🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.3

Radius: 13.5

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.49 AU - 0.63 AU

Year: 279 Days

Day: 7 Hours

Environment

Temp: -154 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 38,829,425 km

• M1: 167,849 km (0.063 R)
• M2: 759,508 km (0.086 R)
• M3: 1,274,574 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.7

Radius: 12.9

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.52 AU - 0.82 AU

Year: 366 Days

Day: 10.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 38,829,425 km

• M1: 160,519 km (0.111 R)
• M2: 639,531 km (0.103 R)
• M3: 1,123,779 km (0.094 R)
• M4: 1,987,408 km (0.098 R)
• M5: 2,543,313 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.4

Radius: 12.6

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.19 AU - 1.53 AU

Year: 1058 Days

Day: 11.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,829,425 km

• M1: 156,779 km (0.105 R)
• M2: 674,836 km (0.106 R)
• M3: 1,285,345 km (0.038 R)
• M4: 1,880,595 km (0.105 R)
• M5: 2,294,831 km (0.073 R)
• M6: 2,943,637 km (0.025 R)
• M7: 3,341,867 km (0.119 R)
• M8: 3,957,312 km (0.03 R)
• M9: 4,426,900 km (0.066 R)
• M10: 5,171,000 km (0.09 R)
• M11: 5,712,245 km (0.116 R)
• M12: 6,154,157 km (0.114 R)
• M13: 6,714,551 km (0.064 R)
• M14: 7,938,112 km (0.071 R)
• M15: 9,155,838 km (0.025 R)
• M16: 10,756,984 km (0.054 R)
• M17: 11,364,501 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.4

Radius: 8.8

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.37 AU - 1.81 AU

Year: 1337 Days

Day: 6.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,829,425 km

• M1: 109,506 km (0.107 R)
• M2: 427,252 km (0.113 R)
• M3: 793,766 km (0.074 R)
• M4: 1,235,080 km (0.1 R)
• M5: 1,632,861 km (0.099 R)
• M6: 2,390,125 km (0.115 R)
• M7: 2,676,904 km (0.09 R)
• M8: 3,234,755 km (0.089 R)
• M9: 3,602,317 km (0.066 R)
• M10: 4,421,814 km (0.098 R)
• M11: 5,604,385 km (0.083 R)
• M12: 5,919,588 km (0.083 R)
• M13: 7,703,692 km (0.082 R)
• M14: 8,858,588 km (0.091 R)
• M15: 10,248,501 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.6

Radius: 13.5

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.81 AU - 3.01 AU

Year: 2495 Days

Day: 6.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,829,425 km

• M1: 168,597 km (0.117 R)
• M2: 666,159 km (0.068 R)
• M3: 1,173,894 km (0.059 R)
• M4: 2,120,699 km (0.046 R)
• M5: 2,940,645 km (0.119 R)
• M6: 3,510,912 km (0.04 R)
• M7: 3,944,148 km (0.072 R)
• M8: 4,413,287 km (0.051 R)
• M9: 5,899,990 km (0.115 R)
• M10: 6,358,358 km (0.114 R)
• M11: 8,061,530 km (0.118 R)
• M12: 10,158,892 km (0.117 R)
• M13: 10,745,017 km (0.04 R)
• M14: 11,666,540 km (0.094 R)
• M15: 12,227,980 km (0.11 R)
• M16: 13,710,944 km (0.079 R)
• M17: 14,795,080 km (0.057 R)
• M18: 16,328,608 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960

Radius: 9.2

Gravity: 11.34 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.94 AU - 4.1 AU

Year: 4404 Days

Day: 11.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,829,425 km

• M1: 114,442 km (0.117 R)
• M2: 808,128 km (0.053 R)
• M3: 1,557,763 km (0.118 R)
• M4: 2,035,429 km (0.044 R)
• M5: 2,539,873 km (0.107 R)
• M6: 3,224,732 km (0.098 R)
• M7: 3,687,438 km (0.062 R)
• M8: 4,985,648 km (0.091 R)
• M9: 7,558,732 km (0.044 R)
• M10: 8,185,995 km (0.109 R)
• M11: 9,798,511 km (0.071 R)
• M12: 11,093,131 km (0.033 R)
• M13: 13,322,438 km (0.103 R)
• M14: 15,893,876 km (0.048 R)
• M15: 16,799,392 km (0.112 R)
• M16: 18,646,926 km (0.118 R)
• M17: 19,517,585 km (0.049 R)
• M18: 21,557,203 km (0.113 R)
• M19: 23,580,364 km (0.092 R)
• M20: 26,637,546 km (0.114 R)
• M21: 28,087,000 km (0.117 R)
• M22: 28,698,856 km (0.08 R)
• M23: 30,956,886 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90

Radius: 5.3

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 7.34 AU - 12.04 AU

Year: 20115 Days

Day: 24.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,829,425 km

• M1: 65,973 km (0.099 R)
• M2: 284,535 km (0.076 R)
• M3: 473,028 km (0.064 R)
• M4: 686,205 km (0.065 R)
• M5: 1,372,112 km (0.11 R)
• M6: 1,950,906 km (0.107 R)
• M7: 3,126,446 km (0.049 R)
• M8: 3,367,897 km (0.11 R)
• M9: 3,717,357 km (0.091 R)
• M10: 4,433,782 km (0.115 R)
• M11: 6,001,717 km (0.093 R)
• M12: 6,585,747 km (0.113 R)
• M13: 8,190,184 km (0.119 R)
• M14: 12,689,639 km (0.086 R)
• M15: 13,078,893 km (0.107 R)
• M16: 14,354,215 km (0.11 R)
• M17: 23,787,707 km (0.078 R)
• M18: 25,067,367 km (0.096 R)
• M19: 26,843,992 km (0.105 R)
• M20: 27,393,016 km (0.11 R)
• M21: 30,250,634 km (0.1 R)
• M22: 30,646,021 km (0.074 R)
• M23: 31,145,080 km (0.118 R)
• M24: 36,773,700 km (0.077 R)
• M25: 38,829,474 km (0.086 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: 164 - 16,288 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit