🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.87 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.4

Radius: 11.6

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.68 AU - 1.8 AU

Year: 1584 Days

Day: 11.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 136.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,326,242 km

• M1: 146,905 km (0.068 R)
• M2: 527,781 km (0.094 R)
• M3: 891,753 km (0.107 R)
• M4: 1,383,332 km (0.101 R)
• M5: 1,788,443 km (0.051 R)
• M6: 2,574,131 km (0.051 R)
• M7: 3,136,170 km (0.117 R)
• M8: 5,524,949 km (0.111 R)
• M9: 6,365,689 km (0.087 R)
• M10: 7,156,313 km (0.086 R)
• M11: 9,792,228 km (0.116 R)
• M12: 10,191,355 km (0.117 R)
• M13: 11,418,207 km (0.086 R)
• M14: 11,935,666 km (0.055 R)
• M15: 12,507,280 km (0.036 R)
• M16: 13,787,987 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.7

Radius: 12.3

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.7 AU - 1.86 AU

Year: 1639 Days

Day: 8.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,326,242 km

• M1: 153,039 km (0.056 R)
• M2: 724,951 km (0.072 R)
• M3: 1,257,071 km (0.073 R)
• M4: 1,861,147 km (0.1 R)
• M5: 2,577,422 km (0.119 R)
• M6: 3,000,484 km (0.117 R)
• M7: 3,642,708 km (0.027 R)
• M8: 4,267,130 km (0.042 R)
• M9: 4,824,831 km (0.075 R)
• M10: 5,774,478 km (0.063 R)
• M11: 6,270,993 km (0.057 R)
• M12: 7,018,833 km (0.101 R)
• M13: 7,664,497 km (0.118 R)
• M14: 8,153,682 km (0.105 R)
• M15: 8,548,471 km (0.119 R)
• M16: 9,104,676 km (0.077 R)
• M17: 10,420,389 km (0.095 R)
• M18: 10,886,087 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.5

Radius: 13.1

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.75 AU - 2.17 AU

Year: 1894 Days

Day: 14 Hours

Environment

Temp: -197 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,326,242 km

• M1: 164,408 km (0.031 R)
• M2: 642,523 km (0.116 R)
• M3: 1,275,920 km (0.096 R)
• M4: 2,265,361 km (0.082 R)
• M5: 2,843,556 km (0.095 R)
• M6: 3,489,370 km (0.094 R)
• M7: 4,454,426 km (0.102 R)
• M8: 4,981,160 km (0.069 R)
• M9: 5,610,668 km (0.107 R)
• M10: 6,292,685 km (0.073 R)
• M11: 7,669,584 km (0.099 R)
• M12: 8,294,903 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.9

Radius: 9.5

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.28 AU - 5.54 AU

Year: 8686 Days

Day: 9.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,326,242 km

• M1: 119,379 km (0.067 R)
• M2: 510,278 km (0.117 R)
• M3: 1,589,926 km (0.104 R)
• M4: 2,398,203 km (0.093 R)
• M5: 3,458,703 km (0.041 R)
• M6: 4,522,643 km (0.12 R)
• M7: 5,693,695 km (0.054 R)
• M8: 6,944,034 km (0.086 R)
• M9: 9,931,354 km (0.104 R)
• M10: 10,856,766 km (0.106 R)
• M11: 11,574,686 km (0.08 R)
• M12: 13,566,283 km (0.069 R)
• M13: 22,658,393 km (0.081 R)
• M14: 26,566,637 km (0.11 R)
• M15: 30,099,391 km (0.113 R)
• M16: 31,105,436 km (0.087 R)
• M17: 32,972,418 km (0.114 R)
• M18: 34,803,197 km (0.12 R)
• M19: 36,248,312 km (0.077 R)
• M20: 37,617,282 km (0.093 R)
• M21: 38,784,146 km (0.059 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.6

Radius: 7.9

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.71 AU - 6.49 AU

Year: 10399 Days

Day: 15.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 142.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,326,242 km

• M1: 98,435 km (0.07 R)
• M2: 580,290 km (0.03 R)
• M3: 907,610 km (0.084 R)
• M4: 1,298,061 km (0.076 R)
• M5: 1,696,589 km (0.111 R)
• M6: 1,964,070 km (0.079 R)
• M7: 2,681,392 km (0.114 R)
• M8: 3,538,738 km (0.105 R)
• M9: 4,293,459 km (0.114 R)
• M10: 5,090,516 km (0.103 R)
• M11: 6,050,336 km (0.077 R)
• M12: 7,239,789 km (0.111 R)
• M13: 16,443,798 km (0.093 R)
• M14: 19,920,602 km (0.049 R)
• M15: 22,849,878 km (0.089 R)
• M16: 27,341,404 km (0.089 R)
• M17: 35,295,673 km (0.106 R)
• M18: 40,399,354 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822.3

Radius: 5.1

Gravity: 31.61 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.51 AU - 7.99 AU

Year: 12105 Days

Day: 23.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,326,242 km

• M1: 63,579 km (0.043 R)
• M2: 383,868 km (0.049 R)
• M3: 785,090 km (0.034 R)
• M4: 1,305,241 km (0.101 R)
• M5: 3,160,405 km (0.117 R)
• M6: 3,818,336 km (0.107 R)
• M7: 4,345,519 km (0.075 R)
• M8: 5,054,314 km (0.096 R)
• M9: 5,543,798 km (0.12 R)
• M10: 5,987,954 km (0.097 R)
• M11: 6,297,023 km (0.109 R)
• M12: 9,215,229 km (0.084 R)
• M13: 11,873,733 km (0.087 R)
• M14: 12,299,787 km (0.112 R)
• M15: 13,118,088 km (0.057 R)
• M16: 13,507,790 km (0.039 R)
• M17: 14,039,311 km (0.118 R)
• M18: 15,286,060 km (0.088 R)
• M19: 18,722,323 km (0.088 R)
• M20: 23,675,060 km (0.058 R)
• M21: 24,642,659 km (0.113 R)
• M22: 24,937,965 km (0.045 R)
• M23: 28,344,309 km (0.083 R)
• M24: 30,666,217 km (0.078 R)
• M25: 36,062,212 km (0.108 R)
• M26: 36,826,358 km (0.055 R)
• M27: 38,518,909 km (0.081 R)
• M28: 39,049,831 km (0.111 R)
• M29: 40,672,220 km (0.09 R)
• M30: 49,774,952 km (0.046 R)
• M31: 52,977,692 km (0.08 R)
• M32: 54,796,503 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464.3

Radius: 3.3

Gravity: 42.64 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.2 AU - 9.7 AU

Year: 15473 Days

Day: 25 Hours

Environment

Temp: -236 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,326,242 km

• M1: 41,139 km (0.081 R)
• M2: 332,406 km (0.066 R)
• M3: 1,263,354 km (0.111 R)
• M4: 1,750,445 km (0.082 R)
• M5: 3,724,987 km (0.084 R)
• M6: 4,835,602 km (0.083 R)
• M7: 7,463,438 km (0.111 R)
• M8: 8,708,391 km (0.072 R)
• M9: 9,663,274 km (0.069 R)
• M10: 10,246,706 km (0.059 R)
• M11: 11,425,388 km (0.087 R)
• M12: 12,443,401 km (0.074 R)
• M13: 15,004,367 km (0.082 R)
• M14: 20,186,138 km (0.106 R)
• M15: 25,338,738 km (0.08 R)
• M16: 29,953,234 km (0.041 R)
• M17: 30,961,523 km (0.043 R)
• M18: 33,282,534 km (0.106 R)
• M19: 44,588,094 km (0.081 R)
• M20: 52,370,175 km (0.106 R)
• M21: 55,989,247 km (0.1 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: 470 - 13,876 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit