 1,242,111 km (0.091 R)
• M4: 2,267,156 km (0.114 R)
• M5: 2,579,217 km (0.091 R)
• M6: 3,068,252 km (0.056 R)
• M7: 5,922,729 km (0.112 R)
• M8: 7,777,593 km (0.095 R)
• M9: 7,982,094 km (0.088 R)
• M10: 11,710,222 km (0.112 R)
• M11: 12,924,508 km (0.101 R)
• M12: 20,897,327 km (0.043 R)
• M13: 23,348,039 km (0.119 R)
• M14: 23,603,103 km (0.03 R)
• M15: 37,109,547 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864.6

Radius: 4.7

Gravity: 39.14 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.07 AU - 8.05 AU

Year: 11204 Days

Day: 24.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,881,140 km

• M1: 58,493 km (0.117 R)
• M2: 235,766 km (0.065 R)
• M3: 465,997 km (0.072 R)
• M4: 737,667 km (0.116 R)
• M5: 941,120 km (0.088 R)
• M6: 2,817,825 km (0.07 R)
• M7: 3,145,744 km (0.075 R)
• M8: 4,717,120 km (0.067 R)
• M9: 4,911,597 km (0.072 R)
• M10: 5,316,708 km (0.094 R)
• M11: 5,854,064 km (0.06 R)
• M12: 6,348,485 km (0.119 R)
• M13: 6,545,804 km (0.038 R)
• M14: 8,044,177 km (0.057 R)
• M15: 11,006,514 km (0.075 R)
• M16: 11,465,031 km (0.11 R)
• M17: 12,358,878 km (0.041 R)
• M18: 13,170,297 km (0.086 R)
• M19: 13,621,784 km (0.111 R)
• M20: 16,474,765 km (0.091 R)
• M21: 17,150,349 km (0.114 R)
• M22: 19,618,863 km (0.101 R)
• M23: 26,345,980 km (0.109 R)
• M24: 27,061,956 km (0.037 R)
• M25: 32,440,897 km (0.096 R)
• M26: 34,826,833 km (0.1 R)
• M27: 37,071,998 km (0.11 R)
• M28: 37,712,277 km (0.116 R)
• M29: 42,542,194 km (0.079 R)
• M30: 45,104,805 km (0.095 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 10,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit