🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.7

Radius: 13.5

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.14 AU - 1.5 AU

Year: 1011 Days

Day: 11.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,658,311 km

• M1: 167,849 km (0.112 R)
• M2: 674,537 km (0.099 R)
• M3: 1,140,235 km (0.085 R)
• M4: 1,610,870 km (0.087 R)
• M5: 2,031,689 km (0.105 R)
• M6: 3,553,249 km (0.084 R)
• M7: 4,147,751 km (0.059 R)
• M8: 5,004,647 km (0.039 R)
• M9: 5,431,749 km (0.065 R)
• M10: 5,976,435 km (0.073 R)
• M11: 6,718,740 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636

Radius: 9.4

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.83 AU - 1.99 AU

Year: 1760 Days

Day: 7.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 79.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,658,311 km

• M1: 116,836 km (0.082 R)
• M2: 410,048 km (0.082 R)
• M3: 715,227 km (0.063 R)
• M4: 1,035,516 km (0.099 R)
• M5: 1,516,773 km (0.05 R)
• M6: 1,993,392 km (0.112 R)
• M7: 3,311,498 km (0.117 R)
• M8: 6,437,496 km (0.084 R)
• M9: 6,872,975 km (0.074 R)
• M10: 9,547,037 km (0.071 R)
• M11: 10,182,229 km (0.055 R)
• M12: 10,988,562 km (0.063 R)
• M13: 12,218,855 km (0.035 R)
• M14: 13,663,222 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.9

Radius: 13.4

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.94 AU - 4.18 AU

Year: 4479 Days

Day: 14.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,658,311 km

• M1: 167,101 km (0.119 R)
• M2: 619,335 km (0.111 R)
• M3: 1,132,456 km (0.108 R)
• M4: 2,012,989 km (0.08 R)
• M5: 2,861,209 km (0.083 R)
• M6: 3,387,793 km (0.107 R)
• M7: 3,809,211 km (0.098 R)
• M8: 4,982,058 km (0.062 R)
• M9: 5,721,670 km (0.079 R)
• M10: 7,062,964 km (0.087 R)
• M11: 8,350,852 km (0.075 R)
• M12: 8,937,725 km (0.113 R)
• M13: 9,710,099 km (0.112 R)
• M14: 10,526,604 km (0.053 R)
• M15: 11,344,156 km (0.116 R)
• M16: 12,296,496 km (0.109 R)
• M17: 12,720,756 km (0.047 R)
• M18: 13,400,080 km (0.12 R)
• M19: 15,859,169 km (0.085 R)
• M20: 16,418,815 km (0.1 R)
• M21: 19,736,597 km (0.036 R)
• M22: 22,274,525 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789

Radius: 6.5

Gravity: 18.67 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5 AU - 7.2 AU

Year: 10047 Days

Day: 23.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,658,311 km

• M1: 80,783 km (0.094 R)
• M2: 465,549 km (0.108 R)
• M3: 685,158 km (0.082 R)
• M4: 905,516 km (0.097 R)
• M5: 1,245,701 km (0.056 R)
• M6: 1,989,652 km (0.095 R)
• M7: 2,842,060 km (0.031 R)
• M8: 4,137,728 km (0.103 R)
• M9: 4,635,888 km (0.118 R)
• M10: 4,852,207 km (0.087 R)
• M11: 5,680,830 km (0.098 R)
• M12: 6,295,826 km (0.098 R)
• M13: 8,137,376 km (0.096 R)
• M14: 11,785,919 km (0.071 R)
• M15: 12,723,449 km (0.065 R)
• M16: 13,026,384 km (0.039 R)
• M17: 15,625,797 km (0.108 R)
• M18: 16,973,674 km (0.089 R)
• M19: 17,414,987 km (0.093 R)
• M20: 18,167,465 km (0.104 R)
• M21: 20,061,523 km (0.096 R)
• M22: 20,554,897 km (0.116 R)
• M23: 21,823,487 km (0.082 R)
• M24: 22,170,554 km (0.08 R)
• M25: 28,439,602 km (0.087 R)
• M26: 29,693,681 km (0.093 R)
• M27: 33,561,235 km (0.093 R)
• M28: 34,490,088 km (0.04 R)
• M29: 40,166,280 km (0.116 R)
• M30: 48,171,113 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.9

Radius: 3.5

Gravity: 65.05 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.5 AU - 7.72 AU

Year: 12643 Days

Day: 22.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,658,311 km

• M1: 53,257 km (0.118 R)
• M2: 322,832 km (0.068 R)
• M3: 558,449 km (0.089 R)
• M4: 1,054,964 km (0.065 R)
• M5: 1,406,968 km (0.06 R)
• M6: 1,955,543 km (0.108 R)
• M7: 2,814,534 km (0.087 R)
• M8: 3,149,484 km (0.114 R)
• M9: 3,510,464 km (0.088 R)
• M10: 4,469,835 km (0.105 R)
• M11: 4,759,157 km (0.032 R)
• M12: 5,095,004 km (0.085 R)
• M13: 6,080,854 km (0.119 R)
• M14: 6,598,014 km (0.084 R)
• M15: 7,015,392 km (0.106 R)
• M16: 8,088,607 km (0.106 R)
• M17: 8,664,110 km (0.114 R)
• M18: 10,004,058 km (0.071 R)
• M19: 10,442,679 km (0.096 R)
• M20: 10,666,627 km (0.042 R)
• M21: 14,841,306 km (0.092 R)
• M22: 15,195,853 km (0.112 R)
• M23: 16,670,738 km (0.111 R)
• M24: 18,238,224 km (0.11 R)
• M25: 19,308,298 km (0.118 R)
• M26: 24,594,488 km (0.055 R)
• M27: 25,291,166 km (0.105 R)
• M28: 26,515,923 km (0.088 R)
• M29: 28,753,309 km (0.11 R)
• M30: 31,927,926 km (0.07 R)
• M31: 37,637,328 km (0.038 R)
• M32: 40,593,233 km (0.088 R)
• M33: 44,868,291 km (0.078 R)
• M34: 51,182,368 km (0.114 R)
• M35: 53,467,027 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.8

Radius: 3.4

Gravity: 42.11 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 7.33 AU - 10.77 AU

Year: 18155 Days

Day: 24.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,658,311 km

• M1: 42,336 km (0.08 R)
• M2: 172,636 km (0.118 R)
• M3: 514,018 km (0.046 R)
• M4: 1,308,383 km (0.056 R)
• M5: 4,237,060 km (0.093 R)
• M6: 7,899,216 km (0.076 R)
• M7: 8,530,819 km (0.114 R)
• M8: 10,742,324 km (0.113 R)
• M9: 15,350,986 km (0.095 R)
• M10: 18,666,224 km (0.11 R)
• M11: 19,781,626 km (0.114 R)
• M12: 23,295,530 km (0.119 R)
• M13: 24,184,740 km (0.074 R)
• M14: 29,312,057 km (0.12 R)
• M15: 29,654,487 km (0.08 R)
• M16: 33,975,771 km (0.1 R)
• M17: 36,812,894 km (0.05 R)
• M18: 47,981,423 km (0.1 R)
• M19: 54,241,346 km (0.082 R)
• M20: 58,102,915 km (0.109 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 10,638 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit