🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.7

Radius: 12.1

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.58 AU - 0.86 AU

Year: 388 Days

Day: 11.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,492,868 km

• M1: 150,495 km (0.062 R)
• M2: 610,808 km (0.106 R)
• M3: 1,008,589 km (0.062 R)
• M4: 1,587,533 km (0.085 R)
• M5: 2,107,086 km (0.106 R)
• M6: 2,584,004 km (0.08 R)
• M7: 3,332,442 km (0.091 R)
• M8: 4,382,918 km (0.051 R)
• M9: 5,152,001 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.3

Radius: 14.8

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.81 AU - 1.23 AU

Year: 655 Days

Day: 9.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,492,868 km

• M1: 184,005 km (0.12 R)
• M2: 662,270 km (0.06 R)
• M3: 1,215,632 km (0.057 R)
• M4: 1,681,929 km (0.065 R)
• M5: 2,225,717 km (0.109 R)
• M6: 2,930,921 km (0.099 R)
• M7: 3,756,103 km (0.063 R)
• M8: 4,345,669 km (0.104 R)
• M9: 5,871,118 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.9

Radius: 11.1

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.54 AU - 2.32 AU

Year: 1705 Days

Day: 5.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,492,868 km

• M1: 138,228 km (0.114 R)
• M2: 771,027 km (0.108 R)
• M3: 1,579,454 km (0.111 R)
• M4: 1,978,731 km (0.095 R)
• M5: 2,470,908 km (0.061 R)
• M6: 3,073,339 km (0.105 R)
• M7: 3,703,744 km (0.06 R)
• M8: 5,265,695 km (0.096 R)
• M9: 6,051,533 km (0.091 R)
• M10: 6,811,191 km (0.084 R)
• M11: 7,334,484 km (0.108 R)
• M12: 8,054,499 km (0.1 R)
• M13: 8,580,186 km (0.076 R)
• M14: 8,943,110 km (0.113 R)
• M15: 10,810,241 km (0.045 R)
• M16: 11,378,115 km (0.052 R)
• M17: 12,381,318 km (0.101 R)
• M18: 12,767,430 km (0.103 R)
• M19: 13,121,977 km (0.026 R)
• M20: 13,604,730 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.3

Radius: 14.4

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.67 AU - 2.25 AU

Year: 1745 Days

Day: 13.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,492,868 km

• M1: 180,265 km (0.11 R)
• M2: 636,539 km (0.053 R)
• M3: 1,597,256 km (0.098 R)
• M4: 3,285,319 km (0.112 R)
• M5: 3,803,825 km (0.091 R)
• M6: 4,338,488 km (0.068 R)
• M7: 5,312,370 km (0.048 R)
• M8: 6,867,440 km (0.053 R)
• M9: 9,087,771 km (0.091 R)
• M10: 11,828,255 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.8

Radius: 14.5

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.5 AU - 3.58 AU

Year: 3370 Days

Day: 9.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,492,868 km

• M1: 180,415 km (0.114 R)
• M2: 788,231 km (0.096 R)
• M3: 1,256,473 km (0.032 R)
• M4: 1,780,215 km (0.096 R)
• M5: 2,232,000 km (0.08 R)
• M6: 2,839,667 km (0.113 R)
• M7: 3,538,438 km (0.096 R)
• M8: 3,999,349 km (0.074 R)
• M9: 4,522,194 km (0.105 R)
• M10: 5,282,750 km (0.088 R)
• M11: 5,862,292 km (0.073 R)
• M12: 7,209,720 km (0.102 R)
• M13: 7,796,891 km (0.097 R)
• M14: 9,280,304 km (0.116 R)
• M15: 10,127,177 km (0.068 R)
• M16: 11,349,542 km (0.071 R)
• M17: 13,757,319 km (0.107 R)
• M18: 14,517,576 km (0.075 R)
• M19: 15,006,910 km (0.107 R)
• M20: 16,226,283 km (0.12 R)
• M21: 17,565,782 km (0.037 R)
• M22: 19,327,596 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.1

Radius: 8.1

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.81 AU - 5.69 AU

Year: 6582 Days

Day: 6.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 23,492,868 km

• M1: 100,679 km (0.115 R)
• M2: 389,702 km (0.087 R)
• M3: 668,403 km (0.03 R)
• M4: 1,017,864 km (0.046 R)
• M5: 1,710,203 km (0.118 R)
• M6: 2,191,609 km (0.074 R)
• M7: 2,818,873 km (0.111 R)
• M8: 3,402,454 km (0.103 R)
• M9: 3,746,978 km (0.111 R)
• M10: 4,089,407 km (0.091 R)
• M11: 4,372,895 km (0.027 R)
• M12: 5,037,708 km (0.069 R)
• M13: 6,326,644 km (0.117 R)
• M14: 6,993,102 km (0.098 R)
• M15: 7,287,361 km (0.117 R)
• M16: 8,342,325 km (0.072 R)
• M17: 9,406,864 km (0.11 R)
• M18: 9,720,421 km (0.101 R)
• M19: 10,227,408 km (0.073 R)
• M20: 10,703,578 km (0.067 R)
• M21: 12,326,865 km (0.095 R)
• M22: 12,594,645 km (0.119 R)
• M23: 13,590,817 km (0.054 R)
• M24: 14,166,320 km (0.056 R)
• M25: 18,104,035 km (0.092 R)
• M26: 19,879,463 km (0.028 R)
• M27: 22,396,746 km (0.099 R)
• M28: 26,782,357 km (0.08 R)
• M29: 28,054,238 km (0.108 R)
• M30: 30,133,349 km (0.036 R)
• M31: 33,028,218 km (0.093 R)
• M32: 35,776,630 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 644.8

Radius: 7.5

Gravity: 11.46 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.51 AU - 6.73 AU

Year: 10830 Days

Day: 23.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 23,492,868 km

• M1: 93,349 km (0.097 R)
• M2: 391,348 km (0.108 R)
• M3: 687,103 km (0.093 R)
• M4: 1,132,905 km (0.105 R)
• M5: 1,375,702 km (0.072 R)
• M6: 1,728,753 km (0.114 R)
• M7: 2,849,540 km (0.06 R)
• M8: 3,329,600 km (0.079 R)
• M9: 4,163,458 km (0.115 R)
• M10: 4,629,306 km (0.11 R)
• M11: 5,596,008 km (0.105 R)
• M12: 7,966,236 km (0.08 R)
• M13: 8,730,532 km (0.069 R)
• M14: 11,427,632 km (0.026 R)
• M15: 11,764,227 km (0.078 R)
• M16: 14,503,813 km (0.099 R)
• M17: 15,709,721 km (0.112 R)
• M18: 16,692,729 km (0.097 R)
• M19: 18,549,238 km (0.086 R)
• M20: 19,250,104 km (0.102 R)
• M21: 19,567,102 km (0.079 R)
• M22: 20,787,223 km (0.069 R)
• M23: 28,880,467 km (0.079 R)
• M24: 32,318,526 km (0.103 R)
• M25: 33,332,650 km (0.087 R)
• M26: 34,483,955 km (0.101 R)
• M27: 34,834,463 km (0.056 R)
• M28: 36,987,774 km (0.065 R)
• M29: 38,346,422 km (0.06 R)
• M30: 39,482,618 km (0.046 R)
• M31: 40,123,495 km (0.073 R)
• M32: 42,756,268 km (0.045 R)
• M33: 43,567,986 km (0.092 R)
• M34: 47,926,371 km (0.108 R)
• M35: 49,096,525 km (0.037 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.9

Radius: 3.7

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 7.75 AU - 9.01 AU

Year: 15424 Days

Day: 23.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,492,868 km

• M1: 46,375 km (0.045 R)
• M2: 302,487 km (0.062 R)
• M3: 477,367 km (0.078 R)
• M4: 731,085 km (0.103 R)
• M5: 1,322,445 km (0.079 R)
• M6: 1,685,818 km (0.118 R)
• M7: 2,168,421 km (0.095 R)
• M8: 3,137,965 km (0.094 R)
• M9: 3,323,915 km (0.07 R)
• M10: 4,185,748 km (0.047 R)
• M11: 5,264,050 km (0.055 R)
• M12: 6,106,435 km (0.114 R)
• M13: 7,815,741 km (0.04 R)
• M14: 9,204,757 km (0.078 R)
• M15: 9,741,065 km (0.109 R)
• M16: 10,298,018 km (0.116 R)
• M17: 11,344,755 km (0.108 R)
• M18: 12,832,505 km (0.05 R)
• M19: 13,307,778 km (0.076 R)
• M20: 16,133,532 km (0.067 R)
• M21: 18,244,358 km (0.111 R)
• M22: 22,727,657 km (0.051 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 19,563 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit